Setting up Elixir with Dockerized PostgreSQL

Questions & Help Questions
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For local development I like to use this compose file as a template, which works well with an out of the box phoenix project.

services:
  postgres:
    image: postgres:17
    container_name: postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    volumes:
      - type: volume
        source: data
        target: /var/lib/postgresql/data
    ports:
      - name: postgres
        target: 5432
        published: 5432

volumes:
  data: