Create envoy.yaml

envoy.yaml

@@ -0,0 +1,52 @@
+static_resources:
+  listeners:
+  - name: listener_h2c_or_h1
+    address:
+      socket_address: { address: 0.0.0.0, port_value: 7860 }  # start.sh přepíše na $PORT
+    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: local_hcm
+          codec_type: AUTO                 # přijme HTTP/1.1 i h2c (curl, healthcheck i gRPC)
+          http2_protocol_options: {}
+          route_config:
+            name: local_route
+            virtual_hosts:
+            - name: backend
+              domains: ["*"]
+              routes:
+              # Zdraví (jednoduchý 200 OK, aby HF healthcheck nepadal)
+              - match: { prefix: "/healthz" }
+                direct_response:
+                  status: 200
+                  body: { inline_string: "ok\n" }
+              # Přepošli vše ostatní do gRPC serveru (HTTP/2 upstream)
+              - match: { prefix: "/" }
+                route:
+                  cluster: dt_grpc
+                  timeout: 0s
+          http_filters:
+            - name: envoy.filters.http.router
+              typed_config:
+                "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
+
+  clusters:
+  - name: dt_grpc
+    type: STATIC
+    load_assignment:
+      cluster_name: dt_grpc
+      endpoints:
+      - lb_endpoints:
+        - endpoint:
+            address:
+              socket_address:
+                address: 127.0.0.1
+                port_value: 7859          # start.sh přepíše pokud změníš GRPC_PORT
+    # Upstream do gRPC serveru = HTTP/2 (bez TLS, lokální loopback)
+    http2_protocol_options: {}
+
+admin:
+  address:
+    socket_address: { address: 127.0.0.1, port_value: 9901 }