ETF Holdings Publisher

A python lambda function to publish the holdings of one ETF fund to SNS Topic

Setup project

install python3.7

python3.7 -m pip install --user --upgrade pip
python3.7 -m pip install --user --upgrade pipenv

export PIPENV_VENV_IN_PROJECT=1

pipenv install --dev

Run unit tests

pipenv run python -m pytest

Or under pipenv shell,

python -m pytest

Deploy the cloudformation stacks for this lambda function to AWS

pipenv run bin/deploy.py

Or under pipenv shell,

bin/deploy.py

Deployment details

The deploy script bin/deploy.py deploys the lambda function to AWS with below steps,

• Create the lambda package to dist/lambda.zip with the source code and dependencies
• Deploy the S3 bucket cloudformation stack to AWS to store the lambda package
• Upload the lambda package to the S3 bucket
• Deploy the lambda function cloudformation stack to AWS
• Update the lambda function code, so the lambda function can be updated even there is no cloudformation change