code-server/cursor-fullstack/CLOUDFLARE_PUBLISHING_FIXES.md

Cloudflare Publishing Fixes

This document outlines all the fixes applied to resolve Cloudflare publishing errors.

Issues Fixed

1. Missing Wrangler CLI

Problem: Wrangler CLI was not installed, preventing deployment. Solution: Installed Wrangler CLI globally using npm install -g wrangler.

2. Missing Frontend Dependencies

Problem: Frontend dependencies (Vite, React, etc.) were not installed. Solution: Ran npm install in the frontend directory to install all required dependencies.

3. Invalid wrangler.toml Configuration

Problem: The wrangler.toml file had several configuration issues:

• Incorrect durable_objects syntax
• Empty KV namespace IDs
• Conflicting binding names (FILE_STORAGE used for both KV and R2)
• Invalid array syntax for durable_objects

Solution: Fixed the configuration:

# Fixed durable_objects syntax
[durable_objects]
bindings = [
  { name = "WEBSOCKET_DO", class_name = "WebSocketDurableObject" }
]

# Fixed KV namespaces with placeholder IDs
[[kv_namespaces]]
binding = "API_KEYS"
id = "placeholder-api-keys-id"
preview_id = "placeholder-api-keys-preview-id"

[[kv_namespaces]]
binding = "FILE_STORAGE_KV"
id = "placeholder-file-storage-kv-id"
preview_id = "placeholder-file-storage-kv-preview-id"

[[kv_namespaces]]
binding = "SESSIONS"
id = "placeholder-sessions-id"
preview_id = "placeholder-sessions-preview-id"

# Fixed R2 bucket binding name conflict
[[r2_buckets]]
binding = "FILE_STORAGE"
bucket_name = "cursor-files"
preview_bucket_name = "cursor-files-preview"

4. Incorrect cloudflare-pages.json Configuration

Problem: The output directory path was incorrect. Solution: Fixed the output directory from cloudflare/frontend/dist to dist.

5. Backend Code Binding References

Problem: Backend code was using incorrect binding names for KV storage. Solution: Updated all references from env.FILE_STORAGE to env.FILE_STORAGE_KV in the backend code.

6. Missing Environment Configuration

Problem: No production environment configuration for the frontend. Solution: Created .env.production file with proper backend URLs.

Deployment Process

Prerequisites

1. Install Wrangler CLI: npm install -g wrangler
2. Login to Cloudflare: wrangler login
3. Install dependencies: cd cloudflare/frontend && npm install

Quick Deployment

Use the fixed deployment script:

cd cloudflare
./deploy-fixed.sh

Manual Deployment

1. Deploy Backend:

   cd cloudflare
   wrangler deploy
   

2. Deploy Frontend:

   cd cloudflare/frontend
   npm run build
   wrangler pages deploy dist --project-name cursor-ide
   

Setting Up Required Services

Before deployment, you need to create the required Cloudflare services:

1. KV Namespaces:

   wrangler kv:namespace create "API_KEYS"
   wrangler kv:namespace create "FILE_STORAGE_KV"
   wrangler kv:namespace create "SESSIONS"
   

2. R2 Buckets:

   wrangler r2 bucket create cursor-files
   wrangler r2 bucket create cursor-files-preview
   

3. Update wrangler.toml with actual namespace IDs from the commands above.

Verification

After deployment, verify the following:

1. Backend is accessible at https://cursor-backend.workers.dev
2. Frontend is accessible at https://cursor-ide.pages.dev
3. Health check endpoint works: https://cursor-backend.workers.dev/health
4. WebSocket connection works: wss://cursor-backend.workers.dev

Common Issues and Solutions

Issue: "You are not authenticated"

Solution: Run wrangler login and follow the authentication process.

Issue: "KV namespace not found"

Solution: Create the required KV namespaces using the commands above.

Issue: "R2 bucket not found"

Solution: Create the required R2 buckets using the commands above.

Issue: "Build failed"

Solution: Ensure all dependencies are installed with npm install in the frontend directory.

Issue: "Configuration validation failed"

Solution: Check that wrangler.toml has valid syntax and all required fields are populated.

Files Modified

1. /workspace/cursor-fullstack/cloudflare/wrangler.toml - Fixed configuration syntax
2. /workspace/cursor-fullstack/cloudflare-pages.json - Fixed output directory
3. /workspace/cursor-fullstack/cloudflare/backend/index.js - Updated binding references
4. /workspace/cursor-fullstack/cloudflare/frontend/.env.production - Added environment variables
5. /workspace/cursor-fullstack/cloudflare/frontend/vite.config.js - Added chunk size warning limit
6. /workspace/cursor-fullstack/package.json - Added deployment scripts
7. /workspace/cursor-fullstack/cloudflare/deploy-fixed.sh - Created fixed deployment script

Next Steps

1. Run wrangler login to authenticate with Cloudflare
2. Create the required KV namespaces and R2 buckets
3. Update wrangler.toml with actual namespace IDs
4. Run the deployment script: ./deploy-fixed.sh
5. Test the deployed application

The application should now deploy successfully to Cloudflare without any publishing errors.