Fixed Dockerfile missing file
Fixed Dockerfile missing file

The Dockerfile was missing config.ini.example file, changed the script
to add it

marcusrehm/serenata-de-amor,marcusrehm/serenata-de-amor,datasciencebr/serenata-de-amor,datasciencebr/rosie,marcusrehm/serenata-de-amor,datasciencebr/serenata-de-amor,marcusrehm/serenata-de-amor