diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..b26dbf5
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,18 @@
+name: docker
+
+on:
+  push:
+    tags:
+      - '*'
+  workflow_dispatch:
+
+jobs:
+  login:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - run: docker build -t himkt/konoha:${{ github.sha }} .
+      - run: docker push himkt/konoha:${{ github.sha }}