# Adminer Database Management Tool Configuration
services:
  adminer:
    # Basic container configuration
    container_name: adminer
    image: docker.io/library/adminer:5.3.0
    restart: unless-stopped
    
    # Network port configuration
    ports:
      - ${PORT}:8080  # Maps host port to Adminer web interface
    
    # Network configuration
    networks:
      - backend  # Connects to backend network

# External network definition
networks:
  backend:
    external: true  # Uses pre-existing backend network