feat: Add CI/CD workflow for testing/production branch deployments

.forgejo/workflows/deploy.yml

@@ -0,0 +1,41 @@
+name: Deploy Elmeg
+
+on:
+  push:
+    branches:
+      - testing
+      - production
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set deployment target
+        id: target
+        run: |
+          if [ "${{ github.ref_name }}" = "testing" ]; then
+            echo "server=nexus-vector" >> $GITHUB_OUTPUT
+            echo "domain=elmeg.runfoo.run" >> $GITHUB_OUTPUT
+          elif [ "${{ github.ref_name }}" = "production" ]; then
+            echo "server=tangible-aacorn" >> $GITHUB_OUTPUT
+            echo "domain=elmeg.xyz" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Deploy to ${{ steps.target.outputs.server }}
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ steps.target.outputs.server == 'nexus-vector' && '216.158.230.94' || '159.69.219.254' }}
+          username: root
+          key: ${{ secrets.DEPLOY_SSH_KEY }}
+          script: |
+            cd /srv/containers/elmeg-demo
+            git fetch origin ${{ github.ref_name }}
+            git checkout ${{ github.ref_name }}
+            git reset --hard origin/${{ github.ref_name }}
+            docker compose build --no-cache
+            docker compose up -d
+            docker compose exec -T backend alembic upgrade head
+            echo "Deployed ${{ github.ref_name }} to ${{ steps.target.outputs.domain }}"