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

default.nix

@@ -0,0 +1,12 @@
+(import (
+  let
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    nodeName = lock.nodes.root.inputs.flake-compat;
+  in
+  fetchTarball {
+    url =
+      lock.nodes.${nodeName}.locked.url
+        or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
+    sha256 = lock.nodes.${nodeName}.locked.narHash;
+  }
+) { src = ./.; }).defaultNix

flake.nix

@@ -0,0 +1,99 @@
+{
+  description = "The lazier way to manage everything docker";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+  };
+
+  outputs =
+    inputs@{
+      self,
+      flake-parts,
+      systems,
+      ...
+    }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = import systems;
+      imports = [
+        inputs.treefmt-nix.flakeModule
+      ];
+
+      perSystem =
+        {
+          self',
+          pkgs,
+          system,
+          ...
+        }:
+        let
+          lazydocker = pkgs.buildGoModule rec {
+            pname = "lazydocker";
+            version = "dev";
+
+            gitCommit = inputs.self.rev or inputs.self.dirtyRev or "dev";
+
+            src = ./.;
+            vendorHash = null;
+
+            # Disable integration tests that require specific environment
+            doCheck = false;
+
+            ldflags = [
+              "-s"
+              "-w"
+              "-X main.commit=${gitCommit}"
+              "-X main.version=${version}"
+              "-X main.buildSource=nix"
+            ];
+
+            meta = {
+              description = "The lazier way to manage everything docker";
+              homepage = "https://github.com/jesseduffield/lazydocker";
+              license = pkgs.lib.licenses.mit;
+              maintainers = [ "jesseduffield" ];
+              platforms = pkgs.lib.platforms.unix;
+              mainProgram = "lazydocker";
+            };
+          };
+        in
+        {
+          packages = {
+            default = lazydocker;
+            inherit lazydocker;
+          };
+
+          devShells.default = pkgs.mkShell {
+            name = "lazydocker-dev";
+
+            buildInputs = with pkgs; [
+              # Go toolchain
+              go
+              gotools
+
+              gnumake
+            ];
+
+            # Environment variables for development
+            CGO_ENABLED = "0";
+          };
+
+          treefmt = {
+            programs.nixfmt.enable = pkgs.lib.meta.availableOn pkgs.stdenv.buildPlatform pkgs.nixfmt-rfc-style.compiler;
+            programs.nixfmt.package = pkgs.nixfmt-rfc-style;
+            programs.gofmt.enable = true;
+          };
+
+          checks.build = lazydocker;
+        };
+
+      flake = {
+        overlays.default = final: prev: {
+          lazydocker = inputs.self.packages.${final.system}.lazydocker;
+        };
+      };
+    };
+}

shell.nix

@@ -0,0 +1,12 @@
+(import (
+  let
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    nodeName = lock.nodes.root.inputs.flake-compat;
+  in
+  fetchTarball {
+    url =
+      lock.nodes.${nodeName}.locked.url
+        or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
+    sha256 = lock.nodes.${nodeName}.locked.narHash;
+  }
+) { src = ./.; }).shellNix