feat(backend added)

backend/Dockerfile

@@ -0,0 +1,23 @@
+# syntax=docker/dockerfile:1
+
+# Stage 1: Build frontend
+FROM node:20-alpine AS frontend-builder
+WORKDIR /app/frontend
+COPY crmDashboard/package*.json ./
+RUN npm install
+COPY crmDashboard/ ./
+RUN npm run build
+
+# Stage 2: Bun backend
+FROM oven/bun:1-alpine
+WORKDIR /app
+
+COPY backend/package.json backend/bun.lockb* ./
+RUN bun install --production
+
+COPY backend/ ./
+COPY --from=frontend-builder /app/frontend/dist ./public
+
+EXPOSE 3000
+
+CMD ["bun", "run", "server.js"]

backend/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "crm-backend",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "start": "bun server.js"
+  },
+  "dependencies": {}
+}

backend/server.js

@@ -0,0 +1,49 @@
+const PUBLIC_DIR = './public'
+const PORT = process.env.PORT ? Number(process.env.PORT) : 3000
+
+function getContentType(path) {
+  if (path.endsWith('.html')) return 'text/html'
+  if (path.endsWith('.js')) return 'application/javascript'
+  if (path.endsWith('.css')) return 'text/css'
+  if (path.endsWith('.json')) return 'application/json'
+  if (path.endsWith('.png')) return 'image/png'
+  if (path.endsWith('.jpg') || path.endsWith('.jpeg')) return 'image/jpeg'
+  if (path.endsWith('.svg')) return 'image/svg+xml'
+  if (path.endsWith('.woff2')) return 'font/woff2'
+  if (path.endsWith('.woff')) return 'font/woff'
+  if (path.endsWith('.ttf')) return 'font/ttf'
+  return 'application/octet-stream'
+}
+
+Bun.serve({
+  port: PORT,
+  async fetch(req) {
+    const url = new URL(req.url)
+
+    if (url.pathname === '/health') {
+      return new Response('OK', { status: 200 })
+    }
+
+    const filePath = url.pathname === '/' ? '/index.html' : url.pathname
+    const fullPath = `${PUBLIC_DIR}${filePath}`
+    const file = Bun.file(fullPath)
+
+    if (await file.exists()) {
+      return new Response(file, {
+        headers: { 'Content-Type': getContentType(filePath) },
+      })
+    }
+
+    // SPA fallback
+    const indexFile = Bun.file(`${PUBLIC_DIR}/index.html`)
+    if (await indexFile.exists()) {
+      return new Response(indexFile, {
+        headers: { 'Content-Type': 'text/html' },
+      })
+    }
+
+    return new Response('Not Found', { status: 404 })
+  },
+})
+
+console.log(`Server running on http://localhost:${PORT}`)