ci(delivery): add deploy and release workflow scaffolds

.gitea/workflows/deploy.yml

@@ -0,0 +1,54 @@
+name: CMS Deploy
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options:
+          - staging
+          - production
+      image_tag:
+        description: "Image tag to deploy (e.g. v0.1.0)"
+        required: true
+      rollback_tag:
+        description: "Optional rollback tag"
+        required: false
+
+jobs:
+  deploy:
+    name: Deploy Compose Stack
+    runs-on: ubuntu-latest
+    steps:
+      - name: Resolve deployment target
+        id: target
+        run: |
+          if [ "${{ github.event.inputs.environment }}" = "staging" ]; then
+            echo "host=${{ secrets.CMS_STAGING_HOST }}" >> "$GITHUB_OUTPUT"
+            echo "user=${{ secrets.CMS_STAGING_USER }}" >> "$GITHUB_OUTPUT"
+            echo "compose=docker-compose.staging.yml" >> "$GITHUB_OUTPUT"
+          else
+            echo "host=${{ secrets.CMS_PRODUCTION_HOST }}" >> "$GITHUB_OUTPUT"
+            echo "user=${{ secrets.CMS_PRODUCTION_USER }}" >> "$GITHUB_OUTPUT"
+            echo "compose=docker-compose.production.yml" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.CMS_DEPLOY_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H "${{ steps.target.outputs.host }}" >> ~/.ssh/known_hosts
+
+      - name: Deploy image tag
+        run: |
+          ssh "${{ steps.target.outputs.user }}@${{ steps.target.outputs.host }}" \
+            "cd ${{ secrets.CMS_REMOTE_DEPLOY_PATH }} && CMS_IMAGE_TAG=${{ github.event.inputs.image_tag }} docker compose -f ${{ steps.target.outputs.compose }} up -d"
+
+      - name: Optional rollback
+        if: github.event.inputs.rollback_tag != ''
+        run: |
+          ssh "${{ steps.target.outputs.user }}@${{ steps.target.outputs.host }}" \
+            "cd ${{ secrets.CMS_REMOTE_DEPLOY_PATH }} && CMS_IMAGE_TAG=${{ github.event.inputs.rollback_tag }} docker compose -f ${{ steps.target.outputs.compose }} up -d"