content: FROM jenkins/jenkins:lts
  USER root
  RUN apt-get update && apt-get install -y docker.io
  # Install docker-compose
  RUN curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose \
      && chmod +x /usr/local/bin/docker-compose
  RUN usermod -aG docker jenkins
  USER jenkins 