fix: build command in dockerFile {backend}

Author: Arunkoo

backend/Dockerfile

@@ -1,21 +1,21 @@
 FROM node:20-alpine
 
-# Set working directory
 WORKDIR /app
 
-# Copy package.json and Prisma schema first
+
 COPY package*.json ./
-COPY prisma ./prisma
 
-# Install dependencies, which triggers Prisma Client generation
+
 RUN npm install
 
-# Copy all remaining files for development (volume mount will handle syncing changes)
+
 COPY . .
 
-# Expose backend port
+
+RUN npm run build
+
+# Expose port
 EXPOSE 3000
 
-# Run migrations and then start the application
-# `migrate deploy` is safe to run on every startup
-CMD ["npm", "run", "start:prod"]
+# Start production server
+CMD ["npm", "run", "start:prod"]