feat(nix): add comprehensive Nix flake

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -3,3 +3,10 @@ TODO.md
 Lazydocker.code-workspace
 .vscode
 .idea
+
+# Ignore build outputs from performing a nix-build or `nix build` command
+result
+result-*
+
+# Ignore automatically generated direnv output
+.direnv

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755078291,
+        "narHash": "sha256-Hu/gTDoi4uy6TAKISPHQusSMy8U6xUbLSDjKBYdhDIY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3385ca0cd7e14c1a1eb80401fe011705ff012323",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,138 @@
+{
+  description = "The lazier way to manage everything docker";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      gitCommit = self.rev or self.dirtyRev or "dev";
+      version = "0.24.1";
+
+    in
+    flake-utils.lib.eachSystem supportedSystems (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+
+        lazydocker = pkgs.buildGoModule rec {
+          pname = "lazydocker";
+          inherit version;
+
+          src = ./.;
+
+          vendorHash = null;
+
+          # Disable integration tests that require specific environment
+          doCheck = false;
+
+          nativeBuildInputs = with pkgs; [ git ];
+
+          buildInputs = with pkgs; [ git ];
+
+          ldflags = [
+            "-s"
+            "-w"
+            "-X main.commit=${gitCommit}"
+            "-X main.version=${version}"
+            "-X main.buildSource=nix"
+          ];
+
+          meta = with pkgs.lib; {
+            description = "The lazier way to manage everything docker";
+            homepage = "https://github.com/jesseduffield/lazydocker";
+            license = licenses.mit;
+            maintainers = [ "jesseduffield" ];
+            platforms = platforms.unix;
+            mainProgram = "lazydocker";
+          };
+        };
+
+      in
+      {
+        packages = {
+          default = lazydocker;
+          inherit lazydocker;
+        };
+
+        apps = {
+          default = flake-utils.lib.mkApp {
+            drv = lazydocker;
+            name = "lazydocker";
+          };
+          lazydocker = flake-utils.lib.mkApp {
+            drv = lazydocker;
+            name = "lazydocker";
+          };
+        };
+
+        devShells.default = pkgs.mkShell {
+          name = "lazydocker-dev";
+
+          buildInputs = with pkgs; [
+            # Go toolchain
+            go_1_24
+            gotools
+            golangci-lint
+
+            # Development tools
+            git
+            gnumake
+          ];
+
+          shellHook = ''
+            echo "Lazydocker development environment"
+            echo "Go version: $(go version)"
+            echo "Git version: $(git --version)"
+            echo ""
+          '';
+
+          # Environment variables for development
+          CGO_ENABLED = "0";
+        };
+
+        # Formatting check
+        formatter = pkgs.nixpkgs-fmt;
+
+        # Development checks
+        checks = {
+          # Ensure the package builds
+          build = lazydocker;
+
+          # Format check
+          format =
+            pkgs.runCommand "check-format"
+              {
+                buildInputs = [ pkgs.nixpkgs-fmt ];
+              }
+              ''
+                nixpkgs-fmt --check ${./.}
+                touch $out
+              '';
+        };
+      }
+    )
+    // {
+      # Global overlay for other flakes to use
+      overlays.default = final: prev: {
+        lazydocker = self.packages.${final.system}.lazydocker;
+      };
+
+      # CI/CD support
+      hydraJobs = self.packages;
+    };
+}