update [Dockerfile]

Dockerfile

@@ -0,0 +1,28 @@
+# Stage 1: Build the frontend, and install server dependencies
+FROM node:22 AS builder
+
+WORKDIR /app
+
+# Install server dependencies
+WORKDIR /app/server
+RUN npm install
+
+# Install dependencies and build the frontend
+WORKDIR /app
+RUN mkdir dist
+RUN bash -c 'if [ -f package.json ]; then npm install && npm run build; fi'
+
+
+# Stage 2: Build the final server image
+FROM node:22
+
+WORKDIR /app
+
+#Copy server files
+COPY --from=builder /app/server .
+# Copy built frontend assets from the builder stage
+COPY --from=builder /app/dist ./dist
+
+EXPOSE 3000
+
+CMD ["node", "server.js"]