Serverless Python
1 min read
serverless, python
Lab note What I wrote down while learning this by building with it. Short by design; the code is in pfeilbr/serverless-python-playground.
experiment with the serverless framework using python
based on https://serverless.com/blog/serverless-python-packaging/
session
# install `serverless framework` if not already installed
npm install serverless -g
# create serverless python project
serverless create --template aws-python3 --name numpy-test --path numpy-test
cd numpy-test
# create isolated virtualenv
virtualenv venv --python=python3
touch handler.py
code .
# add code for `handler.py`
# activate virtualenv
source venv/bin/activate
# run to test
python handler.py
pip install numpy
# save dependencies
pip freeze > requirements.txt
cat requirements.txt
# install dependencies (don't need to execute if starting from scratch)
pip install -r requirements.txt
python handler.py
npm init --force
# add serverless `serverless-python-requirements` plugin
npm install --save serverless-python-requirements
# deploy
sls deploy
# invoke lambda and output log
sls invoke -f numpy --log
# cleanup
sls remove