docker-compose.yml

secrets:
  postgres_db:
  # The database's name.
    file: ./docker/secrets/postgres/db.secret
  postgres_password:
  # The database's password.
    file: ./docker/secrets/postgres/password.secret
  postgres_user:
  # The database's default user.
    file: ./docker/secrets/postgres/user.secret
services:
  postgres:
  # This runs the database that everything else connects to
    environment:
      POSTGRES_DB_FILE: /run/secrets/postgres_db
      POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
      POSTGRES_USER_FILE: /run/secrets/postgres_user
    image: postgres:13.1-alpine@sha256:16af09e480c49226f8e7cd4d602ab27e59f434eb255d2b45bd0cfe1defb86fd7
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    secrets:
    - postgres_db
    - postgres_password
    - postgres_user
version: "3.7"
volumes:
  postgres_data:
  # The database's data.
    {}