Add envoy proxy

docker-compose.yml

@@ -13,7 +13,7 @@ services:
             interval: 1s
             timeout: 5s
             retries: 10
-    machines-app:
+    machines-service:
         build:
             context: ./machines
             dockerfile: Dockerfile
@@ -23,8 +23,32 @@ services:
             - DBNAME=komponiranje
             - DBUSER=pero
             - DBPASSWORD=pero.000
-        ports:
+        # ports:
-            - 3000:3000
+        #     - 3000:3000
         depends_on:
             db:
                 condition: service_healthy
+    products-service:
+        build:
+            context: ./products
+            dockerfile: Dockerfile
+        environment:
+            - DBHOST=db
+            - DBPORT=5432
+            - DBNAME=komponiranje
+            - DBUSER=pero
+            - DBPASSWORD=pero.000
+        # ports:
+        #     - 3000:3000
+        depends_on:
+            db:
+                condition: service_healthy
+    proxy:
+        image: envoyproxy/envoy:v1.28-latest
+        ports:
+            - "10000:10000"
+        volumes:
+            - ./proxy/envoy.yaml:/etc/envoy/envoy.yaml
+        depends_on:
+            - machines-service
+            - products-service

machines/app/api/router.go

@@ -60,9 +60,12 @@ func initRouter(dbConn *gorm.DB) *gin.Engine {
 	gin.SetMode(gin.ReleaseMode)
 	router := gin.Default()
 
-	router.GET("/ping", handlePing)
+	routes := router.Group("/machines")
-	router.GET("/", handleGetMachines(dbConn))
+	{
-	router.GET("/:machineId", handleGetMachine(dbConn))
+		routes.GET("/ping", handlePing)
+		routes.GET("", handleGetMachines(dbConn))
+		routes.GET("/:machineId", handleGetMachine(dbConn))
+	}
 
 	return router
 }

products/app/api/router.go

@@ -60,9 +60,12 @@ func initRouter(dbConn *gorm.DB) *gin.Engine {
 	gin.SetMode(gin.ReleaseMode)
 	router := gin.Default()
 
-	router.GET("/ping", handlePing)
+	routes := router.Group("/products")
-	router.GET("/", handleGetProducts(dbConn))
+	{
-	router.GET("/:productId", handleGetProduct(dbConn))
+		routes.GET("/ping", handlePing)
+		routes.GET("", handleGetProducts(dbConn))
+		routes.GET("/:productId", handleGetProduct(dbConn))
+	}
 
 	return router
 }

proxy/envoy.yaml

@@ -0,0 +1,65 @@
+static_resources:
+  listeners:
+    - address:
+        socket_address:
+          address: 0.0.0.0
+          port_value: 10000
+      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
+                codec_type: auto
+                stat_prefix: ingress_http
+                route_config:
+                  name: local_route
+                  virtual_hosts:
+                    - name: backend
+                      domains:
+                        - "*"
+                      routes:
+                        - match:
+                            prefix: "/machines"
+                          route:
+                            cluster: machines-app-service
+                        - match:
+                            prefix: "/products"
+                          route:
+                            cluster: products-app-service
+                http_filters:
+                  - name: envoy.filters.http.router
+                    typed_config:
+                      "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
+  clusters:
+    - name: machines-app-service
+      connect_timeout: 0.25s
+      type: strict_dns
+      lb_policy: round_robin
+      load_assignment:
+        cluster_name: machines-app-service
+        endpoints:
+          - lb_endpoints:
+              - endpoint:
+                  address:
+                    socket_address:
+                      address: machines-service
+                      port_value: 3000
+    - name: products-app-service
+      connect_timeout: 0.25s
+      type: strict_dns
+      lb_policy: round_robin
+      load_assignment:
+        cluster_name: products-app-service
+        endpoints:
+          - lb_endpoints:
+              - endpoint:
+                  address:
+                    socket_address:
+                      address: products-service
+                      port_value: 3000
+admin:
+  access_log_path: "/dev/null"
+  address:
+    socket_address:
+      address: 0.0.0.0
+      port_value: 800