adding github action for TFE deployments

Author: Damien J. Burks

.github/workflows/default.yml

@@ -0,0 +1,14 @@
+name: "Default Workflow (main)"
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+    run-terraform-apply:
+        uses: ./.github/workflows/terraform-apply.yml
+        permissions:
+            contents: read
+        secrets: inherit

.github/workflows/terraform-apply.yml

@@ -0,0 +1,42 @@
+name: "Terraform Apply"
+
+on:
+  workflow_call:
+
+env:
+  TF_CLOUD_ORGANIZATION: "DSB"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
+  TF_WORKSPACE: "dsb-gcp-devsecops-infra"
+  CONFIG_DIRECTORY: "./"
+
+jobs:
+  terraform:
+    name: "Terraform Apply"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Upload Configuration
+        uses: hashicorp/tfc-workflows-github/actions/upload-configuration@v1.3.1
+        id: apply-upload
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          directory: ${{ env.CONFIG_DIRECTORY }}
+
+      - name: Create Apply Run
+        uses: hashicorp/tfc-workflows-github/actions/create-run@v1.3.1
+        id: apply-run
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          configuration_version: ${{ steps.apply-upload.outputs.configuration_version_id }}
+
+      - name: Apply
+        uses: hashicorp/tfc-workflows-github/actions/apply-run@v1.3.1
+        if: fromJSON(steps.apply-run.outputs.payload).data.attributes.actions.IsConfirmable
+        id: apply
+        with:
+          run: ${{ steps.apply-run.outputs.run_id }}
+          comment: "Apply Run from GitHub Actions CI ${{ github.sha }}"