Update '.drone.yml'

.drone.yml

@@ -8,15 +8,6 @@ steps:
     commands:
       - go build -o caddy-server main.go
   - name: Build Docker Image
-    image: docker
+    image: gcr.io/kaniko-project/executor:debug 
-    volumes:
-      - name: dockersock
-        path: /var/run/docker.sock    
     commands:
-      - docker build -t registry.linuxrocker.com/caddy-server:v0.0.1 .
+      - pwd
-      - docker push registry.linuxrocker.com/caddy-server:v0.0.1
-
-volumes:
-- name: dockersock
-  host:
-    path: /var/run/docker.sock