test-project

frontend/Dockerfile

@@ -16,8 +16,11 @@ COPY . .
 # Build the React.js application
 RUN npm run build
 
+# Install serve globally so startup is instant (no npx download delay)
+RUN npm install -g serve
+
 # Expose the port that the application listens on
-EXPOSE 3001
+EXPOSE 3000
 
 # Start a simple web server to serve the built React.js files
-CMD [ "npx", "serve", "-s", "build" ]
+CMD [ "serve", "-s", "build" ]

frontend/src/App.js

@@ -2,7 +2,7 @@ import "./App.css";
 import axios from "axios";
 import React, { useState, useEffect } from "react";
 
-const URL = "http://localhost:3000";
+const URL = "/api";
 function App() {
   const [data, setData] = useState([]);
   const [inputValue, setInputValue] = useState("");