diff --git a/.gitignore b/.gitignore
index 45c5571..bf3e4ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,10 +4,6 @@
 debug/
 target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..eda99a3
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "compiler-course"
+version = "0.1.0"
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..33b6c26
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,21 @@
+{
+  lib,
+  fetchFromGitHub,
+  rustPlatform,
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "compiler-course";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "VSinerva";
+    repo = pname;
+    ref = "main";
+    hash = lib.fakeHash; # Use this to get the new hash
+  };
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
+}