Add disable-host-check flag to fix Cloud Run host blocking

Author: bokhtachekhawla

Dockerfile

@@ -21,5 +21,5 @@ RUN npm run build
 EXPOSE 8080
 
 # Use Astro's preview server which handles routing correctly
-CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0", "--port", "8080"]
+CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0", "--port", "8080", "--disable-host-check"]
 

astro.config.mjs

@@ -14,19 +14,13 @@ export default defineConfig({
   site,
   vite: {
     server: {
-      host: '0.0.0.0',
+      host: true,
+      port: 4321,
     },
     preview: {
-      host: '0.0.0.0',
+      host: true,
       port: 8080,
-      allowedHosts: [
-        'localhost',
-        '127.0.0.1',
-        '0.0.0.0',
-        'gdg-docs-426637717447.us-central1.run.app',
-        '.run.app',
-        'docs.gdgalgiers.dev'
-      ]
+      strictPort: true
     }
   },
   integrations: [

vite.config.js

@@ -2,20 +2,19 @@ import { defineConfig } from 'vite';
 
 export default defineConfig({
   server: {
-    host: '0.0.0.0',
+    host: true,
     port: 4321,
   },
   preview: {
-    host: '0.0.0.0',
+    host: true,
     port: 8080,
-    allowedHosts: [
-      'localhost',
-      '127.0.0.1',
-      '0.0.0.0',
-      'gdg-docs-426637717447.us-central1.run.app',
-      '.run.app',
-      '.vercel.app',
-      'docs.gdgalgiers.dev'
-    ]
+    strictPort: true,
+    // Disable host checking completely
+    disableHostCheck: true,
+    headers: {
+      'Access-Control-Allow-Origin': '*',
+      'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
+      'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+    },
   }
 });