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python-grpc

README.md

Python gRPC Sample

Example gRPC server implemented in Python

Deploying the Python app

Deploy the app using the manifest file

Deploy the app

export DOMAIN=my.cf.app.domain
cf push -f app-manifest.yml --var domain=$DOMAIN

Deploy the app without the manifest file

cf push --no-route python-grpc-test --buildpack https://github.com/cloudfoundry/python-buildpack 
# my.cf.app.domain is used as an example for demonstration purpose
cf map-route python-grpc-test my.cf.app.domain --hostname python-grpc-test --app-protocol http2

Testing the Python app

grpcurl needs to be installed separately.

grpcurl -proto example.proto python-grpc-test.my.cf.app.domain:443 Example.Run

Building and running on the local machine

  1. pipenv install -r requirements.txt
  2. PORT=8080 pipenv run python3 main.py
  3. grpcurl -proto example.proto -plaintext localhost:8080 Example.Run

Renerating code

python -m pip install grpcio-tools
python -m grpc_tools.protoc -I . --python_out . --grpc_python_out . example.proto