# 04-gateway-api — two Deployments routed by Gateway API HTTPRoute, cross-namespace.

# Singleton HTTPRoute. Per-workload deployments.<n>.httpRoute.rules merge into this.
httpRoute:
  enabled: true
  parentRefs:
    - name: external
      namespace: gateway-system
      sectionName: https             # listener name on the Gateway
  hostnames:
    - "app.example.com"

# Allow gateway-system to reference Services in this release's namespace.
referenceGrant:
  enabled: true
  from:
    - group: gateway.networking.k8s.io
      kind: HTTPRoute
      namespace: gateway-system
  to:
    - group: ""
      kind: Service

deployments:

  api:
    enabled: true
    replicaCount: 2
    image:
      repository: ghcr.io/example/api
      tag: v1.4.2
    service:
      enabled: true
      ports:
        http:
          port: 80
          targetPort: 8080
    httpRoute:
      enabled: true
      priority: 10                   # routed first when paths overlap
      rules:
        - name: api-traffic          # optional; surfaced in Gateway API status and traces
          matches:
            - path:
                type: PathPrefix
                value: /api
          timeouts:
            request: 30s             # total round-trip budget (request + response)
            backendRequest: 10s      # backend processing budget (subset of request)
          retry:
            attempts: 3
            codes:
              - 503                  # upstream unavailable
              - 504                  # gateway timeout
            backoff: 1s
        # backendRefs default to this workload's Service + service.ports.http
    resources:
      requests:
        cpu: 100m
        memory: 128Mi
      limits:
        memory: 256Mi

  web:
    enabled: true
    replicaCount: 2
    image:
      repository: nginx
      tag: "1.27"
    service:
      enabled: true
      ports:
        http:
          port: 80
          targetPort: 80
    httpRoute:
      enabled: true
      priority: 20                   # catch-all rule, routed last
      rules:
        - matches:
            - path:
                type: PathPrefix
                value: /
    resources:
      requests:
        cpu: 50m
        memory: 64Mi
      limits:
        memory: 128Mi