version: '2'
services:
  server_1:
    build: .
    environment:
      - SERVER_NAME=server_1

  server_2:
    build: .
    environment:
      - SERVER_NAME=server_2

  server_3:
    build: .
    environment:
      - SERVER_NAME=server_3

  caddy:
    image: abiosoft/caddy
    ports:
      - "80:80"
    volumes:
      - ./Caddyfile:/etc/Caddyfile
    depends_on:
      - server_1
      - server_2
      - server_3