Deploy your Remix app to Heroku
Step-by-step deployment help for Remix apps on Heroku. We fix Remix-specific deployment issues, configure Heroku, and get your app live. From $19.
Remix issues we fix before deploying
Common Remix problems that affect Heroku deployments.
Unprotected action functions
Remix action functions that modify data without verifying user authentication or authorization, allowing anyone to submit forms programmatically.
Missing error boundaries
No ErrorBoundary or CatchBoundary exports in routes, causing unhandled loader/action errors to crash the entire page.
Loader data over-fetching
Loaders returning entire database records to the client instead of selecting only the fields needed for rendering, leaking sensitive data.
Missing server-side form validation
Actions that trust client-side validation without re-validating on the server, allowing malformed or malicious data submissions.
Heroku deployment issues we check for
Common Heroku problems that break Remix apps in production.
Free dyno sleeping causes cold starts
Eco and Basic dynos sleep after 30 minutes of inactivity. AI-generated apps with webhook receivers or background jobs break when the dyno is asleep.
Ephemeral filesystem loses uploaded files
AI tools save user uploads and generated files to the local filesystem, but Heroku's ephemeral FS wipes all changes on every dyno restart or deploy.
Database connection pool exhaustion
Heroku Postgres plans have strict connection limits (20 on Hobby). AI-generated apps open a new connection per request, exhausting the pool under moderate traffic.
Procfile missing or incorrect
AI-generated projects lack a Procfile, causing Heroku to guess the start command. For non-standard setups, this guess is often wrong.
Start with a self-serve audit
Get a professional review of your Remix project before deploying to Heroku.
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 Remix app to Heroku?
We handle Remix deployments to Heroku end to end. Start with our code audit ($19) to identify deployment blockers specific to your Remix project, then we configure Heroku, fix issues, and get your app live in production.
What Remix issues affect Heroku deployments?
Remix projects commonly have unprotected action functions and missing error boundaries. On Heroku, these combine with free dyno sleeping causes cold starts and ephemeral filesystem loses uploaded files to cause deployment failures.
Can SpringCode deploy my Remix project to Heroku?
Yes. We specialize in deploying Remix applications to Heroku. We audit your codebase for Remix-specific issues, configure Heroku correctly, and handle the full deployment so your app runs reliably in production.
What does Remix deployment to Heroku cost?
Our code audit ($19) identifies all Heroku deployment blockers in your Remix project. Full deployment assistance is scoped with a fixed quote after the audit — no hourly billing or surprise charges.
Related resources
Other techs on Heroku
Deploy Remix elsewhere
Need help deploying Remix to Heroku?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.