added dockerfile

Dockerfile

@@ -0,0 +1,23 @@
+# Use an official Node.js LTS (Long Term Support) image as the base image
+FROM node:20-alpine
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json to the working directory
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application code to the working directory
+COPY . .
+
+# Build the Next.js app for production
+RUN npm run build
+
+# Expose the port that the app will run on
+EXPOSE 3000
+
+# Start the Next.js app
+CMD ["npm", "start"]