Fix container build

frontend/Dockerfile

@@ -1,5 +1,5 @@
 # Production Dockerfile for MotoVaultPro Frontend
-FROM node:20-alpine as build
+FROM node:20-alpine AS build
 
 # Set working directory
 WORKDIR /app
@@ -25,9 +25,8 @@ COPY --from=build /app/dist /usr/share/nginx/html
 # Copy nginx configuration
 COPY nginx.conf /etc/nginx/nginx.conf
 
-# Create non-root user for nginx
-RUN addgroup -g 1001 -S nginx && \
-    adduser -S frontend -u 1001 -G nginx
+# Create non-root user for nginx (nginx group already exists)
+RUN adduser -S frontend -u 1001 -G nginx
 
 # Change ownership of nginx directories
 RUN chown -R frontend:nginx /var/cache/nginx && \