A minimal image hosting service that allows users to upload images and view the last 4 uploaded images.

• / - View the last 4 uploaded images (newest first)
• /add - Upload form for new images
• 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

• 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. Click "Upload New Image" to go to the upload form
3. Select an image file and click "Upload Image"
4. You'll be redirected back to the home page to see your uploaded image
5. Only the 4 most recent images are kept; older images are automatically deleted

• GET / - Home page with image gallery
• GET /add - Upload form page
• POST /add - Handle image upload (multipart/form-data)
• GET /image/:blobKey - Serve individual images
• GET /frontend/style.css - CSS stylesheet