Merge branch 'fix/docs-makefile' into 'master'

docs: make varaibles environment-aware

See merge request !937
3 jobs for master in 1 minute and 17 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Test
passed #5742
pycodestyle

00:00:18

passed #5743
shellcheck

00:00:22

passed #5741
unit_tests

00:00:37