docker-compose_async_repl.yml

version: '3.3'
services:
  app:
    build:
      context: .
      dockerfile: Dockerfile
    environment:
      DB_DATABASE: 'db'
      DB_USER: 'user'
      DB_PASSWORD: 'password'
      DB_ADDRESS: 'db:3306'
      DB_REPLICA_ADDRESSES: 'db_replica:3306'
    depends_on:
      - db
      - db_replica
    ports:
      - '8080:8080'
    expose:
      - '8080'
    networks:
      - backend
  db:
    image: mysql:8.0
    restart: always
    environment:
      MYSQL_DATABASE: 'db'
      MYSQL_USER: 'user'
      MYSQL_PASSWORD: 'password'
      MYSQL_ROOT_PASSWORD: 'password'
    ports:
      - '3306:3306'
    expose:
      - '3306'
    volumes:
      - my-db:/var/lib/mysql
      - ${PWD}/db/people.csv:/var/lib/mysql-files/people.csv
      - ${PWD}/db/async/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
    networks:
      - backend
  db_replica:
    image: mysql:8.0
    restart: always
    environment:
      MYSQL_DATABASE: 'db'
      MYSQL_USER: 'user'
      MYSQL_PASSWORD: 'password'
      MYSQL_ROOT_PASSWORD: 'password'
    depends_on:
      - db
    ports:
      - '3307:3306'
    expose:
      - '3307'
    volumes:
      - my-db-replica:/var/lib/mysql
      - ${PWD}/db/async/mysql_replica.cnf:/etc/mysql/conf.d/mysql.cnf
    networks:
      - backend
networks:
  backend:
volumes:
  my-db:
  my-db-replica: