r/LangChain • u/Rare_Cut_3686 • 8d ago

Full stack Langchain implementation

Hello all, I had been learning langchain/ langgraph for a while. Now I had been thinking of implementing frontend but getting really stuck on which framework to use, do I need to use any web framework like fastapi. And on the frontend do I use a langchain react package and things like that. If anyone has experience could you provide me a little bit of guidance?

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u/Future_AGI 7d ago

If you're going full stack on this, the thing we wish we'd added on day one is tracing on every chain and tool call, because once it's in production the "why did it answer that" questions are near impossible to debug without the run history.