# Use official Node.js image
FROM node:20-alpine

# Set working directory
WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./

# Install dependencies
RUN npm install --production

# Copy source code
COPY src ./src

# Set executable permissions for CLI
RUN chmod +x ./src/index.js

# Set entrypoint for npx-style usage
ENTRYPOINT ["node", "src/index.js"]