Dockerfile

# Multi-stage Dockerfile for MEV Arbitrage Bot
FROM node:18-alpine AS base

# Install system dependencies
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    git

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./

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

# Copy source code
COPY src/ ./src/
COPY contracts/ ./contracts/
COPY hardhat.config.ts ./

# Build TypeScript
RUN npm run build

# =============================================================================
# Mempool Monitor Service
# =============================================================================
FROM base AS mempool-monitor
EXPOSE 3001
CMD ["node", "dist/services/mempool-monitor/index.js"]

# =============================================================================
# Arbitrage Engine Service
# =============================================================================
FROM base AS arbitrage-engine
EXPOSE 3002
CMD ["node", "dist/services/arbitrage-engine/index.js"]

# =============================================================================
# MEV Execution Service
# =============================================================================
FROM base AS mev-execution
EXPOSE 3003
CMD ["node", "dist/services/mev-execution/index.js"]

# =============================================================================
# Monitoring Service
# =============================================================================
FROM base AS monitoring
EXPOSE 3000
CMD ["node", "dist/services/monitoring/index.js"]

# =============================================================================
# Development Image
# =============================================================================
FROM base AS development
RUN npm install
EXPOSE 3000 3001 3002 3003
CMD ["npm", "run", "dev"]