Updated deploy script

Dockerfile

@@ -1,7 +1,9 @@
 FROM node:18 AS frontend-builder
 WORKDIR /frontend
-COPY ./_frontend .
+COPY ./_frontend/package.json ./package.json
+COPY ./_frontend/package-lock.json ./package-lock.json
 RUN npm install
+COPY ./_frontend .
 RUN npm run build
 
 FROM golang:1.18-alpine AS server-builder