Change owner while copy (#7552)
Change owner while copy (#7552)

* Change owner while copy

Copy all files and chown them in a 2nd layer leads to a larger image.
See layer 22 and 26 of https://hub.docker.com/layers/snipe/snipe-it/v4.7.8/images/sha256-67c865d91df1b90cef1112f12bbc9c64402dfeafde0bdb160c4f07e785ee0bcc

* Copy docker.env as user docker
mtucker6784/snipe-it,uberbrady/snipe-it,snipe/snipe-it,mtucker6784/snipe-it,snipe/snipe-it,snipe/snipe-it,mtucker6784/snipe-it,uberbrady/snipe-it,uberbrady/snipe-it,mtucker6784/snipe-it,uberbrady/snipe-it,snipe/snipe-it,uberbrady/snipe-it,mtucker6784/snipe-it