diff --git a/.woodpecker/checks.yml b/.woodpecker/checks.yml
new file mode 100644
index 0000000..3540e45
--- /dev/null
+++ b/.woodpecker/checks.yml
@@ -0,0 +1,15 @@
+when:
+  - path:
+      include: ['*.nix']
+      exclude: ['*.md', 'docs/**', '.woodpecker/*.yaml', '*.js', '*.lua', '*.scss', '*.nu']
+steps:
+  check:
+    image: nixos/nix
+    commands:
+      - echo 'experimental-features = flakes nix-command' >> /etc/nix/nix.conf
+      - nix flake check
+  fmt:
+    image: nixos/nix
+    commands:
+      - echo 'experimental-features = flakes nix-command' >> /etc/nix/nix.conf
+      - nix run nixpkgs#alejandra -- -c .