Add express to dependencies and improve Dockerfile

Added express as a production dependency in package.json and updated the Dockerfile to install dependencies more efficiently using npm ci when package-lock.json is present. This streamlines the build process and ensures express is available in production environments.

Dockerfile

@@ -4,11 +4,11 @@ FROM node:20-alpine
 # Set the working directory inside the container
 WORKDIR /app
 
-# Copy package.json first to leverage Docker cache for dependencies
-COPY package.json ./
+# Copy package.json and package-lock.json first to leverage Docker cache for dependencies
+COPY package.json package-lock.json* ./
 
-# Install dependencies including express for standalone server
-RUN npm ci --only=production && npm install express
+# Install dependencies - use npm ci for reproducible builds if package-lock.json exists, otherwise npm install
+RUN if [ -f package-lock.json ]; then npm ci --only=production; else npm install --only=production; fi
 
 # Copy the rest of the application code
 COPY . .

package.json

@@ -1,36 +1,37 @@
 {
-  "dependencies": {
-    "xget": "file:"
-  },
-  "devDependencies": {
-    "@cloudflare/vitest-pool-workers": "^0.8.36",
-    "@cloudflare/workers-types": "^4.20250724.0",
-    "eslint": "^9.31.0",
-    "prettier": "^3.6.2",
-    "vitest": "^3.1.4",
-    "wrangler": "^4.26.0"
-  },
-  "name": "xget",
-  "private": false,
-  "scripts": {
-    "deploy": "wrangler deploy",
-    "deploy:vercel": "vercel --prod",
-    "dev": "wrangler dev",
-    "dev:vercel": "vercel dev",
-    "format": "prettier --write src/ test/ *.js *.json *.md",
-    "format:check": "prettier --check src/ test/ *.js *.json *.md",
-    "lint": "eslint src/ test/",
-    "lint:fix": "eslint src/ test/ --fix",
-    "preview:vercel": "vercel",
-    "start": "wrangler dev",
-    "start:vercel": "vercel dev",
-    "test": "vitest",
-    "test:coverage": "vitest run --coverage",
-    "test:run": "vitest run",
-    "test:ui": "vitest --ui",
-    "test:watch": "vitest --watch",
-    "type-check": "tsc --noEmit"
-  },
-  "type": "module",
-  "version": "1.0.0"
+	"dependencies": {
+		"express": "^4.19.2",
+		"xget": "file:"
+	},
+	"devDependencies": {
+		"@cloudflare/vitest-pool-workers": "^0.8.36",
+		"@cloudflare/workers-types": "^4.20250724.0",
+		"eslint": "^9.31.0",
+		"prettier": "^3.6.2",
+		"vitest": "^3.1.4",
+		"wrangler": "^4.26.0"
+	},
+	"name": "xget",
+	"private": false,
+	"scripts": {
+		"deploy": "wrangler deploy",
+		"deploy:vercel": "vercel --prod",
+		"dev": "wrangler dev",
+		"dev:vercel": "vercel dev",
+		"format": "prettier --write src/ test/ *.js *.json *.md",
+		"format:check": "prettier --check src/ test/ *.js *.json *.md",
+		"lint": "eslint src/ test/",
+		"lint:fix": "eslint src/ test/ --fix",
+		"preview:vercel": "vercel",
+		"start": "wrangler dev",
+		"start:vercel": "vercel dev",
+		"test": "vitest",
+		"test:coverage": "vitest run --coverage",
+		"test:run": "vitest run",
+		"test:ui": "vitest --ui",
+		"test:watch": "vitest --watch",
+		"type-check": "tsc --noEmit"
+	},
+	"type": "module",
+	"version": "1.0.0"
 }