Update Drone pipeline settings

.drone.yml

@@ -7,7 +7,7 @@ steps:
   commands:
   - pip install pylint
   - pip install -r requirements.txt
-  - pylint project_amber
+  - pylint --rcfile .pylintrc project_amber project_amber/handlers project_amber/helpers project_amber/models
   when:
     branch:
       exclude:
@@ -21,8 +21,10 @@ steps:
       from_secret: password
     repo: registry.git.tdem.in/amber
     registry: registry.git.tdem.in
-    auto_tag: true
     dockerfile: Dockerfile
+    tags:
+      - ${DRONE_TAG}
+      - latest
   when:
     branch:
     - master