document the terraform workflow

zimbatm · zimbatm · commit f6c8d5d17d5e · 2018-11-19T15:41:19.000+01:00
diff --git a/terraform/README.md b/terraform/README.md
@@ -20,3 +20,13 @@ Then run the following command to diff the changes and then apply if approved:
 nix-shell --run "terraform apply"
 ```
 
+## Terraform workflow
+
+Write the Terraform code and test the changes using `terraform validate`.
+
+Before committing run `terraform fmt`. 
+
+Once the code is ready to be deployed, create a new PR with the attached
+output of `terraform plan`.
+
+Once the PR is merged, run `terraform apply` to apply the changes.
