demo using docker to compile terraform master branch

Dockerfile-gobuilder.sh

#!/usr/bin/env bash
#
# this will cross-compile terraform from source and drop the zipped
# packages in ./build
#
# this is only an exercise for docker, it is not a recommended usage
# of anything
#
mkdir -p ./build
cat<<-EOF | docker build --rm -t my/gobuilder  -
FROM golang

RUN set -x \
      && apt-get update \
      && apt-get install -y zip unzip \
      && apt-get clean
      
RUN set -x \
      && go get github.com/hashicorp/terraform

EOF
docker run --rm -it -v "$(pwd)":/host my/gobuilder /bin/bash -cx '
cd /go/src/github.com/hashicorp/terraform &&
  git pull &&
  XC_OS="linux darwin" XC_ARCH="amd64" make bin &&
  cp /go/src/github.com/hashicorp/terraform/pkg/*.zip /host/build'