Merge branch 'improve-gitlab-ci' into 'master'

Improve gitlab ci

See merge request !21
12 jobs for master in 22 minutes and 31 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #702
buster-slim

00:00:41

passed #700
jessie-slim

00:00:41

passed #701
stretch-slim

00:00:38

 
  Check
passed #703
compile

00:00:48

passed #704
lint

00:01:05

passed #705
pep8

00:00:41

 
  Unit Test
passed #708
buster-ut

00:00:42

passed #706
jessie-ut

00:00:44

passed #707
stretch-ut

00:00:42

 
  Lets Encrypt Staging
passed #711
buster-le-staging

00:05:19

88.0%
passed #709
jessie-le-staging

00:05:13

passed #710
stretch-le-staging

00:05:13