updates

Dockerfile

@@ -0,0 +1,20 @@
+# Set Node.js version
+FROM node:16
+
+# Set working directory
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy source code
+COPY . .
+
+# Expose port 3000
+EXPOSE 3000
+
+# Run the app
+CMD ["npm", "run", "build", "&&", "npm", "start"]