fix the docker files and startup scripts, also fix a bug in the hello world route of the backend

web/Dockerfile

@@ -1,37 +1,39 @@
 ARG VERSION
 ARG BASE_URL=""
-FROM node:24-alpine AS deps
-WORKDIR /app
-
-COPY package*.json ./
-RUN npm ci --only=production && npm cache clean --force
-
 FROM node:24-alpine AS build
 WORKDIR /app
 ARG VERSION
 ARG BASE_URL
 
+# Copy package files first for better layer caching
 COPY package*.json ./
 RUN npm ci && npm cache clean --force
 
+# Copy source code after dependencies are installed
 COPY . .
 RUN env PUBLIC_VERSION=${VERSION} BASE_URL=${BASE_URL} npm run build
 
 FROM node:24-alpine AS frontend
 ARG VERSION
+
+USER node
+EXPOSE 3000
 WORKDIR /app
+
 LABEL version=${VERSION}
 LABEL description="Docker image for the web frontend of MediaManager"
 
+
 ENV PUBLIC_VERSION=${VERSION}
 ENV PUBLIC_SSR_WEB=false
 
-COPY --from=build /app/build/ ./build/
-COPY package*.json ./
-COPY --chmod=755 mediamanager-frontend-startup.sh ./
+# Copy built application and package files
+COPY --from=build /app/build ./build
+COPY --from=build /app/package*.json ./
+COPY --chmod=755 entrypoint.sh .
 
-COPY --from=deps /app/node_modules ./node_modules
+# Install only production dependencies needed for the Node adapter
+RUN npm ci --only=production && npm cache clean --force
+
+CMD ["/app/entrypoint.sh"]
 
-EXPOSE 3000
-USER node
-CMD ["/app/mediamanager-frontend-startup.sh"]