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infrastructure-deployment.md

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Deployment process

This Rails app runs on the Teacher Services Cloud Kubernetes infrastructure in Azure.

All of our infrastructure is run on Teacher Services Cloud Kubernetes infrastructure in Azure.

The setup is specified as Infrastructure as Code using Terraform, stored in the terraform folder in the root of the project.

Automated deployment

We use GitHub Actions to automate our deployments to both the test and production environments. You can find the workflow here.

Manual deployment

Automated deployment should always be the first option but it may be required to deploy manually for troubleshooting.

Requesting permissions to access the infrastructure in production environments

  • In the Azure Portal, navigate to Azure AD Privileged Identity Management.
  • Click 'My Roles', then 'Groups'.
  • In the 'Eligible assignments' table, click 'Activate' on the s189 SRTL production PIM group.
  • You can then choose how long you want permissions for, enter the reason you need access and click the button marked 'Activate'

You will need to carry out a Privileged Identity Management request to deploy to the production environment. See Privileged Identity Management requests for more.

Deploying to an environment

The docker image must be already built. It may be required to create a pull request to let the build process run. All the available image tags are listed in the GitHub repository packages: https://github.com/orgs/DFE-Digital/packages?repo_name=claim-additional-payments-for-teaching

  • Verify changes: make [production|test] terraform-plan IMAGE_TAG=xyz
  • Apply changes: make [production|test] terraform-apply IMAGE_TAG=xyz