diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1dfcbd2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.zig-cache/
diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..6e74a4a
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,19 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const exe = b.addExecutable(.{
+        .name = "zig-learn",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    b.installArtifact(exe);
+
+    const run_cmd = b.addRunArtifact(exe);
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+}
diff --git a/flake.nix b/flake.nix
index 5ef69ee..7e94b29 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,7 @@
       system = "x86_64-linux";
       pkgs = nixpkgs.legacyPackages.${system};
       zig = zig-overlay.packages.${system}.master;
-      zls = zls-overlay.packages.${system}.zls;
+      zls = pkgs.zls;
     in {
       devShells.${system}.default = pkgs.mkShell {
         buildInputs = [ zig zls ];
diff --git a/main b/main
new file mode 100755
index 0000000..62835da
Binary files /dev/null and b/main differ
diff --git a/src/main.zig b/src/main.zig
new file mode 100644
index 0000000..692a40c
--- /dev/null
+++ b/src/main.zig
@@ -0,0 +1,12 @@
+// src/main.zig
+
+const std = @import("std");
+
+var x: u32 = 42;
+const name = "world";
+var buf: [64]u8 = undefined;
+pub fn main() void {
+    std.debug.print("{d} {s}\n", .{x, name});
+    x += 1;
+    std.debug.print("{d}\n", .{x});
+}