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mobileapplicationdev · 4 months ago

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Essential Components of a Production Microservice Application

DevOps Automation Tools and modern practices have revolutionized how applications are designed, developed, and deployed. Microservice architecture is a preferred approach for enterprises, IT sectors, and manufacturing industries aiming to create scalable, maintainable, and resilient applications. This blog will explore the essential components of a production microservice application, ensuring it meets enterprise-grade standards.

1. API Gateway

An API Gateway acts as a single entry point for client requests. It handles routing, composition, and protocol translation, ensuring seamless communication between clients and microservices. Key features include:

Authentication and Authorization: Protect sensitive data by implementing OAuth2, OpenID Connect, or other security protocols.

Rate Limiting: Prevent overloading by throttling excessive requests.

Caching: Reduce response time by storing frequently accessed data.

Monitoring: Provide insights into traffic patterns and potential issues.

API Gateways like Kong, AWS API Gateway, or NGINX are widely used.

Mobile App Development Agency professionals often integrate API Gateways when developing scalable mobile solutions.

2. Service Registry and Discovery

Microservices need to discover each other dynamically, as their instances may scale up or down or move across servers. A service registry, like Consul, Eureka, or etcd, maintains a directory of all services and their locations. Benefits include:

Dynamic Service Discovery: Automatically update the service location.

Load Balancing: Distribute requests efficiently.

Resilience: Ensure high availability by managing service health checks.

3. Configuration Management

Centralized configuration management is vital for managing environment-specific settings, such as database credentials or API keys. Tools like Spring Cloud Config, Consul, or AWS Systems Manager Parameter Store provide features like:

Version Control: Track configuration changes.

Secure Storage: Encrypt sensitive data.

Dynamic Refresh: Update configurations without redeploying services.

4. Service Mesh

A service mesh abstracts the complexity of inter-service communication, providing advanced traffic management and security features. Popular service mesh solutions like Istio, Linkerd, or Kuma offer:

Traffic Management: Control traffic flow with features like retries, timeouts, and load balancing.

Observability: Monitor microservice interactions using distributed tracing and metrics.

Security: Encrypt communication using mTLS (Mutual TLS).

5. Containerization and Orchestration

Microservices are typically deployed in containers, which provide consistency and portability across environments. Container orchestration platforms like Kubernetes or Docker Swarm are essential for managing containerized applications. Key benefits include:

Scalability: Automatically scale services based on demand.

Self-Healing: Restart failed containers to maintain availability.

Resource Optimization: Efficiently utilize computing resources.

6. Monitoring and Observability

Ensuring the health of a production microservice application requires robust monitoring and observability. Enterprises use tools like Prometheus, Grafana, or Datadog to:

Track Metrics: Monitor CPU, memory, and other performance metrics.

Set Alerts: Notify teams of anomalies or failures.

Analyze Logs: Centralize logs for troubleshooting using ELK Stack (Elasticsearch, Logstash, Kibana) or Fluentd.

Distributed Tracing: Trace request flows across services using Jaeger or Zipkin.

Hire Android App Developers to ensure seamless integration of monitoring tools for mobile-specific services.

7. Security and Compliance

Securing a production microservice application is paramount. Enterprises should implement a multi-layered security approach, including:

Authentication and Authorization: Use protocols like OAuth2 and JWT for secure access.

Data Encryption: Encrypt data in transit (using TLS) and at rest.

Compliance Standards: Adhere to industry standards such as GDPR, HIPAA, or PCI-DSS.

Runtime Security: Employ tools like Falco or Aqua Security to detect runtime threats.

8. Continuous Integration and Continuous Deployment (CI/CD)

A robust CI/CD pipeline ensures rapid and reliable deployment of microservices. Using tools like Jenkins, GitLab CI/CD, or CircleCI enables:

Automated Testing: Run unit, integration, and end-to-end tests to catch bugs early.

Blue-Green Deployments: Minimize downtime by deploying new versions alongside old ones.

Canary Releases: Test new features on a small subset of users before full rollout.

Rollback Mechanisms: Quickly revert to a previous version in case of issues.

9. Database Management

Microservices often follow a database-per-service model to ensure loose coupling. Choosing the right database solution is critical. Considerations include:

Relational Databases: Use PostgreSQL or MySQL for structured data.

NoSQL Databases: Opt for MongoDB or Cassandra for unstructured data.

Event Sourcing: Leverage Kafka or RabbitMQ for managing event-driven architectures.

10. Resilience and Fault Tolerance

A production microservice application must handle failures gracefully to ensure seamless user experiences. Techniques include:

Circuit Breakers: Prevent cascading failures using tools like Hystrix or Resilience4j.

Retries and Timeouts: Ensure graceful recovery from temporary issues.

Bulkheads: Isolate failures to prevent them from impacting the entire system.

11. Event-Driven Architecture

Event-driven architecture improves responsiveness and scalability. Key components include:

Message Brokers: Use RabbitMQ, Kafka, or AWS SQS for asynchronous communication.

Event Streaming: Employ tools like Kafka Streams for real-time data processing.

Event Sourcing: Maintain a complete record of changes for auditing and debugging.

12. Testing and Quality Assurance

Testing in microservices is complex due to the distributed nature of the architecture. A comprehensive testing strategy should include:

Unit Tests: Verify individual service functionality.

Integration Tests: Validate inter-service communication.

Contract Testing: Ensure compatibility between service APIs.

Chaos Engineering: Test system resilience by simulating failures using tools like Gremlin or Chaos Monkey.

13. Cost Management

Optimizing costs in a microservice environment is crucial for enterprises. Considerations include:

Autoscaling: Scale services based on demand to avoid overprovisioning.

Resource Monitoring: Use tools like AWS Cost Explorer or Kubernetes Cost Management.

Right-Sizing: Adjust resources to match service needs.

Conclusion

Building a production-ready microservice application involves integrating numerous components, each playing a critical role in ensuring scalability, reliability, and maintainability. By adopting best practices and leveraging the right tools, enterprises, IT sectors, and manufacturing industries can achieve operational excellence and deliver high-quality services to their customers.

Understanding and implementing these essential components, such as DevOps Automation Tools and robust testing practices, will enable organizations to fully harness the potential of microservice architecture. Whether you are part of a Mobile App Development Agency or looking to Hire Android App Developers, staying ahead in today’s competitive digital landscape is essential.

#mobile app development #mobile app design bd #mobile app company #app development

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mtsuhail · 6 months ago

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Why Java Spring Boot is Ideal for Building Microservices

In modern software development, microservices have become the go-to architecture for creating scalable, flexible, and maintainable applications. Java full-stack development is one of the most popular frameworks used for building microservices, thanks to its simplicity, powerful features, and seamless integration with other technologies. In this blog, we will explore why Java Spring Boot is an ideal choice for building microservices.

What are Microservices?

Microservices architecture is a design pattern where an application is broken down into smaller, independent services that can be developed, deployed, and scaled individually. Each microservice typically focuses on a specific business functionality, and communicates with other services via APIs (often RESTful). Microservices offer several advantages over traditional monolithic applications, including improved scalability, flexibility, and maintainability.

Why Spring Boot for Microservices?

Spring Boot, a lightweight, open-source Java framework, simplifies the development of stand-alone, production-grade applications. It comes with several features that make it an excellent choice for building microservices. Here are some key reasons why:

1. Rapid Development with Minimal Configuration

Spring Boot is known for its "convention over configuration" approach, which makes it incredibly developer-friendly. It removes the need for complex XML configurations, allowing developers to focus on the business logic rather than boilerplate code. For microservices, this means you can quickly spin up new services with minimal setup, saving time and increasing productivity.

Spring Boot comes with embedded servers (like Tomcat, Jetty, and Undertow), so you don’t need to worry about setting up and managing separate application servers. This makes deployment and scaling easier in microservices environments.

2. Microservice-Friendly Components

Spring Boot is tightly integrated with the Spring Cloud ecosystem, which provides tools specifically designed for building microservices. Some of these key components include:

Spring Cloud Config: Centralizes configuration management for multiple services in a microservices architecture, allowing you to manage configuration properties in a version-controlled repository.

Spring Cloud Netflix: Includes several tools like Eureka (for service discovery), Hystrix (for fault tolerance), and Ribbon (for client-side load balancing), which are essential for building resilient and scalable microservices.

Spring Cloud Gateway: Provides a simple, effective way to route requests to different microservices, offering features like load balancing, security, and more.

Spring Cloud Stream: A framework for building event-driven microservices, making it easier to work with messaging middleware (e.g., RabbitMQ, Kafka).

These tools help you quickly build and manage your microservices in a distributed architecture.

3. Scalability and Flexibility

One of the main reasons organizations adopt microservices is the ability to scale individual components independently. Spring Boot’s lightweight nature makes it an ideal choice for microservices because it enables easy scaling both vertically (scaling up resources for a single service) and horizontally (scaling across multiple instances of a service).

With Spring Boot, you can run multiple instances of microservices in containers (e.g., Docker) and orchestrate them using platforms like Kubernetes. This makes it easier to handle high traffic, optimize resource usage, and maintain high availability.

4. Fault Tolerance and Resilience

In a microservices architecture, failures in one service can affect others. Spring Boot provides built-in mechanisms for handling fault tolerance and resilience, which are critical for maintaining the integrity and uptime of your application. With Spring Cloud Netflix Hystrix, you can implement circuit breakers that prevent cascading failures, providing a more robust and fault-tolerant system.

By using tools like Resilience4j, Spring Boot makes it easier to implement strategies like retries, timeouts, and fallbacks to ensure your services remain resilient even when some of them fail.

5. Easy Integration with Databases and Messaging Systems

Microservices often require interaction with various data stores and messaging systems. Spring Boot makes this integration straightforward by providing support for relational databases (like MySQL, PostgreSQL), NoSQL databases (like MongoDB, Cassandra), and message brokers (like RabbitMQ, Kafka).

With Spring Data, you can easily interact with databases using a simplified repository model, without having to write much boilerplate code. This enables microservices to manage their own data stores, promoting the independence of each service.

6. Security Features

Security is critical in microservices, as services often need to communicate with each other over the network. Spring Security provides a comprehensive security framework that integrates well with Spring Boot. With Spring Security, you can secure your microservices with features like:

Authentication and Authorization: Implementing OAuth2, JWT tokens, or traditional session-based authentication to ensure that only authorized users or services can access certain endpoints.

Secure Communication: Enabling HTTPS, encrypting data in transit, and ensuring that communications between services are secure.

Role-Based Access Control (RBAC): Ensuring that each microservice has the appropriate permissions to access certain resources.

These security features help ensure that your microservices are protected from unauthorized access and malicious attacks.

7. Monitoring and Logging

Monitoring and logging are essential for maintaining microservices in a production environment. With Spring Boot, you can easily implement tools like Spring Boot Actuator to expose useful operational information about your microservices, such as metrics, health checks, and system properties.

In addition, Spring Cloud Sleuth provides distributed tracing capabilities, allowing you to trace requests as they flow through multiple services. This helps you track and diagnose issues more efficiently in a microservices architecture.

Conclusion

Java full-stack development provides a solid foundation for building microservices, making it an excellent choice for developers looking to implement a modern, scalable, and resilient application architecture. The framework’s ease of use, integration with Spring Cloud components, scalability, and security features are just a few of the reasons why Spring Boot is an ideal platform for microservices.

As a Java full-stack development, understanding how to build microservices with Spring Boot will not only enhance your skill set but also open doors to working on more complex and modern systems. If you’re looking to develop scalable, flexible, and fault-tolerant applications, Java Spring Boot is the right tool for the job.

This concludes the blog on "Why Java full-stack development is Ideal for Building Microservices". Let me know if you'd like to continue to the next topic!

#java full stack #java #in Tirunelveli

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vatt-world · 7 months ago

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. how to implement expection handling using Spring boot/rest 2. how to configure/implement Spring cloud config server. 3. How to setup two way SSL using Java/Spring boot 4. difference between Bean factory vs Application context in spring application 5. what happens when u send a request to spring boot ? 6. How does Spring Marshall/unmarshall? 7. How to implement Transactions using Spring boot. 8. How to do load balancing using Spring boot both client side and server side. 9. How to add css/javascript/images to spring boot application UI 10. Any spring /spring boot performance issues you encountered. 11. how to implement spring boot security using OAuth 12. How to setup multiple datasources using spring boot

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oilablearnit · 1 year ago

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Mastering Java Scope in Emerging Technologies

Your Gateway to the Future Java, the ubiquitous programming language, has stood the test of time, remaining relevant and evolving alongside technological advancements. While its core principles stay strong, mastering Java scope in emerging technologies unlocks a new level of development prowess. This article delves into the exciting intersection of Java scope and cutting-edge fields, equipping you with the knowledge and skills to navigate the software landscape of tomorrow.

Understanding the Power of Scope

Java scope defines the accessibility and visibility of variables, methods, and classes within your code. Traditionally, mastering scope involved understanding local and global variables, access modifiers, and class hierarchies. However, emerging technologies introduce novel contexts where scope takes on new dimensions.

Cloud-Native Development:

The cloud has revolutionized software deployment, and Java thrives in this distributed environment. Microservices architectures, built with loosely coupled, independently deployable services, demand a nuanced understanding of scope. Each service has its own scope, but inter-service communication necessitates controlled data sharing. Frameworks like Spring Cloud Config Server enable centralized configuration management, while techniques like API gateways manage service boundaries. Mastering scope in this context involves balancing autonomy and collaboration, ensuring secure and efficient communication between microservices.

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Big Data and Analytics:

The ever-growing data deluge demands robust tools for processing and analysis. Java plays a crucial role in big data ecosystems, with frameworks like Hadoop and Spark leveraging its concurrency and scalability. When dealing with massive datasets, understanding scope becomes vital for optimizing performance and memory usage. Partitioning data into separate scopes based on processing needs or geographical distribution allows for efficient parallel processing and targeted analysis.

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Big Data and Analytics with Java

Artificial Intelligence and Machine Learning:

AI and ML are transforming various industries, and Java is making its mark in this domain as well. Libraries like TensorFlow and PyTorch utilize Java for building and deploying complex machine learning models. Scope plays a crucial role in managing training data, ensuring efficient access to relevant subsets while preventing unauthorized modifications. Additionally, understanding scope within AI algorithms helps developers control the visibility and influence of different variables on the model's output.

Artificial Intelligence and Machine Learning with Java

Internet of Things (IoT):

The interconnected world of the IoT presents unique challenges for Java developers. Embedded devices often have limited resources, necessitating careful memory management. Scoping techniques like local variable caching and resource pooling become crucial for optimizing code footprint and ensuring efficient operation. Additionally, secure communication protocols in the IoT ecosystem rely on controlled data access, where proper scope management plays a vital role in protecting sensitive information.

Internet of Things (IoT) with Java

Mastering the Art of Scope in Emerging Technologies:

As you delve into these frontiers, remember these key takeaways:

Think in terms of context: Understand the specific needs and constraints of each emerging technology when applying scope principles.

Leverage appropriate frameworks and libraries: Utilize tools designed for specific domains to manage scope effectively.

Prioritize security and data privacy: Implement proper access control mechanisms within your code to protect sensitive information.

Stay informed and adaptable: Emerging technologies evolve rapidly, so continuous learning and upskilling are essential.

By mastering Java scope in the context of these emerging technologies, you unlock a world of possibilities. You become a builder of the future, crafting innovative solutions that leverage the power of Java in groundbreaking ways. So, embrace the challenge, expand your horizons, and let Java scope be your gateway to a thriving future in software development.

Remember, the journey to mastering Java scope in emerging technologies is an ongoing process. Embrace the learning curve, experiment with different approaches, and actively seek out new challenges. The rewards are plentiful, not just in terms of career opportunities but also in the satisfaction of shaping the software landscape of tomorrow.

#python training in jodhpur #java Training In Jodhpur #Digital Marketing Training

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leam1983 · 3 years ago

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Steam Deck - Quick Impressions

This is a beast you can approach from several distinct angles.

As a PC, it's surprisingly capable, even if its obvious gaming-focused form factor sort of makes the concept of running productivity software on it a bit odd. I couldn't imagine setting up an email client on this for any reason whatsoever, for instance, not when I can check on tickets from my phone. As a Terminal purveyor, however, it works quite well. I trolled a few non-geek colleagues by saying I'd purchased an Ono-Sendai Cyberdeck. My boss got it and ran with it for the first week.

As a gaming platform, it exemplifies the flexibility and caveats of Linux as a backend. When games work, they work flawlessly. When they don't, they often try and get there, limping pathetically the whole way, and require a host of control-related and SOC-specific tweaks to reach a comfortable state. This is when some games clearly weren't designed with a handheld's screen in mind, wherein any attempts to shift the resolution or the aspect ratio only makes what's happening onscreen even more difficult to parse. Lookin' at'cha, Cult of the Lamb...

I'm glad Valve went with Arch for their core, but as stated in a few Reblogs with @daemonhxckergrrl, they've left their fork of the OS unsecured by default, likely out of the assumption that it wouldn't be extensively tweaked on. As you could expect, I blew out the Read-Only partition, managed to find a HoloISO fork that maintains FSD support in an experimental form, and consequently replaced my Deck's hamstrung distro with a full-fledged Linux OS that has the same exact look and feel, but with no structural weaknesses. Bye-bye, Exposed Root User, hello added security!

As an emulation backend, however, it's a fucking godsend. Emudeck packs all the usual suspects in one Konsole-specific command, all you're left to provide for yourself consists of the usual BIOSes, backends and ROM dumps. A little digging got me to run Super Mario Odyssey and The Legend of Zelda: Breath of the Wild through Yuzu, the end result being higher framerates and crisper textures than those produced by the Switch itself. It really shows you the kind of "power-versus-output" bargain Nintendo ran, and how much their own console's popularity rests on the quality of the offered experience. From a hardware-related perspective, they're several years behind the curve. Pack their quality releases with a juggernaut of a handheld PC, and you're left with experiences that feel more than just straight-cut reproductions of the originals involved, but more like rejuvenations. As you'd expect, anything that meets the Switch's software requirements and exceeds them runs circles around anything that was released prior to it.

Eighties and nineties' console releases are a cinch to handle - plop your ROMs in the right folder and off you pop - while those approaching the Dreamcast's library come with the usual security-related dependencies. Emudeck's included Steam ROM Manager scrapes the Web for all of the artwork needed for a smooth integration with Valve's own frontend and even assembles custom Collections in your Library tab. Want to play Dante's Inferno? Just head to the RPCS3 Collection, open it and start the game from Steam. The rest follows suit. Similarly, adding a "Non-Steam Game" allows you to hook Firefox or any other program into Steam, making it easy to pull up a game guide or a mod config file.

The one caveat is that any ROMs added also show up on your main platforms as "remote" titles. Right now, my formerly-tidy PC library has a big stonkin' Uncategorized tag containing over 700 titles - most of them SNES ROMs.

Whatever you do, just don't go online with your later-years ROM dumps. You'll be lucky to get a few rounds in Splatoon 3 before Nintendo's moderation servers kick in and boot you out.

It's a pricey toy, but it's highly recommended. Don't forget to spring for an SD card, too.

#steam deck #thoughts

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antoinesylvia · 5 years ago

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My Homelab/Office 2020 - DFW Quarantine Edition

Moved into our first home almost a year ago (October 2019), I picked out a room that had 2 closets for my media/game/office area. Since the room isn't massive, I decided to build a desk into closet #1 to save on space. Here 1 of 2 shelves was ripped off, the back area was repainted gray. A piece of card board was hung to represent my 49 inch monitor and this setup also gave an idea how high I needed the desk.

On my top shelf this was the initial drop for all my Cat6 cabling in the house, I did 5 more runs after this (WAN is dropped here as well).

I measured the closet and then went to Home Depot to grab a countertop. Based on the dimensions, it needed to be cut into an object shape you would see on Tetris.

Getting to work, cutting the countertop.

My father-in-law helped me cut it to size in the driveway and then we framed the closet, added in kitchen cabinets to the bottom (used for storage and to hide a UPS). We ran electrical sockets inside the closet. I bought and painted 2 kitchen cabinets which I use for storage under my desk as well.

The holes allowed me to run cables under my desk much easier, I learned many of these techniques on Battlestations subreddit and Setup Wars on Youtube. My daughter was a good helper when it came to finding studs.

Some of my cousins are networking engineers, they advised me to go with Unifi devices. Here I mounted my Unifi 16 port switch, my Unifi Security Gateway (I'll try out pfSense sometime down the line), and my HD Homerun (big antenna is in the attic). I have Cat6 drops in each room in the house, so everything runs here. On my USG, I have both a LAN #2 and a LAN #1 line running to the 2nd closet in this room (server room). This shot is before the cable management.

Cable management completed in closet #1. Added an access point and connected 3 old Raspberry Pi devices I had laying around (1 for PiHole - Adblocker, 1 for Unbound - Recursive DNS server, and 1 for Privoxy - Non Caching web proxy).

Rats nest of wires under my desk. I mounted an amplifier, optical DVD ROM drive, a USB hub that takes input from up to 4 computers (allows me to switch between servers in closet #2 with my USB mic, camera, keyboard, headset always functioning), and a small pull out drawer.

Cable management complete, night shot with with Nanoleaf wall lights. Unifi controller is mounted under the bookshelf, allows me to keep tabs on the network. I have a tablet on each side of the door frame (apps run on there that monitor my self hosted web services). I drilled a 3 inch hole on my desk to fit a grommet wireless phone charger. All my smart lights are either running on a schedule or turn on/off via an Alexa command. All of our smart devices across the house and outside, run on its on VLAN for segmentation purposes.

Quick shot with desk light off. I'm thinking in the future of doing a build that will mount to the wall (where "game over" is shown).

Wooting One keyboard with custom keycaps and Swiftpoint Z mouse, plus Stream Deck (I'm going to make a gaming comeback one day!).

Good wallpapers are hard to find with this resolution so pieced together my own.

Speakers and books at inside corner of desk.

Closet #2, first look (this is in the same room but off to the other side). Ran a few CAT6 cables from closet #1, into the attic and dropped here (one on LAN #1, the other on LAN #2 for USG). Had to add electrical sockets as well.

I have owned a ton of Thinkpads since my IBM days, I figured I could test hooking them all up and having them all specialize in different functions (yes, I have a Proxmox box but it's a decommissioned HP Microserver on the top shelf which is getting repurposed with TrueNAS_core). If you're wondering what OSes run on these laptops: Windows 10, Ubuntu, CentOS, AntiX. All of these units are hardwired into my managed Netgear 10gigabit switch (only my servers on the floor have 10 gigabit NICs useful to pass data between the two). Power strip is also mounted on the right side, next to another tablet used for monitoring. These laptop screens are usually turned off.

Computing inventory in image:

Lenovo Yoga Y500, Lenovo Thinkpad T420, Lenovo Thinkpad T430s, Lenovo Thinkpad Yoga 12, Lenovo Thinkpad Yoga 14, Lenovo Thinkpad W541 (used to self host my webservices), Lenovo S10-3T, and HP Microserver N54L

Left side of closet #2

**moved these Pis and unmanaged switch to outside part of closet**

Since I have a bunch of Raspberry Pi 3s, I decided recently to get started with Kubernetes clusters (my time is limited but hoping to have everything going by the holidays 2020) via Rancher, headless. The next image will show the rest of the Pis but in total:

9x Raspberry Pi 3 and 2x Raspberry Pi 4

2nd shot with cable management. The idea is to get K3s going, there's Blinkt installed on each Pi, lights will indicate how many pods per node. The Pis are hardwired into a switch which is on LAN #2 (USG). I might also try out Docker Swarm simultaneously on my x86/x64 laptops. Here's my compose generic template (have to re-do the configs at a later data) but gives you an idea of the type of web services I am looking to run: https://gist.github.com/antoinesylvia/3af241cbfa1179ed7806d2cc1c67bd31

20 percent of my web services today run on Docker, the other 80 percent are native installs on Linux and or Windows. Looking to get that up to 90 percent by the summer of 2021.

Basic flow to call web services:

User <--> my.domain (Cloudflare 1st level) <--> (NGINX on-prem, using Auth_Request module with 2FA to unlock backend services) <--> App <--> DB.

If you ever need ideas for what apps to self-host: https://github.com/awesome-selfhosted/awesome-selfhosted

Homelabs get hot, so I had the HVAC folks to come out and install an exhaust in the ceiling and dampers in the attic.

I built my servers in the garage this past winter/spring, a little each night when my daughter allowed me to. The SLI build is actually for Parsec (think of it as a self hosted Stadia but authentication servers are still controlled by a 3rd party), I had the GPUs for years and never really used them until now.

Completed image of my 2 recent builds and old build from 2011.

Retroplex (left machine) - Intel 6850 i7 (6 core, 12 thread), GTX 1080, and 96GB DDR4 RAM. Powers the gaming experience.

Metroplex (middle machine) - AMD Threadripper 1950x (16 core, 32 thread), p2000 GPU, 128GB DDR4 RAM.

HQ 2011 (right machine) - AMD Bulldozer 8150 (8 cores), generic GPU (just so it can boot), 32GB DDR3 RAM.

I've been working and labbing so much, I haven't even connected my projector or installed a TV since moving in here 11 months ago. I'm also looking to get some VR going, headset and sensors are connected to my gaming server in closet #2. Anyhow, you see all my PS4 and retro consoles I had growing up such as Atari 2600, NES, Sega Genesis/32X, PS1, Dreamcast, PS2, PS3 and Game Gear. The joysticks are for emulation projects, I use a Front End called AttractMode and script out my own themes (building out a digital history gaming museum).

My longest CAT6 drop, from closet #1 to the opposite side of the room. Had to get in a very tight space in my attic to make this happen, I'm 6'8" for context. This allows me to connect this cord to my Unifi Flex Mini, so I can hardware my consoles (PS4, PS5 soon)

Homelab area includes a space for my daughter. She loves pressing power buttons on my servers on the floor, so I had to install decoy buttons and move the real buttons to the backside.

Next project, a bartop with a Raspberry Pi (Retropie project) which will be housed in an iCade shell, swapping out all the buttons. Always have tech projects going on. Small steps each day with limited time.

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itsrajivsrivastava · 2 years ago

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Kubernetes alternatives to Spring Java framework

Spring Cloud and Kubernetes both complement each other to build a cloud-native platform and run microservices on the Kubernetes containers. Kubernetes provides many features which are similar to Spring Cloud and Spring Config Server features. Spring framework has been around for many years. Even today, many organizations prefer to go with Spring because it provides many advanced features with…

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#kubernetes #servicemesh #Spring #springcloud #springframework

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mobisoft · 2 years ago

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hellolucass21 · 2 years ago

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thinkitiveblog · 2 years ago

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Microservices Architecture with Spring Cloud

What are microservices?

Microservices is an architecture(service-oriented architecture) (SOA). In this architecture, applications are broken down into various services. The motivation behind this is separation and modularity.

Monolithic architecture and microservices are more beneficial.

We don’t need to specify all business logic into a single software module. It leads to complexity and time-consuming debugging.

In the above diagram, as we can see, we have only one unit of application in a monolithic architecture. In a microservices architecture, we can see three different services.

Advantages

Increases scalability

More flexibility

Modular architecture

Ease of introducing new features

More reliable and robust structure

Challenges

Cost management

Network latency and load balancing

Complexity at the end-to-end testing

Health Care Example

Let’s take an example

Spring Cloud

It helps us build microservices architecture with various components it provides. Spring cloud helps us manage communication, security threats, maintenance and fault tolerance with different components. Let’s see them one by one.

Spring Cloud Components

Spring Cloud Config Server

Feign Client

Service Discovery and Registry with Eureka

Spring Cloud Gateway

Resillience4j

Spring Cloud Bus

Spring Cloud -> Config Server

Config server uses the git repo to store configurations.

Ease of managing configuration of multiple microservices in a single place

Configurations can be managed with the application.yaml / properties files within a git repo

Each microservice can connect to the config server and get the required configurations

Spring Cloud -> Feign Client

Microservices need to communicate with each other to exchange information. Feign client can be used for that learn more

#microservices #cloud blogs #spring #Healthcare #healthcare software development company #Healthcare interoperability #healthcare solutions

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codeonedigest · 2 years ago

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Create Spring Cloud Configuration Server | Setup Eureka Service Discovery Registry Server

Full Video Link https://youtu.be/Exoy4ZNAO9Y Hello friends, new #video on #springcloud #configserver #eureka #servicediscovery setup is published on #codeonedigest #youtube channel. @java #java #aws #awscloud @awscloud @AWSCloudIndia #sal

In this video we will learn how to create spring cloud configuration server and eureka service registry server step by step in spring boot framework. Service registry will be use for service discovery. Configuration server is used to store application configuration in central storage. Application, microservices connect configuration server to fetch respective configuration from central…

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nahasunited · 3 years ago

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Java ver conexiones al router

#Java ver conexiones al router how to

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Sample Android app using clean android-modular-apps Skeleton: Silex framework php and webpack + es6 + sass architecture frontend ionic1todos

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buysgreys · 3 years ago

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Zipsplit windows

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Java: build OCI compatible image for Spring Boot web app using jib.Prometheus: sending a test alert through AlertManager.Prometheus: adding a Grafana dashboard using a ConfigMap.Prometheus: monitoring a custom Service using ServiceMonitor and PrometheusRule.Prometheus: monitoring services using additional scrape config for Prometheus Operator.Prometheus: installing kube-prometheus-stack on a kubeadm cluster.Kubernetes: independent nf for CoreDNS with kubeadm.Kubernetes: independent nf for CoreDNS with K3s.Kubernetes: custom upstream for domain with CoreDNS.Buildah: Installing buildah and podman on Ubuntu 20.04.Java: creating OCI-compatible image for Spring Boot web using buildah.Kubernetes: accessing the Kubernetes Dashboard with least privilege.KVM: configuring a base Window2019 instance with Sysprep.KVM: creating a Windows2019 Domain Controller using Powershell.KVM: Creating a Windows2019 ADFS server using Powershell.Gradle: fixing the gradle wrapper for a Java project.GoLang: Installing the Go Programming language on Ubuntu 20.04.Microsoft: configuring an Application Group for OAuth2/OIDC on ADFS 2019.Java: Spring Security OAuth2/OIDC protecting Client App and Resource Server.Gradle: interactive JDWP debugging of bootRun gradle task in Eclipse IDE.Python: Flask-OIDC protecting Client App and Resource Server using Windows 2019 ADFS.Kubernetes: Keycloak IAM deployed into Kubernetes cluster for OAuth2/OIDC.Kubernetes: copying files into and out of containers without ‘kubectl cp’.OAuth2: Configuring okta for OAuth2/OIDC.OAuth2: Configuring Google for OAuth2/OIDC.KVM: Creating a bridged network with NetPlan on Ubuntu 22.04.Linux: Mounting a loopback ext4/xfs filesystem to isolate or enforce storage limits.

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Linux: Excluding directories when using zip.

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Valid suffixes for size units are (b|k|m|g).

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# OR mend original archive, but do not extract content yetĬreate split archive on Linux, extract on WindowsĬonversely, if you want to create a split archive from Linux with 100k per file: 7z -v100k a fromlinux.7z įrom Window you would right-click on the “fromlinux.7z.001” file, and select “Extract here” to unzip the content. Then you can transfer this to a Linux host and use the following to extract it. I find that using 7zip provides easy interoperability across Linux and Windows.Ĭreating a split archive on Windows is detailed in posts like this (Note that it works using either 7zip or zip format). While there are many ways to do the same thing using utilities like zip, split, etc. Taking this a step further and splitting this archive into manageable chunks allows you to take advantage of parallel transfer. If you’d like to change the location where the files will be extracted, click “Browse,” and then navigate to the desired drive or folder.If you are transferring large files between systems, it can be advantageous to create a compressed archive using a tool like 7zip. In the “Extract Compressed (Zipped) Folders” window that appears, you’ll see the current file path as the default location for the unzipped files. Next, right-click the file and select “Extract All” in the menu.

#Zipsplit windows zip file#

First, locate the ZIP file that you’d like to extract in File Explorer.

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RELATED: Everything You Need to Know About Zip Files How to Extract a Zip File in Windows 11Įxtracting (unzipping) ZIP files in Windows 11 is just as easy as zipping them. Now that you have a ZIP file, you can copy it or share it like any other kind of file. When you’re ready, press Enter.Īnd that’s all there is to it! Pretty simple. Type a new file name or leave the default name in place. The ZIP file name will highlight, allowing you to type in whatever name you’d like. After a moment, your ZIP file will appear in the same folder as the source files that you just compressed.

#Zipsplit windows

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xceltecseo · 3 years ago

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Get to Know the Difference: Spring Vs Spring Boot

Since Spring supports a number of frameworks, including Struts, JSP, Hibernate, and others, we might compare it to the framework of frameworks. Spring is a lightweight application framework. Making standalone, professional Spring-based Applications is simple using Spring Boot. It is a microservice creation framework built on the Java platform. Word "spring boot" is composed of two words. Seasonal and Boot Combining the words spring and bootstrap means that the first portion of spring stands for the spring framework. Something that enables you to bootstrap a spring application from scratch is referred to as spring boot. The key distinction between spring and spring boot will be explained by XcelTec, a top provider of Java development services.

Difference between Spring Vs Springboot:

Where it’s used?:

A Java EE framework called Spring is used to create applications.

REST API development is the major use of the Spring Boot framework.

Key feature:

Dependency injection, a design method that removes dependencies from computer code to make the programme easier to maintain and test, is the core or most significant component of the Spring framework.

Autoconfiguration is the primary feature of Spring Boot. The process of automatically configuring a Spring application based on dependencies identified on the classpath is known as "Spring Boot autoconfiguration."

Through the elimination of the requirement to define some beans that are a part of the auto-configuration classes, auto-configuration can speed up and simplify development.

Why it’s used:

The purpose of Spring is to simplify Java EE (Enterprise Edition) development so that developers may work more efficiently. For quicker application development, Spring Boot adds the RAD (Rapid Application Development) functionality to the Spring framework.

Type of Application Development:

A loosely linked application can be created with the help of the spring framework.

A stand-alone application can be made with the aid of Spring Boot.

Servers’ dependency:

We must explicitly configure the servers in the Spring framework in order to test the Spring Project.

Tomcat and Jetty are just two of the built-in or embedded servers that Spring Boot offers.

In-memory database support:

The in-memory database is not supported by the spring framework.

H2 is one of the in-memory databases that Spring Boot supports.

Boilerplate code:

Even for simple tasks, the Spring framework requires too many lines of boilerplate code.

You don't use boilerplate code, which saves time and boosts output.

Dependencyes

To construct a web application, Spring Framework needs a number of dependencies.

On the other side, Spring Boot only requires one dependency to make an application functional. Additional dependencies that are needed during build time are added by default to the final archive.

HTTP Authentication

In order to enable security confirmations, HTTP Basic Authentication specifies that a number of requirements and configurations must be enabled. To configure security in an application, Spring needs both the spring-security-web and spring-security-config requirements. Next, we must include a class that uses the @EnableWebSecurity annotation that extends the Web Security Configure Adapter.

These dependencies are also necessary for Spring Boot to function, but we only need to specify the spring-boot-starter-security requirement since this will already have added all the necessary dependencies to the class path.

Testing

Due to the substantial amount of source code, testing Spring Boot is more challenging than testing Spring Boot.

Spring Boot testing is simpler because there is less source code to maintain.

XML Configuration

The Spring framework needs XML Configuration.

In Spring Boot, no XML configuration is required.

CLI Tools

There is no CLI tool offered by the Spring framework for creating and testing apps.

For creating and testing Spring Boot apps, Spring Boot offers a CLI tool.

Plugins

In contrast to Spring Boot, the Spring framework does not offer any plugins for Maven, Gradle, etc.

Maven and Gradle build tool plugins are offered by Spring Boot. The packaging of executable jars is one of the functionalities provided by the Plugins.

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onsitetechhub · 6 years ago

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