Redes en docker-composer

Ejemplo de docker-compose.yml con dos servicios compartiendo una red.

docker-compose.yml

version: '3'
services:
  web:
    container_name: nginx2
    ports:
      - "8081:80"
    image: httpd
    networks:
      - net-test
  web2:
    container_name: nginx3
    ports:
      - "8082:80"
    image: httpd
    networks:
      - net-test
networks:
  net-test: