Deploy your Express app to Netlify
Step-by-step deployment help for Express apps on Netlify. We fix Express-specific deployment issues, configure Netlify, and get your app live. From $19.
Express issues we fix before deploying
Common Express problems that affect Netlify 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.
Netlify deployment issues we check for
Common Netlify problems that break Express apps in production.
Netlify Functions timeout at 10 seconds
AI-generated API routes perform heavy database queries or external API calls that exceed Netlify's default 10-second function timeout, returning 502 errors to users.
Build plugin conflicts with framework adapters
AI-scaffolded projects include conflicting netlify.toml settings and framework adapters, causing build failures or incorrect routing behavior.
Redirect rules not matching SPA fallback
Single-page apps need a /* to /index.html rewrite, but AI tools either omit it or place conflicting rules in both _redirects and netlify.toml.
Forms not detected during build
Netlify Forms require a static HTML form with a netlify attribute at build time. Dynamically rendered forms from React or Next.js are invisible to the build parser.
Start with a self-serve audit
Get a professional review of your Express project before deploying to Netlify.
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 Netlify?
We handle Express deployments to Netlify end to end. Start with our code audit ($19) to identify deployment blockers specific to your Express project, then we configure Netlify, fix issues, and get your app live in production.
What Express issues affect Netlify deployments?
Express projects commonly have no helmet middleware for security headers and missing input validation and sanitization. On Netlify, these combine with netlify functions timeout at 10 seconds and build plugin conflicts with framework adapters to cause deployment failures.
Can SpringCode deploy my Express project to Netlify?
Yes. We specialize in deploying Express applications to Netlify. We audit your codebase for Express-specific issues, configure Netlify correctly, and handle the full deployment so your app runs reliably in production.
What does Express deployment to Netlify cost?
Our code audit ($19) identifies all Netlify 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 Netlify
Deploy Express elsewhere
Need help deploying Express to Netlify?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.