feat(docker): add containerization for production deployment

- Added Dockerfile with multi-stage build (Go 1.25rc1-alpine)
- Added docker-compose.yml for easy deployment
- Added .dockerignore for efficient builds
- Bot now runs in Podman/Docker container as intended

🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>

.dockerignore

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+# Binaries
+bin/
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test files
+*.test
+coverage.out
+coverage.html
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Git
+.git/
+.gitignore
+
+# Docker
+Dockerfile
+docker-compose.yml
+.dockerignore
+
+# Logs
+logs/
+*.log
+
+# Cache
+.gocache/
+.gomodcache/
+
+# Docs
+docs/
+CLAUDE.md
+README*.md
+PRODUCTION_READY.md
+*.md
+
+# Original V1
+orig/
+
+# Scripts (not needed in container)
+scripts/
+
+# Contracts (not needed in runtime)
+contracts/

Dockerfile

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+# MEV Flash Loan Bot - Production Dockerfile
+FROM golang:1.25rc1-alpine AS builder
+
+# Install build dependencies
+RUN apk add --no-cache git gcc musl-dev
+
+WORKDIR /build
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o mev-flashloan cmd/mev-flashloan/main.go
+
+# Final stage - minimal runtime image
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /build/mev-flashloan .
+
+# Create non-root user
+RUN addgroup -S mevbot && adduser -S mevbot -G mevbot
+USER mevbot
+
+# Expose metrics port (optional)
+EXPOSE 9090
+
+# Run the bot
+ENTRYPOINT ["./mev-flashloan"]
+CMD ["--min-profit", "10"]

docker-compose.yml

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+version: '3.8'
+
+services:
+  mev-bot:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: mev-flashloan:latest
+    container_name: mev-flashloan-bot
+    restart: unless-stopped
+    environment:
+      - ARBITRUM_RPC_URL=${ARBITRUM_RPC_URL:-https://arb1.arbitrum.io/rpc}
+      - PRIVATE_KEY=${PRIVATE_KEY}
+      - MIN_PROFIT_BPS=${MIN_PROFIT_BPS:-10}
+      - SCAN_INTERVAL=${SCAN_INTERVAL:-30s}
+      - MAX_GAS_PRICE=${MAX_GAS_PRICE:-1000000000}
+    command: ["--min-profit", "${MIN_PROFIT_BPS:-10}", "--interval", "${SCAN_INTERVAL:-30s}"]
+    networks:
+      - mev-network
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"
+
+networks:
+  mev-network:
+    driver: bridge