docker-compose Postgres

docker-compose.yml

version: '3.6'

services:
  postgres:
    image: postgres:12.2-alpine
    restart: always
    command: postgres -c 'max_connections=1000'
    environment:
      POSTGRES_PASSWORD: jbr@jbr
    volumes:
      - /data/postgres-12:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    networks:
      - infra-postgres
networks:
  infra-postgres:
    external: true