version: '3'
services:
   web1:
      build: ./back1
      ports:
      - "5001:5000"
   web2:
      build: ./back2
      ports:
      - "5002:5000"
   nginx:
      build: ./nginx
      ports:
      - "8080:80"
      depends_on:
      - web1
      - web2