make sure you have docker desktop to avoid conflict... containers > delete all images > delete all volumes > delete all terminal >> docker system prune

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RUN

python3 -m venv venv source venv/bin/activate pip install -r requirements.txt

docker-compose up --build or docker-compose up --build -d

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[browser] http://localhost:15672 guest, guest

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[new terminal] docker-compose logs -f otel-collector

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[new terminal] (you will find container id from docker app) docker exec -it <celery_worker_container_id> python

just copy these lines, and keep pressing cmd+v multiple times in opened python shell

from app.tasks import add add.delay(4, 6)