FROM ubuntu:20.04 ENV DEBIAN_FRONTEND=noninteractive RUN apt update && apt install software-properties-common -y \ && add-apt-repository ppa:git-core/ppa -y \ && apt install -y git ADD ["https://github.com/thoughtworks/talisman/releases/download/v1.30.0/talisman_linux_amd64", "/talisman"] RUN chmod +x /talisman COPY entrypoint.sh /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"]