BUILD: test with docker image

Author: aiharos

.github/workflows/main.yml

@@ -31,13 +31,5 @@ jobs:
         with:
           ref: master
 
-      - name: Set up Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: 1.15
-
-      # Runs a set of commands using the runners shell
-      - name: Run a multi-line script
-        run: |
-          git clone -b git_envs https://github.com/aiharos/github-actions.git
-          cd github-actions/check-commit; go run check.go "../../."
+      - name: check-commit
+        uses: docker://aiharos/check-commit:latest