Update Dockerfile

Dockerfile

@@ -2,15 +2,15 @@
 FROM node:14-bullseye-slim as build-step
 WORKDIR /app
 ENV PATH /app/node_modules/.bin:$PATH
-RUN mkdir ./frontend
+
+# Copy package.json and package-lock.json first to leverage Docker cache
 COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
 WORKDIR /app/frontend
 RUN npm install -g [email protected]
 RUN npm install
 
-WORKDIR /app
+# Copy the rest of the frontend code and build the project
 COPY ./frontend ./frontend
-
 WORKDIR /app/frontend
 RUN npm run build