DBZ-8406 Get backend ulr from env (#28)

Dockerfile

@@ -2,7 +2,8 @@
 FROM registry.access.redhat.com/ubi9/nodejs-20 AS builder
 RUN npm install -g yarn
 
-ENV VITE_BACKEND_BASE_URL=http://localhost:8080
+ARG BACKEND_URL=http://localhost:8080
+ENV VITE_BACKEND_BASE_URL=${BACKEND_URL}
 
 WORKDIR /app
 COPY package.json yarn.lock ./

vite.config.ts

@@ -3,19 +3,24 @@ import type { InlineConfig } from "vitest";
 import type { UserConfig } from "vite";
 import react from "@vitejs/plugin-react-swc";
 import tsconfigPaths from 'vite-tsconfig-paths';
+import { loadEnv } from 'vite';
+
+const env = loadEnv('all', process.cwd(), 'VITE_');
+const API_URL = `${env.VITE_BACKEND_API_URL ?? 'http://localhost:8080'}`;
+const PORT = `${env.VITE_PORT ?? '3000'}`;
 
 type ViteConfig = UserConfig & { test: InlineConfig };
 const config: ViteConfig = {
   plugins: [react(), tsconfigPaths()],
   server: {
     proxy: {
       "/api": {
-        target: "http://localhost:8080",
+        target: API_URL,
         changeOrigin: true,
         rewrite: (path) => path.replace(/^\/api/, "/api"), // Keep '/api' prefix
       },
     },
-    port: 3000,
+    port: PORT,
   },
   test: {
     // 👋 add the line below to add jsdom to vite