[demo] app added as a simple demo

3 jobs for master in 1 minute and 42 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
failed #15517
build

00:01:42

 
  Unit Tests
skipped #15518
unit-tests
 
  Integration Tests
skipped #15519
integration-tests
 
Name Stage Failure
failed
build Build
$ cabal update
Config file path source is default config file.
Config file not found: /root/.cabal/config
Writing default configuration to /root/.cabal/config
Error: cabal: Cannot find the program 'ghc'. User-specified path 'ghc-9.4.8'
does not refer to an executable and the program is not on the system path.

Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1