version: '3.8'

services:
  postgres:
    image: docker.io/postgres:18-alpine
    container_name: nestri_postgres
    environment:
      POSTGRES_USER: postgres # Matches: user: 'postgres'
      POSTGRES_PASSWORD: postgres # Matches: password: 'postgres'
      POSTGRES_DB: nestri # Matches: database: 'nestri'
    ports:
      - '5432:5432' # Matches: port: 5432
    volumes:
      - nestri_data:/var/lib/postgresql

volumes:
  nestri_data: # Keeps your data safe when container restarts