Update Cloudron app configuration and setup

README.md

@@ -10,6 +10,28 @@ This repository contains the Cloudron packaging for [Ente](https://ente.io), an
 - Configured to use Cloudron's mail service for sending emails
 - Easy to deploy and manage through the Cloudron interface
 
+## Requirements
+
+### Browser Compatibility
+
+Ente uses modern web technologies for its end-to-end encryption:
+
+- **WebAssembly**: Required for cryptographic operations
+- **IndexedDB**: Required for client-side data storage
+
+Most modern browsers support these features, but they may be blocked by:
+- Browser privacy settings
+- Content Security Policies
+- Certain browser extensions
+
+This package includes custom Caddy configuration with appropriate security headers to ensure these features work correctly.
+
+### S3-Compatible Storage
+
+Ente requires an S3-compatible object storage service. You can use:
+- Cloudron's built-in object storage
+- External services like AWS S3, Wasabi, or MinIO
+
 ## Building and Installing
 
 ### Option 1: Build and Install Manually
@@ -53,6 +75,14 @@ The app is configured automatically using Cloudron's environment variables for:
 - SMTP mail service
 - App origin URL
 
+### Additional Configuration
+
+The package includes several enhancements to ensure proper functionality:
+
+1. **Security Headers**: Custom Content-Security-Policy headers that allow WebAssembly and IndexedDB
+2. **API Configuration**: Dynamic runtime configuration to ensure the frontend connects to the correct API endpoint
+3. **CORS Headers**: Proper CORS configuration for API access
+
 ## Usage
 
 ### Web Client
@@ -77,6 +107,12 @@ cloudron update --app ente.yourdomain.com
 
 ## Troubleshooting
 
+### Common Issues
+
+1. **"Failed to fetch" errors**: Check if your browser is blocking API requests to your domain
+2. **WebAssembly errors**: Ensure your browser supports and allows WebAssembly (try using Chrome or Firefox)
+3. **IndexedDB errors**: Make sure your browser allows IndexedDB (not in private/incognito mode)
+
 For issues specific to the Cloudron packaging, please open an issue in this repository.
 
 For issues with Ente itself, please refer to the [main Ente repository](https://github.com/ente-io/ente).