docker-compose.yaml

services:

  postgres:
    image: postgres:17
    # Inject into the container the database credentials and configuration variables defined in the .env file
    #  (database names , database user, host and port mappings)
    #  as environment variables.
    # This is required for the docker init script in ./docker/init/.
    env_file:
      - .env
    networks:
      - net
    volumes:
      # Init scripts: run once on first container start (empty data dir).
      - ./docker/init:/docker-entrypoint-initdb.d
      # Named volume: preserves data across container stop/start cycles.
      - pg_data:/var/lib/postgresql/data
    ports:
      # See src/main/resources/.env.example for details
      - "${POSTGRES_HOST}:${POSTGRES_PORT}:5432"

  mongo:
    image: mongo:8.0
    restart: unless-stopped
    ports:
      - "${MONGO_HOST}:${MONGO_PORT}:27017"
    environment:
      MONGO_INITDB_ROOT_USERNAME: ${MONGO_ROOT_USERNAME}
      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_ROOT_PASSWORD}
      MONGO_INITDB_DATABASE:      ${LEARNDEV_MONGO_DB_NAME}
    volumes:
      - mongo_data:/data/db
      - ./docker/mongo/init:/docker-entrypoint-initdb.d:ro
    networks:
      - net
    healthcheck:
      test: ["CMD", "mongosh", "--quiet", "--eval", "db.adminCommand('ping').ok"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 20s

networks:
  net:
    # A bridge network connects your services together
    # on an isolated Virtual LAN managed by Docker.
    driver: bridge

# Named volumes used to preserve data across container stop/start cycles.
volumes:
  pg_data:
  mongo_data: