# Use Node.js 18 Alpine for smaller image size
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Copy package files
COPY package.json ./

# Install dependencies (npm install works without package-lock.json)
RUN npm install --omit=dev --no-audit --no-fund && npm cache clean --force

# Copy application code
COPY . .

# Create non-root user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S discordbot -u 1001

# Change ownership of the app directory
RUN chown -R discordbot:nodejs /app
USER discordbot

# Expose port (if needed for health checks)
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "console.log('Bot is running')" || exit 1

# Start the bot
CMD ["node", "index.js"]
