docker-compose.yml

version: "3.8"

services:
  # default mysql database image
  # this: &mysql-defaults allows us multiples databases
  mysql-db-default: &mysql-defaults
    image: mysql:latest
    container_name: "mysql-db-default"
    environment:
      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
    volumes:
      - ./mysql:/var/lib/data

  # instance of mysql database of ms-order
  mysql-database-order:
    <<: *mysql-defaults
    environment:
      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
      - MYSQL_DATABASE=${MYSQL_ORDER_DATABASE}
      - MYSQL_USER=${MYSQL_ORDER_DB_USER}
      - MYSQL_PASSWORD=${MYSQL_ORDER_DB_PASSWORD}
    ports:
      - "3306:3306"
    restart: always
    container_name: "mysql-database-order"
    healthcheck:
      # ping the admin and marks the database container as healthy
      test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
      interval: 20s
      timeout: 5s
      retries: 3
    networks:
      - compose-bridge
    volumes:
      - ./mysql-order:/var/lib/data

  # instance of mysql database of ms-payments
  mysql-database-payments:
    <<: *mysql-defaults
    environment:
      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
      - MYSQL_DATABASE=${MYSQL_PAYMENTS_DATABASE}
      - MYSQL_USER=${MYSQL_PAYMENTS_DB_USER}
      - MYSQL_PASSWORD=${MYSQL_PAYMENTS_DB_PASSWORD}
    ports:
      - "3307:3306"
    restart: always
    container_name: "mysql-database-payments"
    healthcheck:
      # ping the admin and marks the database container as healthy
      test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
      interval: 20s
      timeout: 5s
      retries: 5
    networks:
      - compose-bridge
    volumes:
      - ./mysql-payments:/var/lib/data

  service-discovery:
    build:
      context: ./service-discovery
      dockerfile: ./Dockerfile
    ports:
      - "8761:8761"
    container_name: "service-discovery"
    volumes:
      - ./data/service-discovery:/data
    networks:
      - compose-bridge

  # obs: api-gateway in the beginning will fail because he will try to connect to Eureka Server, but it is OK
  # because he will retry one more time after service-discovery already up
  api-gateway:
    build:
      context: ./gateway
      dockerfile: ./Dockerfile
    ports:
      - "8082:8082"
    container_name: "api-gateway"

    environment:
      # IMPORTANT: To connect to Eureka server is necessary use container name (in this case service-discovery) instead
      # localhost
      - eureka.client.service-url.defaultZone=http://service-discovery:8761/eureka/
    networks:
      - compose-bridge

  ms-order:
    depends_on:
      mysql-database-order:
        condition: service_healthy
    build:
      context: ./ms-order
      dockerfile: ./Dockerfile
    environment:
      # this will override argument when create the image
      # In this case the url connection will be jdbc:mysql://mysql-database-order:3306/orders?createDatabaseIfNotExist=true

      - MYSQL_ORDER_DB_INSTANCE=${MYSQL_ORDER_DB_INSTANCE}
      - spring.datasource.username=${MYSQL_ORDER_DB_USER}
      - spring.datasource.password=${MYSQL_ORDER_DB_PASSWORD}
      # IMPORTANT: To connect to Eureka server is necessary use container name (in this case service-discovery) instead
      # localhost
      - eureka.client.service-url.defaultZone=http://service-discovery:8761/eureka/
    container_name: "ms-order"
    volumes:
      - ./data/ms-order:/data
    ports:
      - "0"
    networks:
      - compose-bridge

  ms-payments:
    depends_on:
      mysql-database-payments:
        condition: service_healthy
    build:
      context: ./ms-payments
      dockerfile: ./Dockerfile
    environment:
      # this will override argument when create the image
      # In this case the url connection will be jdbc:mysql://mysql-database-order:3306/orders?createDatabaseIfNotExist=true
      - MYSQL_PAYMENTS_DB_INSTANCE=${MYSQL_PAYMENTS_DB_INSTANCE}
      - spring.datasource.username=${MYSQL_PAYMENTS_DB_USER}
      - spring.datasource.password=${MYSQL_PAYMENTS_DB_PASSWORD}

      # IMPORTANT: To connect to Eureka server is necessary use container name (in this case service-discovery) instead
      # localhost
      - eureka.client.service-url.defaultZone=http://service-discovery:8761/eureka/
    container_name: "ms-payments"
    volumes:
      - ./data/ms-payments:/data
    ports:
      - "0"
    networks:
      - compose-bridge

networks:
  compose-bridge:
    driver: bridge