feat: migración a PostgreSQL, tiempo real SSE, Dockerfile y compose para Coolify

vite.config.ts

@@ -0,0 +1,29 @@
+import tailwindcss from '@tailwindcss/vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+import { defineConfig } from 'vite';
+
+export default defineConfig(() => {
+  return {
+    plugins: [react(), tailwindcss()],
+    resolve: {
+      alias: {
+        '@': path.resolve(__dirname, './src'),
+      },
+    },
+    server: {
+      port: 3000,
+      host: '0.0.0.0',
+      proxy: {
+        '/api': {
+          target: process.env.API_TARGET || 'http://localhost:3000',
+          changeOrigin: true,
+          ws: true,
+        },
+      },
+      // HMR is disabled in AI Studio via DISABLE_HMR env var.
+      hmr: process.env.DISABLE_HMR !== 'true',
+      watch: process.env.DISABLE_HMR === 'true' ? null : {},
+    },
+  };
+});