docker-compose.yml.solution

#
# Docker Workshop
# Chat App
# Docker Compose
#

services:
  mongodb:
    # since no build context is specified, this service will download the image directly
    # from the Docker Hub registry
    image: mongodb/mongodb-community-server:8.0.9-ubi9
    # configure the mongoDB container's root user credentials
    # environment variables from .env are referenced here
    environment:
      MONGO_INITDB_ROOT_USERNAME: ${MONGO_USERNAME}
      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_PASSWORD}
    volumes:
      # mount a named volume to persist the database data
      - mongodb:/data/db

  backend:
    # tag the backend image with this tag when built
    image: ghcr.io/mrzzy/chat-backend:latest
    # configure the backend service to connect to the mongodb service
    environment:
      MONGO_URL: mongodb://${MONGO_USERNAME}:${MONGO_PASSWORD}@mongodb:27017?authSource=admin
    # build the 'backend/' directory
    build: backend
    # expose the backend on port 3001
    ports:
      - "3001:3001"
    # restart the backend service unless it is stopped manually
    # this is needed as the backend might start before mongodb is ready and crash initially
    restart: unless-stopped

  frontend:
    # tag the frontend image with this tag when built
    image: ghcr.io/mrzzy/chat-frontend:latest
    # build the 'frontend/' directory
    build: 
      context: frontend
      dockerfile: Dockerfile
      args:
        # set the backend URL for the frontend to connect to
        NEXT_PUBLIC_BACKEND_URL: http://localhost:3001
    # expose the frontend on port 3000
    ports:
      - "3000:3000"

volumes:
  # create a named volume for the mongodb data
  mongodb: