Yeah you always need a backend part as part of your dev dependencies but currently you also need to add a little snippet in your production view code.
It could be a browser extension like Rails panel + meta_request but I think it’s also good that anybody working on the codebase always get the debugbar, regardless of their browser or setup.
It could be a browser extension like Rails panel + meta_request but I think it’s also good that anybody working on the codebase always get the debugbar, regardless of their browser or setup.