diff --git a/.gitea/workflows/cron.yaml b/.gitea/workflows/cron.yaml
new file mode 100644
index 0000000..f928af9
--- /dev/null
+++ b/.gitea/workflows/cron.yaml
@@ -0,0 +1,53 @@
+name: Nightly Rebuild
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  hadolint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5 # v3.3.0
+        continue-on-error: true
+        with:
+          dockerfile: pkg/Dockerfile
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4
+      - run: docker build -f pkg/Dockerfile -t ci-image:${{ github.sha }} .
+
+  build-push:
+    needs: [test]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        with:
+          fetch-depth: 0
+      - uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4
+      - uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - id: get-latest-tag
+        run: |
+          TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+      - id: meta
+        uses: docker/metadata-action@80c7e94dd9b9319bd5eb7a0e0fe9291e23a2a2e9 # v6
+        with:
+          images: jcabillot/mcp-maildir
+          tags: |
+            type=raw,value=${{ steps.get-latest-tag.outputs.tag }}-latest,enable=${{ steps.get-latest-tag.outputs.tag != '' }}
+      - uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7.2.0
+        with:
+          context: .
+          file: pkg/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          pull: true
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