docker-compose.yml

version: "3.9"

services:

  exprest:
    image: node:12-alpine
    command: sh -c "yarn install && node src/index.js"
    ports:
      - ${EXP_PORT}:${EXP_PORT}
    working_dir: /app
    volumes:
      - ./exp:/app
    environment:
      MYSQL_HOST: "${MYSQL_HOST}"
      MYSQL_USER: "${MYSQL_USER}"
      MYSQL_PASSWORD: "${MYSQL_PASS}"
      MYSQL_DB: "${MYSQL_DB}"
      EXP_PORT: ${EXP_PORT}
      TEST_ENV_VAR: "${TEST_VAR}"
    depends_on:
      - mysql
    networks:
      - back-net

  mysql:
    image: mysql:5.7
    volumes:
      - mysql-test-vol:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD: "${MYSQL_PASS}"
      MYSQL_DATABASE: "${MYSQL_DB}"
    networks:
      - back-net

  front-end:
    image: node:12-alpine
    command: sh -c "yarn install && yarn start"
    ports:
      - 80:3000
    working_dir: /app
    volumes:
      - ./po-front:/app
    environment:
      EXP_PORT: ${EXP_PORT}
    networks:
      - front-net
    depends_on:
      - exprest

networks:
  front-net:
    driver: bridge
  back-net:
    driver: bridge

volumes:
  mysql-test-vol:
    external: true