apiVersion: v1
kind: ConfigMap
metadata:
  name: envoy-gateway-config
  namespace: mpr
data:
  envoy.yaml: |
    static_resources:
      listeners:
        - name: http
          address:
            socket_address:
              address: 0.0.0.0
              port_value: 8080
          filter_chains:
            - filters:
                - name: envoy.filters.network.http_connection_manager
                  typed_config:
                    "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
                    stat_prefix: ingress
                    codec_type: AUTO
                    route_config:
                      name: local_routes
                      virtual_hosts:
                        - name: mpr
                          domains: ["k8s.mpr.local.ar", "*"]
                          routes:
                            # SSE — long timeout, no buffering
                            - match:
                                prefix: "/api/detect/stream/"
                              route:
                                cluster: fastapi
                                timeout: 3600s
                                idle_timeout: 3600s
                            # FastAPI — strip /api/ prefix
                            - match:
                                prefix: "/api/"
                              route:
                                cluster: fastapi
                                prefix_rewrite: "/"
                            # Detection UI
                            - match:
                                prefix: "/detection/"
                              route:
                                cluster: detection-ui
                            # Default
                            - match:
                                prefix: "/"
                              route:
                                cluster: detection-ui
                                prefix_rewrite: "/detection/"
                    http_filters:
                      - name: envoy.filters.http.router
                        typed_config:
                          "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
      clusters:
        - name: fastapi
          connect_timeout: 5s
          type: STRICT_DNS
          lb_policy: ROUND_ROBIN
          load_assignment:
            cluster_name: fastapi
            endpoints:
              - lb_endpoints:
                  - endpoint:
                      address:
                        socket_address:
                          address: fastapi
                          port_value: 8702
        - name: detection-ui
          connect_timeout: 5s
          type: STRICT_DNS
          lb_policy: ROUND_ROBIN
          load_assignment:
            cluster_name: detection-ui
            endpoints:
              - lb_endpoints:
                  - endpoint:
                      address:
                        socket_address:
                          address: detection-ui
                          port_value: 5175
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gateway
  namespace: mpr
spec:
  replicas: 1
  selector:
    matchLabels:
      app: gateway
  template:
    metadata:
      labels:
        app: gateway
    spec:
      containers:
        - name: envoy
          image: envoyproxy/envoy:v1.28-latest
          ports:
            - containerPort: 8080
          volumeMounts:
            - name: config
              mountPath: /etc/envoy
          resources:
            requests:
              memory: 64Mi
              cpu: 50m
            limits:
              memory: 256Mi
      volumes:
        - name: config
          configMap:
            name: envoy-gateway-config
---
apiVersion: v1
kind: Service
metadata:
  name: gateway
  namespace: mpr
spec:
  selector:
    app: gateway
  ports:
    - port: 80
      targetPort: 8080