docker-compose.yaml

version: '3' 
services: 
  distro: 
    image: alpine 
    container_name: Alpine_Distro 
    restart: always 
    entrypoint: tail -f /dev/null 

  database: 
    image: postgres:latest 
    container_name: postgres_db 
    volumes: 
      - dbdata:/var/lib/postgresql 
    ports: 
      - "5432:5432" 

  web:
    image: nginx:latest
    container_name: nginx
    ports:
      - "8080:80"
    environment:
      - NGINX_HOST=example.com
      - NGINX_port=80
volumes:
    dbdata: {}