feat(cli): dockrize the application

Dockerfile

@@ -0,0 +1,35 @@
+# Stage 1: Build the application
+FROM node:16 AS build
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy the package.json and package-lock.json to install dependencies
+COPY package*.json ./
+
+# Install build dependencies
+RUN npm install
+
+# Copy the rest of the application source code
+COPY . .
+
+# Run any build steps (e.g., transpile or bundle the code)
+RUN npm run build  # Adjust this according to your build command
+
+# Stage 2: Production image
+FROM node:16-slim AS production
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy only the necessary files from the build stage
+COPY --from=build /usr/src/app /usr/src/app
+
+# Install production dependencies (optional, if you want to prune dev dependencies)
+RUN npm ci --only=production
+
+# Expose the port your app will run on
+EXPOSE 3000
+
+# Command to run the application
+CMD ["node", "generate-sitemap.js"]