Bolt
deployment
ESLint Error Blocking Build - Build Fails on Lint
Your build fails because of ESLint warnings/errors. Code is correct but linter complains and build exits.
Works locally with warnings but deployment fails on lint.
Error Messages You Might See
Build failed - ESLint error
Error: 'variable' is defined but never used
Error: Missing 'key' prop
Error: Rules of Hooks violation
Common Causes
- ESLint strict mode enabled in build (treatWarningsAsErrors)
- Unused variables or imports flagged as errors
- Rules too strict for development environment
- ESLint config different between local and deployment
- Missing eslintrc file in deployment environment
How to Fix It
Check next.config.js: eslint setting controls build behavior
Disable during development: eslint: { ignoreDuringBuilds: true }
Fix actual issues: remove unused imports, follow rule suggestions
Override specific rules in .eslintrc if they're too strict
Or: add // eslint-disable-next-line above problematic lines as last resort
Real developers can help you.
Meïr Ankri
Full-stack developer specializing in React / Next.js / Node.js with 6+ years of experience. I've worked across various sectors including automotive (Reezocar/Société Générale), healthcare (Medical Link SaaS), and e-commerce (Glasman). I build web apps end-to-end, from architecture to production, with a focus on scalability, performance, and code quality. I also mentor junior developers and contribute to technical decisions and code reviews.
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15+ years building iOS and web apps at startups and enterprise companies. I want to use that experience to help builders ship real products - when something breaks, I'm here to fix it.
Sage Fulcher
Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
PawelPloszaj
I'm fronted developer with 10+ years of experience with big projects. I have small backend background too
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SW engineer with 6+ years of experience,
I worked with React/Node/Python
did projects with React+Capacitor.js for ios
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I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses.
I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain.
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I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture
Matthew Jordan
I've been working at a large software company named Kainos for 2 years, and mainly specialise in Platform Engineering. I regularly enjoy working on software products outside of work, and I'm a huge fan of game development using Unity. I personally enjoy Python & C# in my spare time, but I also specialise in multiple different platform-related technologies from my day job.
You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
Should I disable ESLint for build?
No, fix the actual issues. ESLint catches real bugs. ignoreDuringBuilds is temporary workaround
What's // eslint-disable-next-line for?
Suppresses single rule for one line. Use sparingly - better to fix actual issue
How do I customize ESLint rules?
Edit .eslintrc file. Set rules to 'off', 'warn', or 'error'. Or extend shared configs