diff --git a/.github/workflows/compile.yaml b/.github/workflows/compile.yaml
new file mode 100644
index 0000000..7ec16bb
--- /dev/null
+++ b/.github/workflows/compile.yaml
@@ -0,0 +1,41 @@
+name: Compile ESPHome
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          extra_nix_config: |
+            sandbox = false
+
+      - name: Enable unprivileged user namespaces
+        run: sudo sysctl -w kernel.unprivileged_userns_clone=1 || true
+
+      - name: Install direnv
+        run: sudo apt-get install -y direnv
+
+      - name: Prepare secrets
+        run: |
+          if [ -f templates/secrets.yaml.sample ]; then
+            cp templates/secrets.yaml.sample secrets.yaml
+          elif [ -f secrets.yaml.sample ]; then
+            cp secrets.yaml.sample secrets.yaml
+          fi
+
+      - name: Allow direnv
+        run: direnv allow .
+
+      - name: Compile
+        run: direnv exec . ./reflash.sh compile ''
diff --git a/flake.nix b/flake.nix
index 49e9923..774f664 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,7 @@
             esphome
             esptool
             cc2538-bsl
+            zsh
           ];
 
           shellHook = ''