RUN curl https://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | apt-key add -
RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ buster-pgdg main" | \
tee /etc/apt/sources.list.d/postgres.list
-RUN curl --silent --location https://deb.nodesource.com/setup_15.x | sudo bash -
+RUN curl --silent --location https://deb.nodesource.com/setup_16.x | sudo bash -
RUN apt -y update
# install these without recommends to avoid pulling in e.g.
# X11 libraries, mailutils