feat: Implement frontend production deployment and enhance admin dashboard functionality

frontend/Dockerfile

@@ -4,7 +4,7 @@ FROM node:20-bookworm-slim
 RUN mkdir -p /usr/src/app
 
 # Set environment variables
-ENV PORT=3000
+ENV PORT=80
 ENV NEXT_TELEMETRY_DISABLED=1
 
 WORKDIR /usr/src/app
@@ -28,7 +28,7 @@ RUN pnpm run db
 # Build the application
 RUN pnpm run build
 
-EXPOSE 3000
+EXPOSE 80
 
 # Start the application
 CMD ["/bin/sh", "-c", "if [ ! -f ./db/sqlite.db ]; then pnpm db; fi && pnpm start"]