databases.yml

version: '3.8'
services:
  mysql:
    image: mysql:latest
    environment:
      - MYSQL_ALLOW_EMPTY_PASSWORD=true
    ports:
      - '3307:3306'
  postgres:
    image: postgres:latest
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust
    ports:
      - '5433:5432'
  mongos:
    image: mongo:latest
    ports:
      - '27018:27017'

#  mongo1:
#    image: mongo:latest
#    command: ["--replSet", "rs0", "--bind_ip_all", "--port", "27020"]
#    ports:
#      - 27020:27020
#    extra_hosts:
#      - "host.docker.internal:host-gateway"
#    healthcheck:
#      test: echo "try { rs.status() } catch (err) { rs.initiate({_id:'rs0',members:[{_id:0,host:'host.docker.internal:27020',priority:1}]}) }" | mongosh --port 27020 --quiet
#      #test: echo "try { rs.status() } catch (err) { rs.initiate({_id:'rs0',members:[{_id:0,host:'host.docker.internal:27020',priority:1},{_id:1,host:'host.docker.internal:27021',priority:0.5},{_id:2,host:'host.docker.internal:27022',priority:0.5}]}) }" | mongosh --port 27020 --quiet
#      interval: 5s
#      timeout: 30s
#      start_period: 0s
#      retries: 30
#    volumes:
#      - "mongo1_data:/data/db"
#      - "mongo1_config:/data/configdb"
#
#  mongo2:
#    image: mongo:latest
#    command: ["--replSet", "rs1", "--bind_ip_all", "--port", "27018"]
#    ports:
#      - 27021:27021
#    extra_hosts:
#      - "host.docker.internal:host-gateway"
#    volumes:
#      - "mongo2_data:/data/db"
#      - "mongo2_config:/data/configdb"
#
#  mongo3:
#    image: mongo:latest
#    command: ["--replSet", "rs1", "--bind_ip_all", "--port", "27019"]
#    ports:
#      - 27022:27022
#    extra_hosts:
#      - "host.docker.internal:host-gateway"
#    volumes:
#      - "mongo3_data:/data/db"
#      - "mongo3_config:/data/configdb"
#
#volumes:
#  mongo1_data:
#  mongo2_data:
#  mongo3_data:
#  mongo1_config:
#  mongo2_config:
#  mongo3_config: