Com base no tutorial que se encontra no arquivo README.md, tentei fazer a instalação do I-Educar 2 no Ubuntu 18.04, porém, sem sucesso, visto que, no penúltimo passo, depois de ter feito a configuração do Phinx, rodei os seguintes comandos:
root@k2-Aspire-E5-571G:/home/k2/i-educar# docker-compose exec ieducar_1604 ieducar/vendor/bin/phinx seed:run -s StartingSeed -s StartingForeignKeysSeed
Phinx by Rob Morgan - https://phinx.org. 0.8.1
using config file ./phinx.php
using config parser php
using migration paths
/home/portabilis/ieducar/ieducar/misc/database/migrations
using seed paths
/home/portabilis/ieducar/ieducar/misc/database/seeds
warning no environment specified, defaulting to: development
using adapter pgsql
using database ieducar
== StartingSeed: seeding
In PdoAdapter.php line 338:
SQLSTATE[42710]: Duplicate object: 7 ERROR: role “ieducar” already exists