use docker-compose healtcheck for DB

and use better condition for starting the other
dockers
taking into account Chris Lott comments

Change-Id: Ibfdbd26742e514c107532ae99b5c4fd2d05c1e2c
Issue-ID: PORTAL-95
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
1 file changed