FROM docker.io/debian:buster-slim
ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
    && apt-get -y upgrade \
    && apt-get -y install --no-install-recommends \
        ca-certificates \
        curl \
        unzip \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

ARG TERRAFORM_VERSION
ENV TERRAFORM_VERSION="${TERRAFORM_VERSION:-0.13.5}"
RUN useradd --create-home --shell /bin/bash terraform
USER terraform
COPY --chown=terraform:terraform . /home/terraform
RUN chmod +x /home/terraform/bin/* \
    && echo "export PATH=/home/terraform/bin:\${PATH}" >> "/home/terraform/.bashrc" \
    && /home/terraform/bin/tfw -version \
    && rm -f /home/terraform/.terraform/*.zip

VOLUME /home/terraform/source
WORKDIR /home/terraform/source
ENTRYPOINT ["/home/terraform/bin/tfw"]
CMD ["-help"]