ENV DEBIAN_FRONTEND noninteractive
# Install dependencies.
-RUN /usr/bin/apt-get update && /usr/bin/apt-get install -q -y python3 python3-setuptools python3-pip libcurl4-gnutls-dev curl git procps libattr1-dev libfuse-dev libgnutls28-dev libpq-dev unzip python3-venv python3-dev libpam-dev
+RUN /usr/bin/apt-get update && /usr/bin/apt-get install -q -y python3 python3-setuptools python3-pip libcurl4-gnutls-dev curl git procps libattr1-dev libfuse-dev libgnutls28-dev libpq-dev unzip python3-venv python3-dev libpam-dev equivs
# Install virtualenv
RUN /usr/bin/pip3 install 'virtualenv<20'