# Use the official Node.js image with Alpine
FROM node:alpine

# Create and change to the app directory
WORKDIR /usr/src/app

# Copy package.json and package-lock.json files to the working directory
COPY package*.json ./

# Install the dependencies
RUN npm install

# Copy the application source
COPY . .

# Expose the MQTT port
EXPOSE 1883

# Run the MQTT broker
CMD ["node", "broker.js"]