Docker test

drone.yml

@@ -2,12 +2,18 @@ kind: pipeline
 type: docker
 name: default
 steps:
+- name: dockerize
+  image: docker
+  commands:
+    - docker --version
+
 - name: build_client
   image: node
   commands:
     - cd Client
     - npm install
     - node node_modules/@angular/cli/bin/ng build --prod --configuration=production
+
 - name: build_server
   image: node
   commands: