Merge pull request 'feat(drone): add pull request trigger for CI/CD testing' (#1) from develop into master

Reviewed-on: #1

.drone.yml

@@ -5,8 +5,18 @@ name: build-and-push
 trigger:
   event:
     - tag
+    - pull_request
 
 steps:
+  - name: build-test
+    image: plugins/docker
+    settings:
+      dockerfile: Dockerfile
+      context: .
+      when:
+        event:
+          - pull_request
+
   - name: build-and-push
     image: plugins/docker
     settings:
@@ -19,3 +29,6 @@ steps:
         from_secret: REGISTRY_USERNAME
       password:
         from_secret: REGISTRY_PASSWORD
+      when:
+        event:
+          - tag