provision/docker: fix variable shadowing
provision/docker: fix variable shadowing

guilhermebr/tsuru,tsuru/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,cezarsa/tsuru,cezarsa/tsuru,gwmoura/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,tsuru/tsuru,ggarnier/tsuru,cezarsa/tsuru,guilhermebr/tsuru,ggarnier/tsuru,guilhermebr/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,gwmoura/tsuru