docker-compose.yml

version: '3.8'

services:
  postgres-db:
    image: postgres:16 # Using a specific version is good practice
    container_name: postgres-db
    environment:
      POSTGRES_DB: matchenginedb
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
    ports:
      - "5432:5432" # Map host port to container port for local access if needed
    volumes:
      - ./db-data:/var/lib/postgresql/data # Persist data on the host machine
      - ./init-scripts:/docker-entrypoint-initdb.d # Mount initialization scripts
    networks:
      - app-network

  match-engine-app:
    build: . # Build the image from the Dockerfile in the current directory
    container_name: match-engine-app
    ports:
      - "8080:8080"
    depends_on:
      - postgres-db # Ensure the database is ready before the app starts
    environment:
      # The app will connect to the DB using the service name 'postgres-db'
      - SPRING_DATASOURCE_URL=jdbc:postgresql://postgres-db:5432/matchenginedb
    networks:
      - app-network

networks:
  app-network:
    driver: bridge

volumes:
  db-data: # Explicitly define the volume for clarity