Update Dockerfile with apk upgrade and vulnerabilities fixes

Dockerfile

@@ -1,5 +1,9 @@
 # Build stage
 FROM node:22-alpine AS build
+
+# Update packages for security
+RUN apk update && apk upgrade --no-cache
+
 WORKDIR /app
 COPY package*.json ./
 RUN npm install --frozen-lockfile || npm install
@@ -8,6 +12,10 @@ RUN npm run build
 
 # Production stage
 FROM nginx:alpine
+
+# Update packages for security
+RUN apk update && apk upgrade --no-cache
+
 COPY --from=build /app/dist /usr/share/nginx/html
 # Nginx default listen 80
 EXPOSE 80