# Accept GOOS and GOARCH as build arguments ARG GOOS=linux ARG GOARCH=amd64 ARG BuiltAt ARG GoVersion ARG GitCommit ARG Version # Build stage FROM golang:1-alpine AS builder WORKDIR /app COPY . . RUN apk add --no-cache bash git go gcc musl-dev curl fuse RUN go build -ldflags="-s -w -X 'main.BuiltAt=${BuiltAt}' -X 'main.GoVersion=${GoVersion}' -X 'main.GitCommit=${GitCommit}' -X 'main.Version=${Version}'" -o zurg cmd/zurg/main.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 # Create a health check script that extracts the port from the config file RUN echo $'#!/bin/sh\n\ port=$(yaml read /app/config.yml port)\n\ nc -z localhost $port || exit 1' > /app/healthcheck.sh && \ chmod +x /app/healthcheck.sh # Final stage FROM alpine:3 WORKDIR /app # Copy the obfuscated binary from the obfuscator stage COPY --from=obfuscator /app/zurg . COPY --from=obfuscator /app/healthcheck.sh . # Copy the rest of the application files, including the config.yml COPY config.example.yml /app/config.yml # Install runtime dependencies and configure FUSE RUN apk add --no-cache fuse3 netcat-openbsd yaml-cpp curl \ && echo 'user_allow_other' >> /etc/fuse.conf HEALTHCHECK --interval=60s --timeout=60s --start-period=10s --retries=10 CMD /app/healthcheck.sh ENTRYPOINT ["./zurg"]