ennvar from secret

.drone.yml

@@ -8,6 +8,11 @@ steps:
   volumes:
   - name: docker_sock
     path: /var/run/docker.sock
+  environment:
+    DOCKER_USERNAME:
+      from_secret: DOCKER_USERNAME
+    DOCKER_PASSWORD:
+      from_secret: DOCKER_PASSWORD
   commands:
     - echo "$DOCKER_PASSWORD" | docker login --username "$DOCKER_USERNAME" --password-stdin registry.kmlabz.com
     - docker build -t registry.kmlabz.com/$DRONE_REPO .