workspace: drop gitpod

.gitpod.yml

@@ -1,28 +0,0 @@
-image: gitpod/workspace-mongodb
-tasks:
-  - name: MongoDB
-    init: mkdir -p /home/gitpod/db
-    command: mongod --dbpath /home/gitpod/db
-  - name: App
-    init: |
-      mkdir -p /home/gitpod/.hydro
-      echo '{"host":"127.0.0.1","port":"27017","name":"hydro","username":"","password":""}' >/home/gitpod/.hydro/config.json && \
-      nvm install 18
-      nvm use 18
-      nvm alias default 18
-      yarn
-      yarn build:ui:production
-      npx hydrooj cli system set server.port 2333
-      npx hydrooj cli user create root@hydro.local root rootroot 2
-      npx hydrooj cli user setSuperAdmin 2
-    command: yarn debug
-    env:
-      DEFAULT_STORE_PATH: /home/gitpod/file
-vscode:
-  extensions:
-    - dbaeumer.vscode-eslint
-    - vscode-icons-team.vscode-icons
-    - samuelcolvin.jinjahtml
-    - tabnine.tabnine-vscode
-    - gruntfuggly.todo-tree
-    - ryanluker.vscode-coverage-gutters

README-EN.md

@@ -1,6 +1,6 @@
 # Hydro
 
-![GitHub Workflow Status](https://img.shields.io/github/workflow/status/hydro-dev/hydro/CI)
+![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/hydro-dev/hydro/build.yml?branch=master)
 ![hydrooj](https://img.shields.io/npm/dm/hydrooj)
 ![npm](https://img.shields.io/npm/v/hydrooj?label=hydrooj)
 ![node-current](https://img.shields.io/node/v/hydrooj)
@@ -18,8 +18,6 @@ Feel free to create an account and then navigate to `MyAccount > MyDomains > Cre
 
 [中文](https://hydro.js.org/)  
 
-[Open pre-configured test environment in Gitpod](https://gitpod.io/#https://github.com/hydro-dev/Hydro)  
-
 We are now looking for help with Korean and Japanese translation, if you are a native speaker of these languages, please contact us, pull requests are always welcome.
 
 ## Contact US

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1739446958,
+        "narHash": "sha256-+/bYK3DbPxMIvSL4zArkMX0LQvS7rzBKXnDXLfKyRVc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2ff53fe64443980e139eaa286017f53f88336dd0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "Hydro development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: 
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      packages.${system}.default = pkgs.hello;
+      devShells.${system}.default = pkgs.mkShell {
+        buildInputs = [
+          pkgs.nodejs
+          pkgs.yarn-berry
+          pkgs.pm2
+          pkgs.git
+          pkgs.gcc
+          pkgs.go-judge
+          pkgs.mongodb-ce
+        ];
+      };
+    };
+} 

shell.nix

@@ -1,22 +0,0 @@
-{ 
-  pkgs ? import <nixpkgs> {},
-  hydro ? import (pkgs.fetchFromGitHub {
-    owner = "hydro-dev";
-    repo = "nix-channel";
-    rev = "e1cb1ea6ac79c5e64bd25036be00ee98e51cfd71";
-    hash = "sha256-p7Em18OYAtIsA9+8VtHY1gW/NzRHfHKvoK8rsQRgs5Q=";
-  }) {}
-}:
-let
-in pkgs.stdenv.mkDerivation {
-  name = "hydro-workspace";
-  buildInputs = [
-    pkgs.nodejs
-    pkgs.yarn
-    pkgs.pm2
-    pkgs.git
-    pkgs.gcc
-    hydro.mongodb4
-    hydro.sandbox
-  ];
-}