diff --git a/.tangled/workflows/deploy.yaml b/.tangled/workflows/deploy.yaml
new file mode 100644
index 0000000..6fe32ce
--- /dev/null
+++ b/.tangled/workflows/deploy.yaml
@@ -0,0 +1,20 @@
+when:
+  - event: ["push", "pull_request"]
+    branch: ["trunk"]
+
+dependencies:
+  nixpkgs:
+    - nix
+    - cargo
+    - rustc
+    - rustfmt
+    - clippy
+
+steps:
+  - name: "lint & fmt"
+    command: |
+      cargo clippy
+      cargo fmt --check
+  - name: test
+    command: |
+      cargo test