project: widget
environments:
  prod:
    applications:
      core-api:
        source: { repo: acme/widget, branch: main }
        build: { pack: nixpacks, base_directory: /apps/core }
        port: 3000
        healthcheck: /health
        domains: ["https://api.example.com"]
        env_template: core-api.prod.env.template
    databases:
      postgres:
        type: postgresql
        version: "17"
        backup: { frequency: "0 3 * * *", retention: 7 }
      redis:
        type: redis
    services:
      metabase:
        type: metabase
        domains: ["https://metabase.example.com"]
  staging:
    applications:
      core-api:
        source: { repo: acme/widget, branch: main }
        build: { pack: nixpacks, base_directory: /apps/core }
        port: 3000
        healthcheck: /health
        domains: ["http://api.staging.example.com"]
        env_template: core-api.staging.env.template