fix Dockerfile

Dockerfile

@@ -17,20 +17,22 @@ RUN npm install -g pm2
 # Stage 2: Run the Next.js application with PM2
 FROM node:20-alpine
 
-# Working directory set to /tmp due to write permissions
-WORKDIR /tmp
+# Create necessary directories with write permissions
+WORKDIR /app
+RUN mkdir -p /tmp/.next/cache/images && chown -R node:node /tmp
 
 # Copy the Next.js build and node_modules from the builder stage
-COPY --from=builder /app /tmp
+COPY --from=builder /app /app
 
 # Install PM2 globally
 RUN npm install -g pm2
 
+# Set environment variables
+ENV PORT=7860
+
 # Expose port 7860
 EXPOSE 7860
 
-# Set the PORT environment variable
-ENV PORT=7860
-
-# Start Next.js with PM2
-CMD ["pm2-runtime", "start", "npm", "--", "start"]
+# Run the application with PM2
+USER node
+CMD ["pm2-runtime", "start", "npm", "--", "start"]