Terraform with Docker for Linux, OSX and Google Cloud Shell

docker-terraform.bash

function terraform()
{
    if [[ -e ${HOME}/.config/gcloud/credentials.json ]]; then
        GOOGLE_CREDENTIALS="$(cat ${HOME}/.config/gcloud/credentials.json | tr '\n' ' ')";
    fi;
    GOOGLE_PROJECT=${DEVSHELL_PROJECT_ID:-$(gcloud config get-value project 2>/dev/null)};
    VERSION=latest
    docker run -u "${UID}:${UID}" -it --rm -v ${HOME}:${HOME} --env-file <(env|awk '/^.+=/'|grep -v TMPDIR) -e GOOGLE_CREDENTIALS="${GOOGLE_CREDENTIALS}" -e GOOGLE_PROJECT="${GOOGLE_PROJECT}" -w $PWD hashicorp/terraform:${VERSION} $@
}