I'am sane!

If your public key is not working from .env variable file It depends from your framework  you should prepend your variable in the code with prefix : for example for the NextJS frontend  part it is NEXT_PUBLIC_ for other React based frontend frameworks it could be  REACT_APP_

Frontend'er tools  https://github.com/mdn - MDN Web Docs is an open-source, collaborative project that documents web platform technologies, including CSS, HTML, JavaScript, and Web APIs. We also provide extensive 🧑‍🎓 learning resources for beginning developers and students. https://jsbin.com/?html,output  - JS Bin is a tool for experimenting with web languages. In particular HTML, CSS and JavaScript, but JS Bin also supports other languages (like Markdown, Jade and Sass). https://glitch.com/ - Glitch is the friendly place where everyone builds the web. Start a new blog , play with React , or build new worlds with WebXR . Let’s go! pnpm - Fast, disk space-efficient package manager https://react-hook-form.com - React form library https://usehooks.com - A tons of using hooks https://jqlang.github.io/jq/ - jq is a lightweight and flexible command-line JSON processor. JavaScript Playground  - cool frontend sandbox Validation: yup  & zod  , compar...