Add Deploy-to-Coolify pipeline stages (staging on test, production on main) matching the bside-cms-backend pattern

.drone.yml

@@ -55,3 +55,40 @@ volumes:
   - name: docker_sock
     host:
       path: /var/run/docker.sock
+---
+kind: pipeline
+type: docker
+name: Deploy to Coolify
+
+steps:
+- name: Deploy Application (Staging)
+  image: alpine/curl:latest
+  environment:
+    STAGING_COOLIFY_WEBHOOK_URL:
+      from_secret: STAGING_COOLIFY_WEBHOOK_URL
+    COOLIFY_DEPLOY_TOKEN:
+      from_secret: COOLIFY_DEPLOY_TOKEN
+  commands:
+  - >-
+    curl -X GET $STAGING_COOLIFY_WEBHOOK_URL
+    -H "Authorization: Bearer $COOLIFY_DEPLOY_TOKEN"
+    --fail-with-body
+  when:
+    branch:
+    - test
+
+- name: Deploy Application (Production)
+  image: alpine/curl:latest
+  environment:
+    PRODUCTION_COOLIFY_WEBHOOK_URL:
+      from_secret: PRODUCTION_COOLIFY_WEBHOOK_URL
+    COOLIFY_DEPLOY_TOKEN:
+      from_secret: COOLIFY_DEPLOY_TOKEN
+  commands:
+  - >-
+    curl -X GET $PRODUCTION_COOLIFY_WEBHOOK_URL
+    -H "Authorization: Bearer $COOLIFY_DEPLOY_TOKEN"
+    --fail-with-body
+  when:
+    branch:
+    - main