Really fix docker image building
Really fix docker image building

sgebbie/ponyc,sgebbie/ponyc,kulibali/ponyc,cquinn/ponyc,ponylang/ponyc,cquinn/ponyc,ponylang/ponyc,jemc/ponyc,dipinhora/ponyc,kulibali/ponyc,cquinn/ponyc,sgebbie/ponyc,jemc/ponyc,cquinn/ponyc,kulibali/ponyc,kulibali/ponyc,sgebbie/ponyc,dipinhora/ponyc,dipinhora/ponyc,sgebbie/ponyc,ponylang/ponyc,jemc/ponyc