anchor.diff:  # Dockerfile for Tor Relay Server with obfs4proxy
  +# Multi-Stage build
  +FROM golang:alpine AS go-build
  +
  +# Build obfs4proxy & meek-server
  +RUN go get -v git.torproject.org/pluggable-transports/obfs4.git/obfs4proxy \
  +    # /go/bin/obfs4proxy
  + && go get -v git.torproject.org/pluggable-transports/meek.git/meek-server \
  +    # /go/bin/meek-server
   
   FROM alpine:latest
   MAINTAINER Christian chriswayg@gmail.com
  
positive.code:       openssl-dev \
        xz-dev \
        zstd-dev
  
  # Create an unprivileged tor user
  RUN addgroup -g 19001 -S $TOR_USER && adduser -u 19001 -G $TOR_USER -S $TOR_USER
  
negative.code:     && rm -r tor-$TOR_VERSION \
      && rm $TOR_TARBALL_NAME \
      && rm $TOR_TARBALL_NAME.asc \
      && apk del \
        gnupg \
        build-base \
        gmp-dev \
  