Deploy Open Source Java Backend with Hybrid approach

@kuldeepvk

Hi, I have 10 years of experience and knowledge as system administrator setup and management of different Linux Web Hosting Servers, AWS servers,Cloud Servers, GPU Servers, Server Monitoring, Server Security, Server Optimisation, Mailing Servers, Email Marketing, SSL, DNS, Apache, Nginx, etc with Cpanel, Plesk, Virtualmin or other panels. Services such as cPanel/WHM, Plesk, Virtualmin LAMP Stack, Tomcat, MySQL/MariaDB, Zimbra, Postfix mail server, Mailenable, smarter mail, MS SQL,AWS , etc. Please discuss to start. Thank you

@AZTURK1

Hi there, I understand you need the official open-source Java backend deployed with a production-grade environment supporting continuous delivery. I’m confident I can build a robust, automated stack matching your hybrid database and real-time communication needs. - Deploy and cluster Cassandra, PostgreSQL, and Redis on 3 VPS nodes for distributed reliability - Containerize Spring Boot Java app with Docker, automate builds using Maven/Gradle - Integrate RabbitMQ for messaging and WebSockets for real-time bidirectional communication - Set up CI/CD pipeline using GitHub Actions/GitLab CI covering build, tests, static analysis, and seamless promo to production - Configure APM monitoring with Prometheus, Grafana, ELK stack or cloud-native dashboards - Provide comprehensive documentation for all deployment and CI/CD steps **Skills:** ✅ Spring Boot Java 21/25 with RabbitMQ integration ✅ Docker containerization with Maven/Gradle build automation ✅ Cassandra, PostgreSQL, Redis setup and clustering ✅ CI/CD pipelines with GitHub Actions or GitLab CI ✅ APM and monitoring with Prometheus, Grafana, ELK, OpenTelemetry **Certificates:** ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m ready to start right away and ensure a secure, scalable setup with zero downtime deployment. Delivery confirmed after scope review (max 7 days). Do you have preferences between GitHub Actions or GitLab CI for your CI/CD pipeline? Best regards,

@jinufeb14

With an exceptional ranking of #6713 on Freelancer, I am constantly learning and adapting to stay in the top 1%. My background complements this project perfectly: I specialize in creating efficient and reliable solutions using the latest tools and platforms. The skills you specifically mentioned- Hybrid database, containerization with Docker, using Cassandra and PostgreSQL as primary databases, Redis for presence/session management, WebSockets for bidirectional communication and more - they resonate well with the work I have done in my career thus far. Being thorough and meticulous is a key part of my working method. Rest assured, your project will be handled with utmost care; every step - from the setup, routing to continuous delivery - will be clearly documented for smooth replication and extension by your team. While deploying your java backend with a hybrid approach may sound challenging to some, my past experiences are proof enough that I can handle complex deployments like yours with ease. Lastly, not only do I promise 100% satisfaction but also a public endpoint behind HTTPS for easy access, automatic build test and deploy triggered by merges to main branch, logs and metrics exposed through APM or cloud-native dashboards - all surely making your work life smoother. Combine this with my commitment to delivering projects on time every time and you can adhere to relax and concentrate on what you do the best!

@gattes

Hi there, I have over 10 years work experience with linux and java apps as DevOps/SRE and I think I can definitely help you out. Ping me! Cheers

@nabeelqamar06

Hi, Your backend stack is solid what you need is a production-grade, automated delivery layer around it. That’s exactly where I specialize. I will design a containerized Spring Boot (Java 21/25) deployment with Docker + Maven/Gradle, backed by Cassandra (chat history), PostgreSQL (metadata), Redis (sessions/presence), and RabbitMQ for messaging. WebSockets will be configured properly for real-time communication behind a secure reverse proxy. For observability, I will integrate Prometheus + Grafana for metrics, OpenTelemetry instrumentation, and structured logging compatible with ELK. The goal is full visibility across API, messaging, DB, and WebSocket layers. CI/CD will be built using GitHub Actions or GitLab CI: • Build + unit tests • Static code analysis • Docker image build + registry push • Automated deployment to staging • Controlled promotion to production • HTTPS endpoint with proper TLS Everything will be fully documented: environment variables, infra layout, deployment commands, and extension guidance so future contributors can replicate it without guesswork. As a DevOps & Cloud engineer, I focus on automation, reliability, and clean handover documentation not just “getting it running.” Ready to turn your stable codebase into a continuously deliverable, production-ready platform. Best Regards, Muhammad Nabeel Qamar

@ahmadpiran

** HUMAN PROPOSAL - NO BOT TEXT *** Hello, I can architect and deploy your Java Spring Boot backend immediately. Since you are running a complex hybrid data model with Cassandra for chat history, PostgreSQL for metadata, and Redis for sessions, the biggest challenge is orchestrating these stateful services securely alongside RabbitMQ without exhausting server resources. I will containerize the entire stack using Docker and deploy it behind a reverse proxy to automatically handle your HTTPS public endpoint. For your continuous integration, I will configure GitHub Actions to automatically build via Maven or Gradle, run your unit tests, and push the image to your staging or production environment on every main branch merge. I will also deploy Prometheus and Grafana to give you full APM visibility over your WebSockets and application metrics. Finally, I will write crystal clear documentation so future contributors can reproduce the exact setup. Since this is a straightforward deployment for me, I offer a strict guarantee. If I cannot deliver a perfectly working pipeline and secure public endpoint, I will not charge you a single cent. Best, Ahmad

@Web1devloper

As an experienced full stack developer, I'm confident I can meet and exceed your expectations for this project. I've got a substantial background in DevOps, Docker, PostgreSQL, and WebRTC - all essential skills you outlined for a successful deployment of your open-source Java backend. Additionally, I have hands-on proficiency with the exact tools and technologies you want to employ which includes; Maven/Gradle, Spring Boot Java, Cassandra, PostgreSQL and Redis just to name a few. In my previous roles, I have designed and implemented various hybrid database clusters and containerized applications with Docker for streamlined not to mention highly secure deployments just as your project mandates. Moreover, I have in-depth knowledge and experience setting up CI/CD pipelines using leading services like GitHub Actions and GitLab CI. What sets me apart is not just my technical expertise but my ability to grasp the objectives quickly and deliver reliable efficient results. I pride myself on being thorough so that each step is meticulously documented for seamless replication or extension by future contributors. I'm confident with my strong communication skills paired with our aligned remote work ethos we can deliver optimum value to your project at every stage.

@ashinnd84

Hi there, we can do this project as per given requirement, if you have any project documents. Please share to start the work. Thanks Ashish Kumar.

@technologiesit

As a member of a 20+ professional developer team at Prajapati Technologies, we have the expertise to meet and exceed your project needs. Over the past 5+ years as a Certified WordPress Developer, I've successfully executed projects that span numerous key web development areas, including DevOps and Java API integrations. My proficiency in these skills aligns perfectly with the requirements for deploying your open-source Java backend, configuring a hybrid database approach with distributed clusters, and containerizing your application- all tasks that have been outlined for your project. Further, our strong affinity for documentation ensures that every step of the set up will be clearly recorded enabling future contributors to replicate or extend the setup without any guesswork. Rest assured that my team will deliver a top performance product that is not just functional, but also easily maintainable. Finally, I assure you that Prajapati Technologies' commitment to quality work and our impeccable reputation render us a perfect fit for this project. Let's create an amazing Open Source Java Backend together!

@burzhuy

Having worked as a Java developer for the past two decades, I have accrued a wealth of experience in working with similar technologies like the Spring Boot Java, Maven, Gradle, Redis, and RabbitMQ. These are all crucial components that your project requires, and my proficiency with them will allow me to get your official open-source Java backend deployed and ready for continuous delivery in no time. In addition to my technical skills, I bring a versatility that your project can benefit from. From setting up a hybrid database approach distributed cluster to containerizing the application with Docker and automating builds via Maven or Gradle; I am versed with each step required for this project. Furthermore, I value transparency and knowledge sharing: something guaranteed by documenting each step which aids future developers to replicate or extend the setup without guesswork. Finally, given the broad depth of my experience and continuous learning approach, I consider myself quite adaptable. This skill will come in handy when troubles arise or when you decide to extend the scope of this project.

@tnowsolutions

I can deploy your Spring Boot (Java 21/25) backend into a production-ready, containerized 3-VPS cluster using Docker, Cassandra, PostgreSQL, Redis, and RabbitMQ with secure HTTPS exposure. I’ll implement full CI/CD (GitHub Actions or GitLab CI) with automated build, test, static analysis, and push-to-prod on merge, plus monitoring via Prometheus, Grafana, ELK, and OpenTelemetry. You’ll receive complete infrastructure documentation, reproducible setup scripts, and a transparent, fully open-source DevOps pipeline ready for continuous delivery.

@nicolasalexandro

Hey — saw your post about deploying the open-source Java backend with a real CI/CD setup and observability. The biggest risk I see is wiring all the moving parts (Docker, clustered DBs, WebSockets, RabbitMQ, APM, CI/CD) so they’re production-grade but still easy for other contributors to understand and extend. Quick question before I suggest an approach: Are you already tied to a specific CI/CD stack (GitHub Actions vs GitLab CI) and APM combo, or are you flexible as long as everything is fully open source and documented? I’ve set up Spring Boot (Java 21), Dockerized services, RabbitMQ, Cassandra/Postgres/Redis clusters, plus Prometheus + Grafana and ELK integrated into GitHub Actions pipelines with merge-to-main auto deploy. If you can share the repo link and any current infra (VPS provider, domain/SSL details, existing YAMLs if any), I’ll take a look and outline how I’d structure the environments and pipeline for you.

@cybexsoftadmin

Hello, I can set up your Java backend in a clean, production-ready environment with full automation. I have 15+ years of experience building scalable backend systems with containers, distributed databases, real-time services, and CI/CD pipelines. I’ve deployed similar stacks using Spring Boot, Docker, Cassandra, PostgreSQL, Redis, RabbitMQ, and WebSockets, along with monitoring using Prometheus, Grafana, and ELK. I focus on making everything reliable, easy to deploy, and simple for teams to maintain. For your project, I will: • Containerize the backend and automate builds with Maven/Gradle • Set up Cassandra cluster and PostgreSQL cleanly • Configure Redis sessions and RabbitMQ messaging • Enable real-time WebSocket communication • Implement CI/CD with automated testing and deployments • Add monitoring, logs, and performance visibility • Document everything step by step End result will be a secure HTTPS environment where every merge automatically builds and deploys. A couple quick questions: Are the 3 VPS servers already provisioned or should I help design them? Do you prefer GitHub Actions or GitLab CI for pipelines? Happy to start and build this properly from day one. Best regards, Rahul

@souravsasmal14

I can deploy your open-source Spring Boot (Java 21/25) backend with a production-ready hybrid architecture and full CI/CD automation. **Architecture plan:** • 3 VPS distributed cluster (Dockerized services) • Cassandra (chat history) + PostgreSQL (user metadata) • Redis (presence/session) • RabbitMQ for async processing • WebSockets for real-time communication • Nginx reverse proxy with HTTPS (Let’s Encrypt) **DevOps setup:** • Docker + Maven/Gradle multi-stage builds • GitHub Actions/GitLab CI pipeline (build, test, static analysis, staged deploy) • Push-to-main → automatic deployment • Environment-based configs (staging/production) **Observability:** • Prometheus + Grafana for metrics • ELK or OpenTelemetry for logs/tracing • Health checks and uptime monitoring Deliverables: • Public HTTPS endpoint live • Automated CI/CD pipeline • Monitoring dashboard access • Clear step-by-step documentation for replication Experienced with Spring Boot microservices, Cassandra/Postgres hybrid setups, and production Docker clusters. Ready to start immediately.

@DigitalNightOwl8

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Redis, System Admin, Docker, Elixir, WebRTC, PostgreSQL, Java, Cassandra, Spring Boot and DevOps. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Hope to hear from you soon

@Ashoksahu001

I have been actively engaging with technologies prime to your needs. My proficiency spans across Java, PostgreSQL, and Spring Boot - the key components required for deploying, configuring, and maintaining your Open Source Java backend. Containerizing your application using Docker and configuring automated builds with Maven or Gradle? Consider it done. Implementing a hybrid database approach with distributed clusters? Can be effortlessly handled. Deploying primary databases like Cassandra (NoSQL) and secondary databases like PostgreSQL? Absolutely in my wheelhouse. Moreover, I am passionate about documenting each step transparently for future contributors—an aspect you specifically mentioned in your description. I understand the importance of not leaving any guesswork while working on open-source projects. I will keep your stack transparent and fully open source whilst saving you valuable time & resources.

@bhartimalu

Hello, I can deploy your open-source Java backend built with Spring Boot to a production-ready environment — including setting up the server (Linux/AWS/DigitalOcean), configuring the database, ensuring secure HTTPS, and making your APIs live. I’ll also help with environment setup, build automation (Maven/Gradle), and deployment scripts so future updates are smooth and predictable. Spring Boot is perfect for scalable, standalone services with embedded server support. Ready to start and deliver a stable, live deployment quickly. Regards, Bharti

@developerr0001

I’ve carefully reviewed your requirements and the architecture you outlined. This is a deployment, infrastructure, and CI/CD problem—not a greenfield build, and that’s exactly the type of work I specialize in. I can take your stable, open-source Java backend and deliver a production-ready, repeatable deployment pipeline with minimal manual touchpoints. How I’ll Implement Your Flow 1. Containerization & Build Dockerize the Spring Boot application (Java 21/25) Multi-stage Docker builds for smaller images Maven or Gradle automated builds Environment-driven configuration (no hard-coded secrets) 2. Hybrid Distributed Data Layer Cassandra cluster for chat history (NoSQL, write-optimized) PostgreSQL for user metadata & relational data Redis for presence/session management Clear schema initialization & migration strategy Network-isolated services via Docker Compose / Kubernetes 3. Messaging & Real-Time RabbitMQ configured for async workflows WebSocket support for bidirectional real-time communication Proper connection scaling and timeout handling 4. CI/CD Pipeline GitHub Actions / GitLab CI (your choice) Pipeline stages: Build & dependency resolution Unit tests Static analysis (SpotBugs / Checkstyle / Sonar-compatible) Docker image build & tagging Automated deploy to staging Push-button promotion to production Triggered automatically on merge to main

@ksoni47

Hello, I am a full-stack developer with strong backend architecture and DevOps experience, and I can deploy your official open-source Spring Boot (Java 21/25) backend into a fully production-ready, automated, and scalable environment exactly as outlined in your requirements. The application will be deployed behind HTTPS using Nginx with Let’s Encrypt SSL or a cloud-native load balancer. Logging and observability will be implemented using Prometheus and Grafana (or a cloud monitoring dashboard), exposing health checks, metrics, and structured logs for production visibility. My previous projects demonstrate my capability to handle complete system lifecycles. I built Recipe Express, a fully functional full-stack recipe platform with clean architecture, optimized performance, and structured frontend-backend separation. I also developed Brahmastra – AI Powered Trading Signals App, where I handled backend services, Android production builds, real-time features, and deployment workflows. These projects required managing scalable systems, clean codebases, and production releases—skills directly aligned with your current requirements. I can deliver this project within 10-15 days, ensuring the backend is accessible via a secure public HTTPS endpoint, fully automated for build and deployment, and documented clearly for long-term maintainability. Looking forward to working with you and setting up a robust, open-source, production-grade infrastructure for your project.