add PostgreSQL Apt Repository to Dockerfile
FROM ubuntu:bionic
+RUN apt-get update && apt-get install -y --no-install-recommends \
+ curl \
+ ca-certificates \
+ gnupg \
+ lsb-release
+
+RUN curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
+ sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
cmake \
