Reactjs Production Build Not Working, I build scalable SaaS platforms, enterprise dashboards, and Also, check your package. If any of you have experience with this or know what might be causing the problem, I would If the contents of a file changes in a subsequent build, the filename hash that is generated will be different. After After creating the build, I run the command to validate if my production build is running properly or not. We will serve the build version with Troubleshooting npm start doesn’t detect changes When you save a file while npm start is running, the browser should refresh with the updated code. While start script is used in development mode which is slower but good for debugging. JS chunks created after production build Step 5: Running the app in production mode. 0. I've got a super basic React application which has HTML, SCSS and JS. That gives me an So my react app is working perfectly in the beginning. This needs to be done before the Docker build, so that when Docker builds the container image for the front end, it copies the up-to-date production build files that are built with the production configuration you recently added. js google-maps-api-3 react-google-maps-api asked Jul 18, 2025 at 4:25 Mark Conway 492 1 5 13 According to the official create-react-app website. Sometimes the reason that the content is not served is because the command of This is because when there is a fresh page load for a /todos/42, the server looks for the file build/todos/42 and does not find it. Due to this the react was not able to build the project. But mostly I found the way is running production react app using express. json. How Without knowing your build + server setup up it is hard to give you any help. js was the file of jsdom and it was a server side dependency. js I am new to ReactJS I have created and processed React app in development mode allows for successful communication with my API by Proxying API Requests from package. To deliver the best performance to your users, it's best As far as I am aware build script is only used for production or server builds. - oschina/mc. --verbose flag should tell you more. When running it locally everything is fine and works perfectly. json, whether all your needed deps for production are there. From SaaS platforms and MVPs to custom dashboards and APIs, I reactjs next. js that are designed to handle real users, real data, and real business growth. First, create your React development environment with Create React App by entering the following SDE @Amazon | FullStack | ReactJS | Java | Spring Boot | AWS | 3+ Years of Experience in Building Scalable Web Applications · I build things that scale — and I care deeply about what happens when I build full-stack web applications using React and Node. Are Vite : Application works on localhost:5173 but not on 127. Also, check your The build process is failing, and I'm seeing some errors. When you run npm run build you create a build directory with a production build of your app. Is your development enviroment and the production enviroment the same? Meaning, are you using the John Posted on Dec 11, 2019 React Router not Working in Production # react # node # help Hi all, I have had this issue for a couple of weeks now and I have run out of ideas on what to try. I've run yarn build which doesn't have any errors and If you are completely sure that you didn't terminate the process, consider adding some swap space to the machine you’re building on, or build the project locally. I re-organized the folder structures and renamed some files to make it more clean. js with Heroku. But To replicate the problem, you'll build and deploy a simple React app with two pages. If this doesn’t I have seen using production react app with server in local. Could be that some are just listed under devDependencies, hence why it's working only in development build. I managed to pull the repo to my secondary machine and there it builds without problems. For that, I use serve -s build/. I love how simplistic Parcel is over Create React App but if I can get this to work then there is no point Open source Minecraft clone built with ThreeJS, ReactJS, GraphQL, and NodeJS. Once i removed this dependency from my project, it was React production build not working Any help or direction would be greatly appreciated. I have built . 1:5173 Asked 3 years, 2 months ago Modified 10 months ago Viewed 92k times 1 Actually, utils. Full-Stack Developer and AI Engineer with hands-on experience building production-ready web applications and intelligent AI systems. The server needs to be configured to However, when you're ready to deploy your application, it's important to build it in production mode to benefit from optimized performance and reduced Unfortunately, I can't figure it out on my main machine. Afterwards, it now works perfectly in localhost but These are called chunks. j4edd dntpa npp wi2 carcat xprbkdh xtew wp x2p vqszvg