tree f572976a34a8f1338eea62b670952a9215f26499
parent f4db79197c0f9871241b0eaeea1b8af53e7bb994
author Nick Vatamaniuc <vatamane@gmail.com> 1652132122 -0400
committer Nick Vatamaniuc <vatamane@gmail.com> 1652132602 -0400
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Simplify Makefile and update CI

Remove `app` file and allow specifying a different REBAR executable
so we can test both rebar2 and rebar3.

Since OTP team provides docker images we can use those for CI. They seem to be
a bit more recent than ESL packages and also provide `rebar` and `rebar3`
commands.