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Which application is it?

python 3.7

Framework?

Flask rest framework

Did you follow https://signoz.io/docs/instrumentation/flask/ ?

can you join a call ?

@Vikas Sansanwal Check this troubleshooting. guide as well - to ensure your application is able to send data to SigNoz - https://signoz.io/docs/install/troubleshooting/

The final run command should include the app file to the instrument; otherwise, it doesn’t work.

<your run command>

placeholder from the tutorial is expected to be completed by you. I didn’t find anything as such in Dockerfile shared by Vishal. If it was unclear earlier, please update it and let us know if it still doesn’t work.