feat: Introduce runtime configuration for domain and enhance S3 storage settings with public base URL and Contabo support.

src/app/api/auth/register/route.ts

@@ -15,6 +15,7 @@ const registerSchema = z.object({
     // S3-compatible storage credentials
     storageProvider: z.string().min(1),
     storageEndpoint: z.string().nullable().optional(),
+    storagePublicBaseUrl: z.string().nullable().optional(),
     storageRegion: z.string().min(1),
     storageBucket: z.string().min(1),
     storageAccessKey: z.string().min(10),
@@ -71,6 +72,7 @@ export async function POST(request: Request) {
             data.displayName,
             data.storageProvider,
             data.storageEndpoint || null,
+            data.storagePublicBaseUrl || null,
             data.storageRegion,
             data.storageBucket,
             data.storageAccessKey,

src/app/api/bots/route.ts

@@ -78,6 +78,7 @@ export async function POST(request: Request) {
         botAvatarUrl = await generateAndUploadAvatarToUserStorage(
           botHandle,
           user.storageEndpoint || undefined,
+          user.storagePublicBaseUrl || undefined,
           user.storageRegion || 'auto',
           user.storageBucket,
           accessKeyId,

src/app/api/config/route.ts

@@ -0,0 +1,7 @@
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  return NextResponse.json({
+    domain: process.env.NEXT_PUBLIC_NODE_DOMAIN || process.env.NODE_DOMAIN || 'localhost:3000',
+  });
+}

src/app/api/media/upload/route.ts

@@ -64,6 +64,7 @@ export async function POST(req: NextRequest) {
             file.type,
             user.storageProvider as any,
             user.storageEndpoint,
+            user.storagePublicBaseUrl,
             user.storageRegion || 'us-east-1',
             user.storageBucket || '',
             user.storageAccessKeyEncrypted,