# Multi-stage build for MEV Bot V2

# Stage 1: Build
FROM golang:1.21-alpine AS builder

# Install build dependencies
RUN apk add --no-cache git make gcc musl-dev linux-headers

# Set working directory
WORKDIR /build

# Copy go mod files
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

# Update go.sum with all dependencies
RUN go mod tidy

# Build the application
RUN go build -o mev-bot-v2 -ldflags="-w -s" ./cmd/mev-bot-v2

# Stage 2: Runtime
FROM alpine:latest

# Install runtime dependencies
RUN apk add --no-cache ca-certificates tzdata

# Create non-root user
RUN addgroup -g 1000 mevbot && \
    adduser -D -u 1000 -G mevbot mevbot

# Set working directory
WORKDIR /app

# Copy binary from builder
COPY --from=builder /build/mev-bot-v2 .

# Create directories
RUN mkdir -p /app/logs /app/data && \
    chown -R mevbot:mevbot /app

# Switch to non-root user
USER mevbot

# Expose metrics port
EXPOSE 9090

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:9090/metrics || exit 1

# Run the application
ENTRYPOINT ["/app/mev-bot-v2"]