Dockerfile.prod

# Production Dockerfile - Multi-stage build for optimal size
FROM node:20-alpine AS builder

# Install build dependencies
RUN apk add --no-cache python3 make g++

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev)
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

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

WORKDIR /app

# Copy built application
COPY --from=builder --chown=nodejs:nodejs /app/dist ./dist
COPY --from=builder --chown=nodejs:nodejs /app/convex ./convex
COPY --from=builder --chown=nodejs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nodejs:nodejs /app/package*.json ./

# Copy static files
COPY --chown=nodejs:nodejs index.html ./
COPY --chown=nodejs:nodejs public ./public

# Switch to non-root user
USER nodejs

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {r.statusCode === 200 ? process.exit(0) : process.exit(1)})"

# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]

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