Add Nix flake

.envrc

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

.gitignore

@@ -39,3 +39,5 @@ nb-configuration.xml
 /.quarkus/cli/plugins/
 # TLS Certificates
 .certs/
+
+.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": 1769789167,
+        "narHash": "sha256-kKB3bqYJU5nzYeIROI82Ef9VtTbu4uA3YydSk/Bioa8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "62c8382960464ceb98ea593cb8321a2cf8f9e3e5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "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 +1,56 @@
+{
+  description = "DevShell for Kotlin + Quarkus";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = inputs@{ self, nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config = {
+            allowUnfree = true;
+          };
+        };
+        browsers = pkgs.playwright-driver.browsers;
+        chromiumDir = builtins.head (
+          builtins.filter (n: builtins.match "chromium-[0-9]+" n != null)
+            (builtins.attrNames (builtins.readDir "${browsers}"))
+        );
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            jdk21
+            quarkus
+            kotlin
+            kotlin-language-server
+            nodejs
+            playwright-driver.browsers
+          ];
+
+          JAVA_HOME = "${pkgs.jdk21}";
+          PLAYWRIGHT_BROWSERS_PATH = "${browsers}";
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = "1";
+          PLAYWRIGHT_NODEJS_PATH = "${pkgs.nodejs}/bin/node";
+          PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH = "${browsers}/${chromiumDir}/chrome-linux64/chrome";
+
+          shellHook = ''
+            echo "🚀 Kotlin Quarkus development environment loaded"
+            echo "Java version:"
+            java -version
+            echo ""
+            echo "Quarkus CLI version:"
+            quarkus version
+            export QUARKUS_LAUNCH_DEV_MODE=true
+            alias qdev="quarkus dev"
+            alias qbuild="quarkus build"
+          '';
+        };
+      }
+    );
+
+}