Dockerfile

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy node_modules from builder
COPY --from=builder /app/node_modules ./node_modules

# Copy application files
COPY package*.json ./
COPY server ./server
COPY public ./public

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

USER callsheet

# Expose port
EXPOSE 3000

# Set environment
ENV NODE_ENV=production

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

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