martinlevington / cookie-shop-serverless

cookie-shop-serverless

This is an example project for Serverless in AWS

We will be using SAM (https://github.com/awslabs/serverless-application-model)

Most services will be using the free tier so costs should be very minimal.

Prerequisites:

1. Signup for an AWS account
2. Fork this project into your GitHub account
3. Python 3.7
4. Postman

Activity:

1. Run source cookie-shop-env/bin/activate
2. Run unit tests coverage run --branch --source='.' -m unittest and coverage with coverage report -m --fail-under=100 --omit=*/__init__.py,tests/*,cookie-shop-env/*
3. Run the setup-template.yaml in AWS Cloudformation
4. Create a CodeBuild project
   • Connect your GitHub fork
   • This sets up our CI/CD pipeline
5. Run the build
   • This build should create a new Cloudformation stack and create all the resources for us
6. Explore the created resources in AWS - Dynamo, Lambda, API Gateway, IAM
7. Add a stream to our Orders DynamoDB
   • Uncomment the stream stuff in template.yaml
   • When an order is placed it will now update the quantity of cookies left
   • Run unit tests and coverage again
8. Add authentication
   • Uncomment the authentication stuff in template.yaml and swagger.yaml
   • The orders endpoint is now protected by IAM (AWS sigv4)
   • To use, go to IAM User, create an access key and secret, then add to the request