A minimal image hosting service that displays the last 4 uploaded images.

• / - View the last 4 uploaded images (newest first)
• /add - Upload form for new images (no navigation links to this page)
• Automatic cleanup: images are deleted when there are 4 newer images
• Mobile and desktop friendly
• No frontend JavaScript required
• File size limit: 10MB per image
• Supports common image formats (JPEG, PNG, GIF, WebP)

• Built with Hono framework
• Uses SQLite for metadata storage (filename, content type, file size, upload date)
• Uses Val Town Blob storage for image files (stored as base64)
• Images are automatically cleaned up when more than 4 are uploaded
• Responsive design with CSS Grid and Flexbox
• Server-side rendering with no client-side JavaScript
• Upload functionality available but not linked from the UI

• backend/index.ts - Main application entry point (HTTP trigger)
• backend/database/migrations.ts - Database schema initialization
• backend/database/queries.ts - Database operations and image management
• frontend/style.css - Responsive CSS styling

1. Visit the root URL to see uploaded images
2. The /add endpoint provides upload functionality but is not linked from the main interface
3. Images can be uploaded by directly accessing /add
4. Only the 4 most recent images are kept; older images are automatically deleted

• GET / - Home page with image gallery (no upload links)
• GET /add - Upload form page (no navigation links)
• POST /add - Handle image upload (multipart/form-data)
• GET /image/:blobKey - Serve individual images
• GET /frontend/style.css - CSS stylesheet