Metabase with Postgres

docker-compose.yml

version: '3.6'
services:
  metabase:
    image: metabase/metabase:latest
    container_name: metabase
    #restart: always
    deploy:
      resources:
        limits:
          memory: 4G
    ports:
        - "3002:3000"
    volumes:
        - ./metabase-data:/metabase-data
    environment:
        #- MB_DB_FILE=/metabase-data/metabase.db
        - JAVA_TOOL_OPTIONS=-Xmx4g

        - MB_DB_TYPE=postgres
        - MB_DB_DBNAME=metabase
        - MB_DB_PORT=5432
        - MB_DB_USER=metabase
        - MB_DB_PASS=hellopgmetabase
        - MB_DB_HOST=postgresdb

  postgresdb:
    image: postgres:12.3
    container_name: postgresdb
    volumes:
        - ./postgresdata:/var/lib/postgresql/data
    environment:
        - POSTGRES_USER=metabase
        - POSTGRES_PASSWORD=hellopgmetabase
        - POSTGRES_DB=metabase