feat: add Docker configuration with production-ready setup

Dockerfile

@@ -0,0 +1,23 @@
+# Use Node.js LTS version
+FROM node:20-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy the rest of the application
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Expose the port the app runs on
+EXPOSE 3000
+
+# Start the application in production mode by default
+CMD ["npm", "start"]