Dockerfile uses a PostgreSQL apt repository that no longer exists

A build step failed (exit code 100). The full output is in the deploy log.

Seen1 times
WhereDockerfile

Why it happens

The project's Dockerfile is based on Ubuntu 16.04 (xenial) and adds the PostgreSQL apt repository for xenial, which is gone, so apt-get update fails.

What the log looks like

Deploy log
#12 ERROR: process "/bin/sh -c apt-get update" did not complete successfully: exit code: 100WARNING: current commit information was not captured by the build: failed to read current commit information with git rev-parse --is-inside-work-treeDockerfile:11--------------------9 |     RUN add-apt-repository 'deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main' -y10 |     RUN wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -11 | >>> RUN apt-get update12 |     RUN apt-get install -y postgresql-1013 |     RUN pip3 install -Ur requirements.txt-----…

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