finished project

main.go

@@ -0,0 +1,91 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+func main() {
+	mux := http.NewServeMux()
+
+	setupRoutes(mux)
+
+	server := http.Server{
+		Addr:    ":4000",
+		Handler: mux,
+	}
+
+	log.Printf("Starting server on port 4000...")
+	log.Fatal(server.ListenAndServe())
+}
+
+func setupRoutes(mux *http.ServeMux) {
+	counter := 0
+
+	// API Routes
+
+	mux.HandleFunc("/api/status", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+
+		err := json.NewEncoder(w).Encode("ok")
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	})
+
+	mux.HandleFunc("/api/value", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		err := json.NewEncoder(w).Encode(counter)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	})
+
+	mux.HandleFunc("/api/increment", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		counter++
+
+		w.Header().Set("Content-Type", "application/json")
+		err := json.NewEncoder(w).Encode(counter)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	})
+
+	mux.HandleFunc("/api/decrement", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		counter--
+
+		w.Header().Set("Content-Type", "application/json")
+		err := json.NewEncoder(w).Encode(counter)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	})
+
+	// Static Files
+	mux.Handle("/", http.FileServer(http.Dir("./dist/")))
+}

vite.config.js

@@ -3,5 +3,8 @@ import { defineConfig } from 'vite'
 export default defineConfig({
     server: {
         port: 3000,
+        proxy: {
+            '/api': 'http://localhost:4000/',
+        },
     },
 })