Dockerfile

# Multi-stage build for production optimization
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

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

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY client ./client
COPY server ./server
COPY shared ./shared

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS production

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

# Create app user
RUN addgroup -g 1001 -S nodejs
RUN adduser -S chittychain -u 1001

# Set working directory
WORKDIR /app

# Copy package files and install production dependencies
COPY package*.json ./
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/ChittyChain ./ChittyChain

# Create necessary directories
RUN mkdir -p logs uploads && \
    chown -R chittychain:nodejs /app

# Switch to non-root user
USER chittychain

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:5000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })" || exit 1

# Start the application
ENTRYPOINT ["dumb-init", "--"]
CMD ["node", "dist/index.js"]