app:
  name: my-app
  port: 8080
  environment: staging

database:
  host: staging-db.example.com
  port: 5432
  name: staging_db
  user: ${DB_USER}
  password: ${DB_PASSWORD}

api:
  base_url: https://staging-api.example.com
  timeout: 8000
  retries: 3

logging:
  level: warn
  format: json
  output: console

monitoring:
  enabled: true
  metrics:
    port: 9090
    path: /metrics