fix: docker cmd

Dockerfile

@@ -11,4 +11,4 @@ FROM nginx:stable-alpine as production-stage
 COPY --from=build-stage /app/dist /usr/share/nginx/html
 COPY web/nginx.conf /etc/nginx/nginx.conf
 EXPOSE 80
-CMD ["nginx", "-g", "daemon off;"]
\ No newline at end of file
+CMD ["npm", "run"]
\ No newline at end of file