add nix flakes

.gitignore

@@ -1,3 +1,4 @@
 build/
+result
 node_modules/
 tsconfig.tsbuildinfo

backend/src/server.ts

@@ -1,5 +1,6 @@
 import express from "express";
 import expressWs from "express-ws";
+import path from "path";
 import { MediaPlayer } from "./MediaPlayer";
 import { searchInvidious, fetchThumbnail } from "./InvidiousAPI";
 import { PlaylistItem } from './types';
@@ -158,14 +159,14 @@ apiRouter.delete("/favorites", withErrorHandling(async (req, res) => {
 }));
 
 // Serve static files for React app (after building)
-app.use(express.static("dist/frontend"));
+app.use(express.static(path.join(__dirname, "../dist/frontend")));
 
 // Mount API routes under /api
 app.use("/api", apiRouter);
 
 // Serve React app for all other routes (client-side routing)
 app.get("*", (req, res) => {
-    res.sendFile("dist/frontend/index.html", { root: "." });
+    res.sendFile(path.join(__dirname, "../dist/frontend/index.html"));
 });
 
 const port = process.env.PORT || 3000;

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": 1740828860,
+        "narHash": "sha256-cjbHI+zUzK5CPsQZqMhE3npTyYFt9tJ3+ohcfaOF/WM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "303bd8071377433a2d8f76e684ec773d70c5b642",
+        "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 +1,201 @@
+{
+  description = "NodeJS application with mpv, yt-dlp, and pulseaudio dependencies";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    let
+      # Define the NixOS module for the systemd service
+      nixosModule = { config, lib, pkgs, ... }:
+        let
+          cfg = config.services.queuecube;
+        in {
+          options.services.queuecube = {
+            enable = lib.mkEnableOption "QueueCube media player service";
+            
+            port = lib.mkOption {
+              type = lib.types.port;
+              default = 3000;
+              description = "Port on which QueueCube will listen";
+            };
+
+            enable_video = lib.mkOption {
+              type = lib.types.bool;
+              default = false;
+              description = "Enable video playback";
+            };
+
+            invidious = lib.mkOption {
+              type = lib.types.submodule {
+                options = {
+                  enabled = lib.mkOption {
+                    type = lib.types.bool;
+                    default = false;
+                    description = "Enable Invidious";
+                  };
+
+                  url = lib.mkOption {
+                    type = lib.types.str;
+                    default = "http://invidious.nor";
+                    description = "URL of the Invidious instance to use";
+                  };
+                };
+              };
+            };
+            
+            user = lib.mkOption {
+              type = lib.types.str;
+              default = "queuecube";
+              description = "User account under which QueueCube runs";
+            };
+            
+            group = lib.mkOption {
+              type = lib.types.str;
+              default = "queuecube";
+              description = "Group under which QueueCube runs";
+            };
+          };
+          
+          config = lib.mkIf cfg.enable {
+            users.users.${cfg.user} = lib.mkIf (cfg.user == "queuecube") {
+              isSystemUser = true;
+              group = cfg.group;
+              description = "QueueCube service user";
+              home = "/var/lib/queuecube";
+              createHome = true;
+            };
+            
+            users.groups.${cfg.group} = lib.mkIf (cfg.group == "queuecube") {};
+            
+            systemd.services.queuecube = {
+              description = "QueueCube media player service";
+              wantedBy = [ "multi-user.target" ];
+              after = [ "network.target" ];
+              
+              serviceConfig = {
+                ExecStart = "${self.packages.${pkgs.system}.queuecube}/bin/queuecube";
+                Restart = "on-failure";
+                User = cfg.user;
+                Group = cfg.group;
+                
+                # Audio/Video access
+                SupplementaryGroups = [ "audio" "video" ];
+
+                # Allow access to X11 for mpv
+                Environment = [ "DISPLAY=:0" ];
+              };
+              
+              environment = {
+                PORT = toString cfg.port;
+                ENABLE_VIDEO = if cfg.enable_video then "1" else "0";
+                USE_INVIDIOUS = if cfg.invidious.enabled then "1" else "0";
+                INVIDIOUS_URL = cfg.invidious.url;
+              };
+            };
+          };
+        };
+    in
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        
+        # Define the package using buildNpmPackage
+        queuecube = pkgs.buildNpmPackage {
+          pname = "queuecube";
+          version = "0.1.0";
+          
+          src = ./.;
+
+          # Skip the standard buildPhase and provide our own
+          dontNpmBuild = true;
+          buildPhase = ''
+            # First install all dependencies
+            npm install
+            
+            # Then run the build with workspaces flag
+            npm run build --workspaces
+          '';
+
+          # Runtime dependencies
+          buildInputs = with pkgs; [
+            mpv
+            yt-dlp
+            pulseaudio
+          ];
+          
+          # Create a wrapper script to ensure runtime deps are available
+          postInstall = ''
+            # Create the necessary directories
+            mkdir -p $out/lib/node_modules/queuecube
+            
+            # Copy the entire project with built files
+            cp -r . $out/lib/node_modules/queuecube
+
+            # Install the frontend build to the backend dist directory
+            mkdir -p $out/lib/node_modules/queuecube/backend/dist/
+            cp -r frontend/dist $out/lib/node_modules/queuecube/backend/dist/frontend
+
+            # Create bin directory if it doesn't exist
+            mkdir -p $out/bin
+            
+            # Create executable script
+            cat > $out/bin/queuecube <<EOF
+            #!/bin/sh
+            exec ${pkgs.nodejs}/bin/node $out/lib/node_modules/queuecube/backend/build/server.js
+            EOF
+            
+            # Make it executable
+            chmod +x $out/bin/queuecube
+            
+            # Wrap the program to include runtime deps in PATH
+            wrapProgram $out/bin/queuecube \
+              --prefix PATH : ${pkgs.lib.makeBinPath [
+                pkgs.mpv
+                pkgs.yt-dlp
+                pkgs.pulseaudio
+              ]}
+          '';
+          
+          # Let buildNpmPackage handle npm package hash
+          npmDepsHash = "sha256-BqjJ4CxTPc14Od88sAm/ASwsLszkvcHHeNoZupotlFw=";
+          
+          meta = with pkgs.lib; {
+            description = "NodeJS application with media playback capabilities";
+            platforms = platforms.linux;
+          };
+        };
+        
+      in {
+        packages = {
+          default = queuecube;
+          queuecube = queuecube;
+        };
+        
+        apps.default = {
+          type = "app";
+          program = "${queuecube}/bin/queuecube";
+        };
+        
+        # Development environment
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            nodejs_20
+            nodePackages.npm
+            mpv
+            yt-dlp
+            pulseaudio
+          ];
+        };
+        
+        # Add a basic check to verify the package builds
+        checks.queuecube = queuecube;
+      }
+    ) // {
+      # Export the NixOS module
+      nixosModules.default = nixosModule;
+      nixosModules.queuecube = nixosModule;
+    };
+}