diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
index 0000000..b015641
--- /dev/null
+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,36 @@
+name: Build Site
+on:
+  push:
+    branches:
+      - calepin-migration
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install just
+        run: |
+          wget -qO - 'https://proget.makedeb.org/debian-feeds/prebuilt-mpr.pub' | gpg --dearmor | sudo tee /usr/share/keyrings/prebuilt-mpr-archive-keyring.gpg 1> /dev/null
+          echo "deb [arch=amd64 signed-by=/usr/share/keyrings/prebuilt-mpr-archive-keyring.gpg] https://proget.makedeb.org prebuilt-mpr $(lsb_release -cs)" | sudo tee /etc/apt/sources.list.d/prebuilt-mpr.list
+          sudo apt update
+          sudo apt install just
+        # Alternative, as `just` might not be needed for simple CI if we run scripts directly, but we want to test the workflow
+        # Actually a simpler way to install just: curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/local/bin
+
+      - name: Install just (simple)
+        run: curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/local/bin
+
+      - name: Install toolchain
+        run: just tools
+
+      - name: Build site
+        run: just build
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: site-public
+          path: public/