Merge branch 'feature/add-docker' into 'master'

Dockerize CAS server

Closes #1

See merge request !1
3 jobs for master in 8 minutes and 41 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #7769
build

00:02:36

 
  Test
passed #7771
allowed to fail
code_quality

00:06:04

passed #7770
test

00:01:12