add promotion github actions

will automatically promote setup a PR to promote charts from dev-staging and staging-prod

.github/workflows/promote_to_prod.yaml

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+name: Promote Staging to Prod
+
+on:
+  schedule:
+    - cron: '0 12 * * 3'  # Wednesday at 12pm UTC
+  workflow_dispatch:
+
+jobs:
+  create-promotion-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Get current date
+        id: date
+        run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+      - name: Set branch and PR names
+        id: env-vars
+        run: |
+          echo "branch_name=staging-to-prod-${{ steps.date.outputs.date }}" >> $GITHUB_OUTPUT
+          echo "pr_title=Promote Staging to Prod - ${{ steps.date.outputs.date }}" >> $GITHUB_OUTPUT
+
+      - name: Create temporary copy for comparison
+        run: |
+          mkdir -p temp_compare
+          cp -r charts/prod temp_compare/
+
+      - name: Copy files
+        run: |
+          rm -rf charts/prod
+          cp -r charts/staging charts/prod
+
+      - name: Check for changes
+        id: check-changes
+        run: |
+          if diff -r temp_compare/prod charts/prod > /dev/null; then
+            echo "changes_detected=false" >> $GITHUB_OUTPUT
+          else
+            echo "changes_detected=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create promotion branch
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: git checkout -b ${{ steps.env-vars.outputs.branch_name }}
+
+      - name: Commit changes
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add charts/prod
+          git commit -m "${{ steps.env-vars.outputs.pr_title }}"
+
+      - name: Push changes
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: git push origin ${{ steps.env-vars.outputs.branch_name }}
+
+      - name: Create Pull Request
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: ${{ steps.env-vars.outputs.pr_title }}
+          body: |
+            Automated promotion PR to copy contents from `staging` to `prod`.
+            
+            This PR was automatically created by the environment promotion workflow.
+          branch: ${{ steps.env-vars.outputs.branch_name }}
+          base: main
+          labels: |
+            automated
+            environment-promotion
+
+      - name: Log no changes
+        if: steps.check-changes.outputs.changes_detected == 'false'
+        run: echo "No changes detected between staging and prod. Skipping PR creation."

.github/workflows/promote_to_staging.yaml

@@ -0,0 +1,78 @@
+name: Promote Dev to Staging
+
+on:
+  schedule:
+    - cron: '0 12 * * 2'  # Tuesday at 12pm UTC
+  workflow_dispatch:
+
+jobs:
+  create-promotion-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Get current date
+        id: date
+        run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+      - name: Set branch and PR names
+        id: env-vars
+        run: |
+          echo "branch_name=dev-to-staging-${{ steps.date.outputs.date }}" >> $GITHUB_OUTPUT
+          echo "pr_title=Promote Dev to Staging - ${{ steps.date.outputs.date }}" >> $GITHUB_OUTPUT
+
+      - name: Create temporary copy for comparison
+        run: |
+          mkdir -p temp_compare
+          cp -r charts/staging temp_compare/
+
+      - name: Copy files
+        run: |
+          rm -rf charts/staging
+          cp -r charts/dev charts/staging
+
+      - name: Check for changes
+        id: check-changes
+        run: |
+          if diff -r temp_compare/staging charts/staging > /dev/null; then
+            echo "changes_detected=false" >> $GITHUB_OUTPUT
+          else
+            echo "changes_detected=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create promotion branch
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: git checkout -b ${{ steps.env-vars.outputs.branch_name }}
+
+      - name: Commit changes
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add charts/staging
+          git commit -m "${{ steps.env-vars.outputs.pr_title }}"
+
+      - name: Push changes
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        run: git push origin ${{ steps.env-vars.outputs.branch_name }}
+
+      - name: Create Pull Request
+        if: steps.check-changes.outputs.changes_detected == 'true'
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: ${{ steps.env-vars.outputs.pr_title }}
+          body: |
+            Automated promotion PR to copy contents from `dev` to `staging`.
+            
+            This PR was automatically created by the environment promotion workflow.
+          branch: ${{ steps.env-vars.outputs.branch_name }}
+          base: main
+          labels: |
+            automated
+            environment-promotion
+
+      - name: Log no changes
+        if: steps.check-changes.outputs.changes_detected == 'false'
+        run: echo "No changes detected between dev and staging. Skipping PR creation."