docker: added defer to remove container.
docker: added defer to remove container.

RichardKnop/tsuru,ggarnier/tsuru,hcxiong/tsuru,tsuru/tsuru,guilhermebr/tsuru,cezarsa/tsuru,kgrvamsi/tsuru,cgvarela/tsuru,Endika/tsuru,mderaldo/tsuru,guilhermebr/tsuru,cgvarela/tsuru,hcxiong/tsuru,gciotta/tsuru,4eek/tsuru,tsuru/tsuru,guilhermebr/tsuru,4eek/tsuru,gwmoura/tsuru,Endika/tsuru,jblancett/tsuru,tuxmonteiro/tsuru,gwmoura/tsuru,jblancett/tsuru,hugoantunes/tsuru,gciotta/tsuru,cezarsa/tsuru,tsuru/tsuru,Endika/tsuru,gciotta/tsuru,ArxdSilva/tsuru,mderaldo/tsuru,jblancett/tsuru,guilhermebr/tsuru,tuxmonteiro/tsuru,cgvarela/tsuru,firebitsbr/tsuru,ArxdSilva/tsuru,tsuru/tsuru,hcxiong/tsuru,ggarnier/tsuru,RichardKnop/tsuru,mderaldo/tsuru,tuxmonteiro/tsuru,4eek/tsuru,RichardKnop/tsuru,cezarsa/tsuru,ggarnier/tsuru,hugoantunes/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,firebitsbr/tsuru,kgrvamsi/tsuru,firebitsbr/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,cezarsa/tsuru