updated Docker and docker-compose files

docker/Dockerfile.frontend

@@ -1,10 +1,12 @@
 # =========== 1) Build stage ===========
-FROM node:18-alpine AS build
+FROM node:22-alpine AS build
 
 WORKDIR /usr/src/app
 
-# Copy package manifests and install dependencies
+# Copy package files
 COPY package*.json ./
+
+# Install dependencies
 RUN npm install
 
 # Copy the rest of the frontend code
@@ -19,7 +21,7 @@ FROM nginx:alpine
 # Copy production build to Nginx html folder.
 # Adjust /usr/src/app/build -> /usr/src/app/dist if you’re using Angular/Vue
 #COPY --from=build /usr/src/app/build /usr/share/nginx/html
-COPY --from=build /usr/src/app /usr/share/nginx/html
+COPY --from=build /usr/src/app/dist /usr/share/nginx/html
 
 # Expose HTTP port
 EXPOSE 80