diff --git a/.github/workflows/push-to-gitea.yml b/.github/workflows/push-to-gitea.yml
new file mode 100644
index 0000000..8626919
--- /dev/null
+++ b/.github/workflows/push-to-gitea.yml
@@ -0,0 +1,29 @@
+## gitea に同期する用の actions
+name: main
+
+on:
+  push:
+    branches:
+      - 'main'
+
+env:
+  GITEA_SSH_URL: 'ssh://git@git.trap.jp:2200/hackathon-22-spring-16/back-end.git'
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set config
+        run: |
+          echo "${{ secrets.GITEA_TOKEN }}" > ~/deploy_key.pem
+          chmod 600 ~/deploy_key.pem
+          git config --local user.email "github@actions"
+          git config --local user.name "github"
+      - name: Push changes
+        env:
+          GIT_SSH_COMMAND: ssh -i ~/deploy_key.pem -o StrictHostKeyChecking=no -F /dev/null
+        run: |
+          git fetch --unshallow origin
+          git push -f ${{ env.GITEA_SSH_URL }} main:master
diff --git a/showcase.yaml b/showcase.yaml
new file mode 100644
index 0000000..74c39ab
--- /dev/null
+++ b/showcase.yaml
@@ -0,0 +1,18 @@
+type: runtime
+
+startup: |
+  go mod download
+  go build -o main
+entrypoint: ./main
+
+http_proxy: 3000
+
+https: hard
+
+# cname:
+#   TODO
+
+use_mariadb: true
+
+branch:
+  main:
\ No newline at end of file