Update Dockerfile

Dockerfile

@@ -1,20 +1,23 @@
-# Use Node.js 20 as the base image
 FROM node:20-alpine
 
-# Set the working directory in the container
+# Create app directory
 WORKDIR /app
 
-# Copy package.json and package-lock.json (if available)
+# Install app dependencies
 COPY package*.json ./
+RUN npm install
 
-# Copy the rest of your application code
+# Bundle app source
 COPY . .
 
-# Install dependencies
-RUN npm install
+# Create a non-root user and switch to it
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S nestjs -u 1001
+RUN chown -R nestjs:nodejs /app
+USER nestjs
 
-# Expose the port your app runs on
+# Expose the port the app runs on
 EXPOSE 7860
 
-# Command to run your app in development mode
+# Command to run the application
 CMD ["npm", "run", "start:dev"]