Criando imagem:

docker build --no-cache -t gembib .

Ambiente dev:

docker compose up

Comandos do laravel dentro do container:

cp .env.example .env
docker exec -u root -it gembib composer install
docker exec -u root -it gembib php artisan key:generate
docker exec -u root -it gembib php artisan migrate

Acessando os containers via ssh:

docker compose exec -u root gembib bash
docker compose exec -u root mariadb bash