remove nginx ref

Dockerfile

@@ -1,5 +1,4 @@
-# Build stage
-FROM node:18-alpine AS builder
+FROM node:18-alpine
 
 WORKDIR /app
 
@@ -15,15 +14,6 @@ COPY . .
 # Build the application
 RUN npm run build
 
-# Production stage
-FROM nginx:alpine
+EXPOSE 4173
 
-# Copy built application
-COPY --from=builder /app/dist /usr/share/nginx/html
-
-# Copy nginx configuration
-COPY nginx.conf /etc/nginx/nginx.conf
-
-EXPOSE 80
-
-CMD ["nginx", "-g", "daemon off;"]
+CMD ["npm", "run", "preview"]