add test deploy to CI

.gitlab-ci.yml

 stages:
   - build
+  - test_deploy
 
 image: docker:20.10.8
 
@@ -28,3 +29,11 @@ build_nginx:
     - docker pull $CI_REGISTRY_IMAGE:test-nginx || true
     - docker build --cache-from $CI_REGISTRY_IMAGE:test-nginx -t $IMAGE_TAG_NGINX . -f Dockerfile.nginx
     - docker push $IMAGE_TAG_NGINX
+
+deploy:
+  stage: test_deploy
+  when: manual
+  before_script:
+    - apk add --update curl && rm -rf /var/cache/apk/*
+  script:
+    - curl -k -X POST $DEPLOY_HOOK