fix(docker): copy .npmrc and use npmmirror registry for fast builds

.npmrc

@@ -1 +1 @@
-registry=https://package-mirror.liara.ir/repository/npm/
+registry=https://registry.npmmirror.com/

Dockerfile

@@ -3,9 +3,9 @@ FROM node:22-alpine
 
 WORKDIR /app
 
-# Copy package descriptors and install dependencies
-COPY package*.json ./
-RUN npm ci
+# Copy package descriptors and npm configuration
+COPY package*.json .npmrc* ./
+RUN npm ci --registry=https://registry.npmmirror.com
 
 # Copy application source code
 COPY . .