Dockerfile

# 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
RUN npm ci --only=production

# Copy source code
COPY . .

# Build the TypeScript project
RUN npm run build

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

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

# Expose port
EXPOSE 3000

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:3000/health || exit 1

# Start the server
CMD ["npm", "start"]