WIP

.projenrc.ts

@@ -1,7 +1,11 @@
 import { GithubAction, RunsUsing } from '@vladcos/projen-github-action'
 
+import { createAwsStep } from '@/.projenrc/createAwsStep'
 import { addTestJob } from '@/.projenrc/test-workflow'
 
+import type { JobStep } from 'projen/lib/github/workflows-model'
+import type { RenderWorkflowSetupOptions } from 'projen/lib/javascript'
+
 const project = new (class extends GithubAction {
   override preSynthesize() {
     super.preSynthesize()
@@ -10,6 +14,16 @@ const project = new (class extends GithubAction {
     )
     addTestJob(this.release!, releaseWorkflowFile!)
   }
+
+  override renderWorkflowSetup(
+    options?: RenderWorkflowSetupOptions,
+  ): JobStep[] {
+    const setup = super.renderWorkflowSetup(options)
+
+    setup.push(createAwsStep())
+
+    return setup
+  }
 })({
   defaultReleaseBranch: 'main',
   devDeps: [

.projenrc/createAwsStep.ts

@@ -0,0 +1,12 @@
+import { JobStep } from 'projen/lib/github/workflows-model'
+
+export function createAwsStep(): JobStep {
+  return {
+    name: 'Configure AWS credentials',
+    uses: 'aws-actions/configure-aws-credentials@v2',
+    with: {
+      'role-to-assume': '${{ vars.AWS_ROLE }}',
+      'aws-region': '${{ vars.AWS_REGION }}',
+    },
+  }
+}