마이크로서비스 프로그래밍

1. docker-compose.yml 파일을 다음과 같이 작성합니다.

version: '3'

services:

  db_server:

    image: happiness0110/db_server:9.9

    environment:

      - MYSQL_DATABASE=osp

      - MYSQL_PASSWORD=test

    ports:

      - 3306:3306

    deploy:

      replicas: 1

      placement:

        constraints: [node.role != manager]

  render_server:

    image: happiness0110/render_server:9.9

    entrypoint: /osp/render_server/wait-for-it.sh db_server:3306 -t 500 -- bash -c "cd /osp/render_server&&npm run render_server"

    ports:

      - 5000:5000

    deploy:

      replicas: 2

      placement:

        constraints: [node.role != manager]

  user_server:

    image: happiness0110/user_server:9.9

    entrypoint: /osp/user_server/wait-for-it.sh db_server:3306 -t 500 -- bash -c "cd /osp/user_server&&npm run user_server"

    ports:

      - 8080:8080

    deploy:

      replicas: 1

      placement:

        constraints: [node.role != manager]