post/docker-compose.yml

services:
  post-project-api-master:
    image: openjdk:8
    container_name: post-master
    command: tail -f /dev/null
    ports:
      - 8180:8080
    volumes:
      - ./:/var/app.jar
    networks:
      - local_public
networks:
  local_public:
    external: true