diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
new file mode 100644
index 0000000000..cd6c5eed1f
--- /dev/null
+++ b/.github/workflows/checks.yml
@@ -0,0 +1,17 @@
+on:
+  push:
+
+name: release-please
+jobs:
+  nix_build:
+    name: Build Nix targets
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+      - name: Check Nix flake inputs
+        uses: DeterminateSystems/flake-checker-action@v5
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
+      - name: Build Nix package
+        run: nix build
+
diff --git a/flake.nix b/flake.nix
index d6d8923a5b..c14567eb93 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,7 +51,11 @@
             inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
           };
 
-        packages.container.amd64 = let
+        checks.cli = packages.cli;
+        checks.core = packages.core;
+        checks.engine = packages.engine;
+
+        container.image.amd64 = let
           server = packages.default.overrideAttrs (old:
             old // {
               GOOS = "linux";
@@ -67,7 +71,7 @@
           config.Cmd = [ "${server}/bin/linux_amd64/server" ];
         };
 
-        packages.container.arm64 = let
+        container.image.arm64 = let
           server = packages.default.overrideAttrs (old:
             old // {
               GOOS = "linux";