Changed to debian image - it's smaller

3 jobs for master in 1 minute and 40 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #394
C
build:7-8.1

00:00:11

 
  Test
passed #395
C
test:7-8.1

00:00:23

 
  Docker
passed #396
docker
docker:7-8.1

00:01:05