# Simple Node.js backend Dockerfile
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Create a non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodeapp -u 1001

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production && npm cache clean --force

# Copy all application files
COPY . ./

# Create logs directory and set permissions
RUN mkdir -p logs && chown -R nodeapp:nodejs /app

# Switch to non-root user
USER nodeapp

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1

# 2. Fix Expose to match the app
EXPOSE 3000

# Start the application
CMD ["node", "server.js"]