fix docker setup for circle ci

OpenGG · OpenGG · commit 1e685db65af5 · 2017-11-20T14:01:10.000+08:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -7,6 +7,8 @@ jobs:
     steps:
       - checkout
 
+      - setup_remote_docker
+
       - run:
           name: Build and push Docker image
           command: |
