feat: use separate commit flow for staging

.github/workflows/deployment.yaml

@@ -29,6 +29,11 @@ on:
         required: false
         description: EKS namespace
         type: string
+      pushToEnvTag:
+        required: false
+        description: Push commits to env-named tags instead of the main branch
+        type: boolean
+        default: false
       ref:
         required: false
         description: The github ref to deploy
@@ -96,6 +101,7 @@ jobs:
                 "namespace": "${{ inputs.namespace }}",
                 "versionKey": "${{ inputs.versionKey }}"
               },
+              "pushToEnvTag": "${{ inputs.pushToEnvTag }}",
               "statusUrl": ${{ toJSON(steps.k8s.outputs.status-url) }},
               "url": ${{ toJSON(steps.k8s.outputs.url) }}
             }

.github/workflows/kubernetes.yaml

@@ -191,20 +191,32 @@ jobs:
         uses: mikefarah/yq@v4.30.8
         with:
           cmd: yq '(.${{ github.event.deployment.payload.kubernetes.versionKey }} = "${{ needs.initialize.outputs.version }}")' -i remote/${{ inputs.deploymentRepoPath }}/values.yaml
-      - name: Commit deployment file
+      - name: Commit and push new image tag
         run: |
+          set -euxo pipefail
           cd remote
-          git config --global user.email "${{ inputs.botEmail }}"
-          git config --global user.name "${{ inputs.registryUsername }}"
-          git add .
-          git commit --allow-empty -m "chore(${{ github.event.deployment.payload.name }}): set ${{ github.event.deployment.payload.env }} version to ${{ needs.initialize.outputs.version }}"
-      - name: Push changes to ${{ inputs.deploymentRepoURL }} git repository
-        uses: ad-m/github-push-action@0fafdd62b84042d49ec0cb92d9cac7f7ce4ec79e
-        with:
-          repository: ${{ inputs.deploymentRepoURL }}
-          directory: remote
-          github_token: ${{ secrets.repoAccessToken }}
-          branch: main
+          git config user.email "$GIT_USER_EMAIL"
+          git config user.name "$GIT_USER_NAME"
+          git add ".chart/$ENV/values.yaml"
+          if git diff --cached --quiet; then
+            echo "No changes to commit"
+            exit 0
+          fi
+          git commit -m "chore(deploy): set $ENV image tag to $VERSION"
+          if [ "$PUSH_TO_ENV_TAG" = "true" ]; then
+            echo "Set new image tag to $ENV"
+            NEW_SHA=$(git rev-parse HEAD)
+            git tag -fa "$ENV" -m "$ENV deploy $VERSION ($NEW_SHA)" "$NEW_SHA"
+            git push origin -f "refs/tags/$ENV"
+          else
+            git push origin main
+          fi
+        env:
+          GIT_USER_EMAIL: dev.bot@parcellab.com
+          GIT_USER_NAME: parcellab-dev-bot
+          ENV: ${{ github.event.deployment.payload.env }}
+          VERSION: ${{ needs.initialize.outputs.version }}
+          PUSH_TO_ENV_TAG: ${{ github.event.deployment.payload.pushToEnvTag }}
       - if: success()
         name: Successful ${{ github.event.deployment.payload.name }} deployment
         uses: chrnorm/deployment-status@v2