Adaptions to use public docker hub for images

2 jobs for master in 10 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
failed build #67

00:00:10

failed build #66

00:00:22

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
Waiting for services to be up and running...
Using docker image sha256:4347c87880445a5c367652d636a06d68f4067158023945e0265cb011197e3e01 for predefined container...
Pulling docker image docker:17 ...
Using docker image docker:17 ID=sha256:88c2796ff2835940789d0ada648d2a111279ebe3154902d8de9dc23d10db1b47 for build container...
Running on runner-ebf9113c-project-4-concurrent-0 via ff-build...
Cloning repository...
Cloning into '/builds/firmware/buildenv'...
fatal: unable to access 'https://gitlab-ci-token:xxxxxxxxxxxxxxxxxxxx@gitlab.ffka.tech/firmware/buildenv.git/': Couldn't connect to server
ERROR: Job failed: exit code 1