How to configure CodePipeline to plan and deploy with Terraform

Question

I'm fairly new to the AWS CodeStar services. I'd like to use CodeBuild/CodePipeline to do the following:

Run Terraform in plan mode
Ask me for confirmation to deploy
Run Terraform deploy

The pipeline should be triggered from a commit to an associated code repo.
I notice that the build spec is specified on the build project, not on the pipeline. Does this mean I need two build projects in order to run Terraform in plan mode vs deploy mode? Or can I do this via one buildspec, or using direct modifications to the pipeline?

Any pointers, or references to tutorials appreciated.

Answer

As a best practice, you need one buildspec for` terraform plan` and another buildspec for `terraform apply`. Between those steps you can add manual approval step.

Here is the repo with examples: https://github.com/aws-samples/aws-codepipeline-terraform-cicd-samples

How to configure CodePipeline to plan and deploy with Terraform

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