Deploy your Express app to Supabase
Step-by-step deployment help for Express apps on Supabase. We fix Express-specific deployment issues, configure Supabase, and get your app live. From $19.
Express issues we fix before deploying
Common Express problems that affect Supabase deployments.
No helmet middleware for security headers
Express apps without the helmet middleware are missing critical security headers like Content-Security-Policy, X-Content-Type-Options, and HSTS, leaving the app vulnerable to common web attacks.
Missing input validation and sanitization
Request body, query params, and URL params used directly without validation. No express-validator, zod, or joi — enabling injection attacks and unexpected crashes.
Unstructured error handling
No global error-handling middleware. Errors either crash the process, leak stack traces to clients, or get silently swallowed with no logging.
CORS set to allow all origins
The cors() middleware called with no options, defaulting to allowing requests from any website — a security risk for APIs that handle user data.
Supabase deployment issues we check for
Common Supabase problems that break Express apps in production.
Row Level Security disabled on tables
AI tools create tables without enabling RLS, allowing any user with the anon key to read, modify, or delete all data in those tables.
Service role key exposed in client-side code
The service_role key bypasses RLS entirely. AI tools sometimes embed it in frontend code instead of restricting it to server-side operations only.
Edge Functions hitting CPU time limits
Supabase Edge Functions have a 150ms CPU time limit on the free plan. AI-generated functions with heavy computation or unoptimized queries hit this limit under load.
Storage policies too permissive
Supabase Storage buckets created by AI have public access enabled or policies that allow any authenticated user to read all files, ignoring per-user access control.
Start with a self-serve audit
Get a professional review of your Express project before deploying to Supabase.
External Security Scan
Black-box review of your public-facing app. No code access needed.
- OWASP Top 10 vulnerability check
- SSL/TLS configuration analysis
- Security header assessment
- Expert review within 24h
Code Audit
In-depth review of your source code for security, quality, and best practices.
- Security vulnerability analysis
- Code quality review
- Dependency audit
- Architecture review
- Expert + AI code analysis
Complete Bundle
Both scans in one package with cross-referenced findings.
- Everything in both products
- Cross-referenced findings
- Unified action plan
100% credited toward any paid service. Start with an audit, then let us fix what we find.
How it works
Tell us about your app
Share your project details and what you need help with.
Expert + AI audit
A human expert assisted by AI reviews your code within 24 hours.
Launch with confidence
We fix what needs fixing and stick around to help.
Frequently asked questions
How do I deploy a Express app to Supabase?
We handle Express deployments to Supabase end to end. Start with our code audit ($19) to identify deployment blockers specific to your Express project, then we configure Supabase, fix issues, and get your app live in production.
What Express issues affect Supabase deployments?
Express projects commonly have no helmet middleware for security headers and missing input validation and sanitization. On Supabase, these combine with row level security disabled on tables and service role key exposed in client-side code to cause deployment failures.
Can SpringCode deploy my Express project to Supabase?
Yes. We specialize in deploying Express applications to Supabase. We audit your codebase for Express-specific issues, configure Supabase correctly, and handle the full deployment so your app runs reliably in production.
What does Express deployment to Supabase cost?
Our code audit ($19) identifies all Supabase deployment blockers in your Express project. Full deployment assistance is scoped with a fixed quote after the audit — no hourly billing or surprise charges.
Related resources
Other techs on Supabase
Deploy Express elsewhere
Need help deploying Express to Supabase?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.