Postgres dockerized: enable query logging

Change your docker-compose.yml adding the command below

version: '3'

services:
  postgresql:
    image: /postgres:latest
    container_name: postgresql
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: secret
    restart: always
    command: ["postgres", "-c", "log_statement=all", "-c", "log_destination=stderr"]

stop and restart, then run docker-compose logs -f postgresl to see also logs printed out to the stderr