build the final stage of the Dockerfile (including COPY ...) if no BIND_DIR
is used.
if BIND_DIR is used, build the dev stage, thus skipping the COPY.
Original author: @thaJeztah
Signed-off-by: Mohammad Nasirifar <farnasirim@gmail.com>
(cherry picked from commit e6d7df2e5d313800414b955e10a26d6687e7a1bf)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: e5a039169f389120be3fbc2a9db45ef8bc99eae5
Component: engine
e6d06f7160