diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index b2b6b8f..94c4020 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -17,4 +17,18 @@ jobs:
         run: |
           ls ${{ gitea.workspace }}
       - run: echo "This job's status is ${{ job.status }}."
-
+  container-job:
+    runs-on: ubuntu-latest
+    container: golang:latest
+      env:
+        GO111MODULE: on
+        GOPROXY: https://goproxy.cn,direct
+      ports:
+        - 80
+      volumes:
+        - /data:/data
+      options:
+        entrypoint: /bin/sh
+    steps:
+      - name: Check for dockerenv file
+        run: (ls /.dockerenv && echo Found dockerenv) || (echo No dockerenv)