services:
  postgres:
    image: postgres:16-alpine
    container_name: postgres
    restart: unless-stopped
    environment:
      - POSTGRES_DB=${POSTGRES_DB:-app}
      - POSTGRES_USER=${POSTGRES_USER:-app}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?database password required}
      - TZ=${TZ:-Europe/Berlin}
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-app}"]
      interval: 10s
      timeout: 5s
      retries: 5
    ports:
      - "${DB_PORT:-5432}:5432"
    volumes:
      - ${DATA_PATH:-/srv/postgres}:/var/lib/postgresql/data

  adminer:
    image: adminer:latest
    container_name: postgres-adminer
    restart: unless-stopped
    depends_on:
      - postgres
    environment:
      - ADMINER_DEFAULT_SERVER=postgres
    ports:
      - "${ADMINER_PORT:-8089}:8080"