creating files with the expected uid/gid in a docker local volume

gistfile1.txt

glehmann@gbook:/tmp/test$ docker run -v .:/app alpine touch /app/foo
glehmann@gbook:/tmp/test$ ls -lh
total 0
-rw-r--r-- 1 root root 0 janv. 21 09:48 foo
glehmann@gbook:/tmp/test$ docker run -u $(id -u):$(id -g) -v .:/app alpine touch /app/bar
glehmann@gbook:/tmp/test$ ls -lh
total 0
-rw-r--r-- 1 glehmann glehmann 0 janv. 21 09:48 bar
-rw-r--r-- 1 root     root     0 janv. 21 09:48 foo