tree 613436b9f045a518dc8547368ece8947bb7eca97
parent a74f4b1d1a479ce8037c607a078175865ba2c8f7
author Welton Rodrigo Torres Nascimento <rodrigo@familianascimento.org> 1621297953 -0300
committer Welton Rodrigo Torres Nascimento <rodrigo@familianascimento.org> 1621355490 -0300

Add explanation about variable interpolation

This is a very useful feature for the docker world,
but couldn't find any information about it in the docs.

Co-authored-by: Brian Demers <brian.demers@gmail.com>