Blue Green Deployment

- Sets up a complete blue deployment with infrastructure including:

- Static website deployed in an S3 bucket
- Cloudfront pointing to the static website

- Creates a green deployment with the following infrastructure:

- S3 website frontend
- EC2 backend with NodeJS
- Postgres Database
- Integration tests with:
- Slack integration
- Frontend and backend smoke testing

- Sets up centralised structured logging and diagnosis with:

- Prometheus for monitoring
- Gmail for automated notifications

Steps

• Fork this repository to your local machine

• connect the repo to circleCI using the link below

• Circle CI

• Create an Environment varaible for AWS access in CircleCI

• AWS_ACCESS_KEY_ID: Your AWS access key ID

• AWS_DEFAULT_REGION: Your default AWS region

• AWS_SECRET_ACCESS_KEY: Your AWS secret key

Create an Application Password using Gmail via the link below

Create application password

• AuthEmail: Authentication email

• EmailPassword: app password

• FromEmail: Email to send Prometheus notifications from

• ToEmail: The email to receive the notifications

  Slack (create a slack app and fill in the following required items to auto-notify your channel on failure)

  • SLACK_ACCESS_TOKEN
  • SLACK_DEFAULT_CHANNEL

  Database parameters for postgres DB A sample file is in ./backend/development.env. The only parameter you need to change here is TYPEORM_PASSWORD

  TYPEORM_CONNECTION=postgres TYPEORM_DATABASE=postgres TYPEORM_ENTITIES=./src/modules/domain/**/.entity.ts TYPEORM_MIGRATIONS=./src/migrations/.ts TYPEORM_MIGRATIONS_DIR=./src/migrations TYPEORM_USERNAME=postgres TYPEORM_PORT=5432 TYPEORM_PASSWORD: any password of your choice

Built With

• Circle CI - Cloud-based CI/CD service
• Amazon AWS - Cloud services
• AWS CLI - Command-line tool for AWS
• CloudFormation - Infrastrcuture as code
• Ansible - Configuration management tool
• Prometheus - Monitoring tool

License

License