export default {
  async fetch(request, env, ctx): Promise<Response> {
    // Upload an image
    const formData = new FormData();
    formData.append('file', imageFile);
    
    const uploadResponse = await fetch('https://api.cloudflare.com/client/v4/accounts/{account_id}/images/v1', {
      method: 'POST',
      headers: {
        'Authorization': 'Bearer ' + env.CLOUDFLARE_API_TOKEN,
      },
      body: formData,
    });
    
    const uploadResult = await uploadResponse.json();
    const imageId = uploadResult.result.id;
    
    // Serve optimized image
    const optimizedUrl = 'https://imagedelivery.net/' + env.DELIVERY_HASH + '/' + imageId + '/w=800,h=600,format=auto';
    
    return Response.redirect(optimizedUrl);
  },
};