version: "3"

services:
  mongo1:
    hostname: mongo1
    container_name: mongo1
    image: public.ecr.aws/docker/library/mongo:${MONGO_TAG}
    environment:
      MONGO_INITDB_DATABASE: mqtt
    networks:
      - emqx_bridge
    expose:
      - 27017
    ports:
      - 27011:27017
    restart: always
    command:
      --ipv6
      --bind_ip_all
      --replSet rs0

  mongo2:
    hostname: mongo2
    container_name: mongo2
    image: public.ecr.aws/docker/library/mongo:${MONGO_TAG}
    environment:
      MONGO_INITDB_DATABASE: mqtt
    networks:
      - emqx_bridge
    expose:
      - 27017
    ports:
      - 27012:27017
    restart: always
    command:
      --ipv6
      --bind_ip_all
      --replSet rs0

  mongo3:
    hostname: mongo3
    container_name: mongo3
    image: public.ecr.aws/docker/library/mongo:${MONGO_TAG}
    environment:
      MONGO_INITDB_DATABASE: mqtt
    networks:
      - emqx_bridge
    expose:
      - 27017
    ports:
      - 27013:27017
    restart: always
    command:
      --ipv6
      --bind_ip_all
      --replSet rs0

  mongo_rs_client:
    image: public.ecr.aws/docker/library/mongo:${MONGO_TAG}
    container_name: mongo_rs_client
    networks:
      - emqx_bridge
    depends_on:
      - mongo1
      - mongo2
      - mongo3
    command:
      - /bin/bash
      - -c
      - |
        while ! mongo --host mongo1 --eval 'db.runCommand("ping").ok' --quiet > /dev/null 2>&1; do
            sleep 1
        done
        while ! mongo --host mongo2 --eval 'db.runCommand("ping").ok' --quiet > /dev/null 2>&1; do
            sleep 1
        done
        while ! mongo --host mongo3 --eval 'db.runCommand("ping").ok' --quiet > /dev/null 2>&1; do
            sleep 1
        done
        mongo --host mongo1 --eval "rs.initiate( { _id : 'rs0', members: [ { _id : 0, host : 'mongo1:27017' }, { _id : 1, host : 'mongo2:27017' }, { _id : 2, host : 'mongo3:27017' } ] })" --quiet
        mongo --host mongo1 --eval "rs.status()" --quiet