docker volume create <volume-name>
docker run --rm --name <container-name> -e POSTGRES_PASSWORD=docker -d -p 5432:5432 --mount 'source=<volume-name>,target=/var/lib/postgresql/data' postgres
python bootstrap_db.py
npm install
serverless deploy --stage dev
docker run --rm -v <full-path-src>:/home -w="/home" python:3.7 pip install --target ./package -r requirements.txt
cd package && zip -r9 ../function.zip . && cd ..
zip -g function.zip <lambda_file> <dependencies...>
dependencies will usually include db_util.py
and models.py