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AWS lambda functions from a Flask app

Flask Python backend having rest Apis invoking AWS lambda Functions

Steps :

1. create python venv (create python2.7 for this project)

   1.1) sudo apt install python3-venv

   1.2) python3 -m venv my-project-env

   1.3) source my-project-env/bin/activate

2. install dependencies

   pip install -r requirements.txt

( -r will remove previous package if present and install package version metioned in requirement.txt file )

3. create AWS lambda function of suitable roles and required polices

   https://ap-south-1.console.aws.amazon.com/lambda/

   This aws lambda function evoked by flask backend in order to execute, monitor aws cloudwatch

   you can always create a simple dynamodb (add policies to respective roles:-awsfulldynamoaccess) and create fields to update the calculated values

4. flask run

   visit http://127.0.0.1:6464/ (mentioned port can be chaged according to requirement just change port id in python main() :)

AWS Secret key

one can find these keys in aws profile in right upper conrner of aws console ->https://console.aws.amazon.com/iam/home#/security_credentials ->Access keys (access key ID and secret access key)

or just visit aws credentials in your home directory (for linux or mac) cd ~./aws gedit credentials gedit config