Future docker compose file postgre?

[killmasta93]

Hi I was wondering if its possible to add with postgre? i was looking at the redis container would it be recommend to add also add this part for the cache?

 redis:
    image: redis:6-alpine
    container_name: nextcloud_redis
    environment:
      - "TZ"
    restart: always
     mem_limit: 2048m
    mem_reservation: 512m