refactor: general-node and map-node to use flotte types for service registration

internal/reduce-node/node.go

@@ -3,11 +3,17 @@ package reducenode
 import "github.com/gin-gonic/gin"
 
 func Start() {
+	err := registerAsReduceNode()
+	if err != nil {
+		panic(err)
+	}
+
 	router := gin.Default()
-	router.GET("/ping", func(c *gin.Context) {
-		c.JSON(200, gin.H{
-			"message": "pong",
-		})
-	})
-	router.Run() // listen and serve on 0.0.0.0:8080
+	router = registerRoutes(router)
+
+	router.Run("localhost:4001") // listen and serve on 0.0.0.0:4001
+}
+
+func registerAsReduceNode() error {
+	return nil
 }

internal/reduce-node/routes.go

@@ -0,0 +1,14 @@
+package reducenode
+
+import "github.com/gin-gonic/gin"
+
+func registerRoutes(router *gin.Engine) *gin.Engine {
+
+	router.GET("/ping", func(c *gin.Context) {
+		c.JSON(200, gin.H{
+			"message": "pong",
+		})
+	})
+
+	return router
+}