Drone: add k8s rollout

.drone.yml

@@ -27,4 +27,20 @@ steps:
         from_secret: DOCKER_REGISTRY
       DOCKER_HOST: tcp://localhost:2375
 #    when:
+#      event: tag
+
+  - name: k8s rollout
+    image: bitnami/kubectl
+    commands:
+      - cd deploy && bash -c 'for f in *.yaml; do envsubst < $f | kubectl apply -f -; done'
+    environment:
+      NODED_DOMAIN:
+        from_secret: NODED_DOMAIN
+      NODED_DATABASE_HOST:
+        from_secret: NODED_DATABASE_HOST
+      NODED_REDIS_HOST:
+        from_secret: NODED_REDIS_HOST
+      NODED_DATABASE_NAME:
+        from_secret: NODED_DATABASE_NAME
+#    when:
 #      event: tag