FROM node:22-alpine

ENV NODE_ENV=production

# Set the working directory
WORKDIR /usr/app

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

# Install dependencies
RUN npm install

# Change ownership to the non-root user
RUN chown -R node:node /usr/app

# Copy the rest of the application code
COPY . .

# Build the application
RUN npm run build

# Expose the application port
EXPOSE 3003

# Run container as non-root (unprivileged) user
# The "node" user is provided in the Node.js Alpine base image
USER node

# Command to run the application
CMD ["node", "index.js"]