DevOps Test

This an API example.

Technologies involved

This code is based on python-serverless-api. Technologies involved are:

• Flask
• Flask SQLAlchemy

This code can be deployed to AWS easily by using terraform The service is deployed in

You can test the live version deployed with Swagger Editor.

Infrastructure

This deployment uses:

• AWS API Gateway
• AWS Lambda
• AWS Aurora PostgreSQL Serverless

Setup

1. Create .env file and update contents

This is used to set the environment variables required for deployment and local development.

$ cp .env.example .env
$ vim .env

2. Create a virtualenv then install requirements:

$ make env
$ source env/bin/activate
$ make deps

Example Usage

1. Set Environment

Ensure you have created your virtualenv and have the necessary environment variables set (see setup instructions above).

$ source env/bin/activate
$ source .env

2. Run server

On host

$ make server

In docker

$ docker-compose up

3. Manually test development server

$ http-prompt localhost:5000
GET /hello/whatever

Run tests

Run the following command:

make test
make lint

Deploy to AWS

1. Set AWS credentials

Export AWS_ACCESS_KEY_ID, AWS_DEFAULT_REGION and AWS_SECRET_ACCESS_KEY variables.

2. Create tfstate bucket

cd terraform/init
terraform init
terraform apply

3. Generate bundle and deploy

Then run the following command:

./bin/deploy