diff --git a/.forgejo/workflows/build.nix b/.forgejo/workflows/build.nix
new file mode 100644
index 0000000..c715472
--- /dev/null
+++ b/.forgejo/workflows/build.nix
@@ -0,0 +1,12 @@
+{pkgs?import<nixpkgs>{}}:let
+  stdenv = pkgs.clang19Stdenv;
+  name = "tengri";
+  nativeBuildInputs = with pkgs; [ grcov time rustup cloc just pkg-config libclang ];
+  buildInputs = with pkgs; [ libclang ];
+  LIBCLANG_PATH = "${pkgs.libclang.lib.outPath}/lib";
+  LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (with pkgs; []);
+in pkgs.mkShell.override {
+  inherit stdenv;
+} {
+  inherit name nativeBuildInputs buildInputs LIBCLANG_PATH LD_LIBRARY_PATH;
+}
diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
new file mode 100644
index 0000000..c3b0230
--- /dev/null
+++ b/.forgejo/workflows/build.yaml
@@ -0,0 +1,15 @@
+on: [push]
+jobs:
+  build:
+    container:
+      image: nixos/nix:latest
+    steps:
+      - run: nix-channel --list && nix-channel --update
+      - run: nix-shell --cores 4 -p git --command 'git clone --recursive $GITHUB_SERVER_URL/$GITHUB_REPOSITORY .'
+      - run: whoami && pwd && ls -al
+      - run: nix-shell --cores 4 --command 'cloc src/ && cloc .' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'rustup install nightly && cargo version -vv' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just cov-md' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just doc' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just build-release' .forgejo/workflows/build.nix
+      #- run: nix-shell -p docker --command "docker run --security-opt seccomp=unconfined -v $PWD:/volume xd009642/tarpaulin cargo tarpaulin --out Html --all-features"