refactor: migrate from Express/Node.js to ElysiaJS/Bun

.dockerignore

@@ -0,0 +1,34 @@
+# App config files (must be mounted at runtime)
+keypair_*.pem
+.env
+
+# macOS
+.DS_Store
+
+# Build artifacts
+node_modules
+dist
+coverage
+.nyc_output
+openapi_exported.json
+
+# Editor
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# Debug logs
+*.log
+
+# Git
+.git
+.github
+.gitignore
+.husky
+
+# Test files (not needed in production image)
+test/

.eslintrc

@@ -1,29 +1,53 @@
 {
+  "parser": "@typescript-eslint/parser",
   "plugins": [
-    "jsdoc"
+    "jsdoc",
+    "@typescript-eslint"
   ],
   "extends": [
     "eslint:recommended",
-    "google"
+    "google",
+    "plugin:@typescript-eslint/recommended"
   ],
-  "rules": {
-    "linebreak-style": 1,
-    "indent": [
-      "error",
-      4
-    ],
-    "quotes": [
-      "error",
-      "double"
-    ]
-  },
+    "rules": {
+        "linebreak-style": 0,
+        "indent": [
+            "error",
+            4
+        ],
+        "quotes": [
+            "error",
+            "double"
+        ],
+        "@typescript-eslint/no-explicit-any": 0,
+        "new-cap": [
+            "error",
+            {
+                "capIsNewExceptions": [
+                    "Object",
+                    "String",
+                    "Optional",
+                    "Number",
+                    "Boolean",
+                    "Any",
+                    "Union",
+                    "Intersect",
+                    "Record",
+                    "Array",
+                    "Enum",
+                    "Nullable"
+                ]
+            }
+        ]
+    },
   "env": {
     "es6": true,
     "node": true,
     "mocha": true,
     "browser": false
   },
   "parserOptions": {
-    "ecmaVersion": 2021
+    "ecmaVersion": 2021,
+    "sourceType": "module"
   }
 }

Dockerfile

@@ -1,19 +1,23 @@
-FROM node:20-alpine
+FROM oven/bun:alpine
 
-ENV RUNTIME_ENV=container
+ENV TRUST_PROXY="uniquelocal"
+ENV HTTP_HOSTNAME="0.0.0.0"
+ENV RUNTIME_ENV="container"
 
-RUN adduser -u 3000 -D recv
+RUN addgroup -g 3000 recv && \
+    adduser -HD -u 3000 -G recv -h /app recv
 
-RUN mkdir -p /.npm /workplace
-WORKDIR /workplace
-ADD . /workplace
-
-RUN chown -R \
-    3000:3000 \
-    /.npm /workplace
+WORKDIR /app
+RUN chown 3000:3000 /app
 
 USER 3000
-RUN npm install
 
-EXPOSE 3000
-CMD ["npm", "start"]
+COPY --chown=3000:3000 package.json ./
+RUN bun install --production
+
+COPY --chown=3000:3000 . .
+
+EXPOSE 8080
+HEALTHCHECK --interval=30s --timeout=3s \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/robots.txt || exit 1
+CMD ["bun", "start"]

package.json

@@ -4,28 +4,29 @@
   "description": "A passwordless authentication system.",
   "author": "Taiwan Web Technology Promotion Organization",
   "license": "MIT",
-  "main": "app.js",
   "scripts": {
     "export-openapi": "node export_openapi.js",
-    "dev": "nodemon app.js",
-    "start": "node app.js",
-    "lint": "npx lint-staged",
-    "lint:es": "eslint \"*.js\" \"src/**/*.js\"",
+    "dev": "bun --hot src/index.ts",
+    "start": "bun src/index.ts",
+    "lint": "eslint src test --ext .ts",
     "lint:es:fix": "eslint \"*.js\" \"src/**/*.js\" --fix",
-    "test": "mocha test --exit --recursive --timeout 5000",
+    "test": "bun test",
     "cover": "nyc mocha test --recursive --timeout 5000 --exit",
     "prepare": "husky install"
   },
   "lint-staged": {
-    "*.js": "eslint"
+    "*.{js,ts}": "eslint"
   },
   "dependencies": {
+    "@elysiajs/cors": "^1.4.2",
+    "@elysiajs/swagger": "^1.3.1",
     "@simplewebauthn/server": "^11.0.0",
     "@simplewebauthn/types": "^11.0.0",
+    "@sinclair/typebox": "^0.34.49",
     "cors": "^2.8.5",
     "dotenv": "^16.0.3",
-    "express": "^4.18.2",
-    "express-validator": "^6.14.3",
+    "elysia": "^1.4.28",
+    "elysia-rate-limit": "^4.6.1",
     "http-status-codes": "^2.2.0",
     "jsonwebtoken": "^9.0.0",
     "mongoose": "^7.0.3",
@@ -40,6 +41,13 @@
   "devDependencies": {
     "@commitlint/cli": "^17.4.4",
     "@commitlint/config-conventional": "^17.4.4",
+    "@types/bun": "^1.3.13",
+    "@types/jsonwebtoken": "^9.0.10",
+    "@types/node": "^20.0.0",
+    "@types/nodemailer": "^8.0.0",
+    "@types/ua-parser-js": "^0.7.39",
+    "@typescript-eslint/eslint-plugin": "^8.59.3",
+    "@typescript-eslint/parser": "^8.59.3",
     "cz-conventional-changelog": "^3.3.0",
     "eslint": "^8.17.0",
     "eslint-config-google": "^0.14.0",