Merge pull request #105 from bmf-san/feature/replace-ci-img

Use golang img instead of using cimg

Author: bmf-san

.circleci/config.yml

@@ -12,7 +12,7 @@ jobs:
         type: boolean
         default: true
     docker:
-      - image: "cimg/go:<< parameters.version >>"
+      - image: "golang:<< parameters.version >>"
     working_directory: ~/go/src/github.com/bmf-san/goblin
     environment:
       GO111MODULE: "on"