# Accept GOOS and GOARCH as build arguments
ARG GOOS=linux
ARG GOARCH=amd64

# Build stage
FROM golang:1-alpine AS builder
WORKDIR /app
COPY . .
RUN CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} go build -ldflags="-s -w" -o zurg cmd/zurg/zurg.go

# Obfuscation stage
FROM alpine:3 AS obfuscator
WORKDIR /app
COPY --from=builder /app/zurg .
RUN apk add --no-cache upx
RUN upx --brute zurg

# Final stage
FROM alpine:3
WORKDIR /app
COPY --from=obfuscator /app/zurg .
ENTRYPOINT ["./zurg"]