Dockerfile

# Multi-stage Docker build for NeuroTruth Professional Polygraph System

# Build stage
FROM node:18-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./
COPY vite.config.ts ./
COPY vite.config.server.ts ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:18-alpine AS production

# Install security updates
RUN apk update && apk upgrade && apk add --no-cache dumb-init

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

WORKDIR /app

# Copy package files
COPY package*.json ./

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

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/client/dist ./client/dist
COPY --from=builder /app/server/dist ./server/dist

# Copy static files
COPY --from=builder /app/public ./public

# Set ownership
RUN chown -R neurotruth:nodejs /app

# Switch to non-root user
USER neurotruth

# Expose port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:8080/api/ping', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"

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

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