Me he encontrado con el siguiente error al hacer el último deploy del blog.
git push dokku master Counting objects: 1192, done. Delta compression using up to 4 threads. Compressing objects: 100% (1154/1154), done. Writing objects: 24% (287/1192) Writing objects: 100% (1192/1192), 3.44 MiB | 443.00 KiB/s, done. Total 1192 (delta 864), reused 12 (delta 0) remote: Resolving deltas: 100% (864/864), completed with 801 local objects. -----> Cleaning up... -----> Building lesolivex from herokuish... -----> Adding BUILD_ENV to build environment... -----> PHP app detected remote: -----> Bootstrapping... remote: remote: ! ERROR: Failed to download minimal PHP for bootstrapping! remote: ! remote: ! This is most likely a temporary internal error. If the problem remote: ! persists, make sure that you are not running a custom or forked remote: ! version of the Heroku PHP buildpack which may need updating.
Solución
Entramos en servidor y actualizamos herokuish.
sudo docker pull gliderlabs/herokuish:latest