Add Docker

Dockerfile

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+# Use an official Node runtime as the base image
+FROM node:20-alpine
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json (if available)
+COPY package*.json ./
+
+# Install all dependencies including 'devDependencies'
+RUN npm install
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the app
+RUN npm run build
+
+# Install a simple server to serve static content
+RUN npm install -g serve
+
+# Expose the port the app runs on
+EXPOSE 3000
+
+# Serve the app
+CMD ["serve", "-s", "dist", "-l", "3000"]