docker-compose.yml

x-shared_environment: &shared_environment
  LOG_LEVEL: ${LOG_LEVEL:-debug}
  DATABASE_HOST: ${DATABASE_HOST}
  DATABASE_NAME: ${DATABASE_NAME}
  DATABASE_USERNAME: ${DATABASE_USERNAME}
  DATABASE_PASSWORD: ${DATABASE_PASSWORD}
  
services:
  app:
    image: exploring-vapor:latest
    build:
      context: .
    environment:
      <<: *shared_environment
    env_file:
      - ./.env
    depends_on:
      db:
        condition: service_healthy
    ports:
      - '8080:8080'
    # user: '0' # uncomment to run as root for testing purposes even though Dockerfile defines 'vapor' user.
    command: ["serve", "--env", "production", "--hostname", "0.0.0.0", "--port", "8080"]
  db:
    image: postgres:16-alpine
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
      interval: 5s
      timeout: 10s
      retries: 10
    # volumes:
    #   - db_data:/var/lib/postgresql/data/pgdata
    environment:
      # PGDATA: /var/lib/postgresql/data/pgdata
      POSTGRES_USER: ${DATABASE_USERNAME}
      POSTGRES_PASSWORD: ${DATABASE_PASSWORD}
      POSTGRES_DB: ${DATABASE_NAME}
    ports:
      - '5432:5432'
    env_file:
      - ./.env