docker-compose.yml

services:
  psql:
    image: postgis/postgis:14-master
    deploy:
      resources:
        limits:
          cpus: ".25"
          memory: 4096M
    restart: always
    ports:
      - 5432:5432
    volumes:
      - pgdata:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
  mysql-db:
    image: mysql:8.0.28-debian
    deploy:
      resources:
        limits:
          cpus: ".25"
          memory: 4096M
    restart: always
    environment:
      MYSQL_DATABASE: ${MYSQL_DB}
      MYSQL_USER: ${DB_USER}
      MYSQL_PASSWORD: ${DB_PASSWORD}
      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
    ports:
      - 3306:3306
    volumes:
      - mysqldata:/var/lib/mysql
  mongodb:
    image: mongo:5.0.6-focal
    deploy:
      resources:
        limits:
          cpus: ".25"
          memory: 4096M
    restart: always
    environment:
      MONGO_INITDB_ROOT_USERNAME: ${DB_USER}
      MONGO_INITDB_ROOT_PASSWORD: ${DB_PASSWORD}
      MONGO_INITDB_DATABASE: ${MONGO_DB}
      DB_USERNAME: ${DB_USER}
      DB_PASSWORD: ${DB_PASSWORD}
    ports:
      - 27017:27017
    volumes:
      - mongodata:/var/lib/mongodb/data
  adminer:
    image: adminer
    ports:
      - 8080:8080
volumes:
  pgdata:
  mysqldata:
  mongodata: