A function to fetch and execute python script from git url
faas template pull && faas build && faas deploy
curl http://localhost:8080/function/openfaas-python-executor \
-d "{ \"git-url\": \"https://github.com/s8sg/openfaas-python-executor.git\", \
\"script\": \"sample.py\", \"job-id\": \"006\" }"