Multi-Service Application

Setup a multi-service optimized docker implementation

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The goal of this project is to help you practice a more advanced docker setup involving multiple services, volumes, networks, custom base images, multi-stage builds, secrets and more. The project will simulate a real-world scenario with multiple interconnected services, each with its own build requirements and optimizations.

Requirements

Create a multi-service application using Docker that consists of the following components:

  • Web Application: A basic react-based frontend application.
  • API Service: A Node.js Express backend API.
  • Database: A MongoDB instance for storing application data.
  • Cache: A Redis cache for improving performance.
  • Reverse Proxy: An Nginx reverse proxy to handle incoming requests.

Implement the following Docker features and best practices:

  • Use Docker Compose to define and run the multi-container application.
  • Create custom base images for the web application and API service.
  • Implement multi-stage builds for the web application to optimize the final image size.
  • Set up a Docker network to allow communication between services.
  • Use Docker volumes for persistent data storage (database and cache).
  • Implement Docker secrets for sensitive information (e.g., database passwords).
  • Configure health checks for each service.
  • Optimize Dockerfiles for each service to reduce image sizes and improve build times.
  • Implement logging and log rotation for all services.

By completing this project, you’ll gain hands-on experience with advanced Docker concepts and best practices in a realistic, multi-service environment. This will prepare you for working with complex containerized applications in production scenarios.

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