Update Dockerfile, README.md, .gitlab-ci.yml files

4 jobs for main in 1 minute and 47 seconds (queued for 14 seconds)
Status Job ID Name Coverage
  Docker
failed docker-kaniko #24682

00:01:47

failed docker-kaniko #24681

00:00:36

failed docker-kaniko #24673

00:01:57

 
  Qa
skipped sonarqube-src-analysis #24674
 
Name Stage Failure
failed
docker-kaniko Docker
INFO[0039] Retrieving image manifest cloudsuite3/in-memory-analytics:4.0 
INFO[0040] Retrieving image manifest cloudsuite3/in-memory-analytics:4.0
INFO[0041] Executing 0 build triggers
INFO[0041] Checking for cached layer registry.res.eng.it/benchsuite/benchmarks/cloudsuite/in-memory-analytics/kcache:2fc682e44eaecac0242d488b3298da7ed3f87597ac344da51a4809c3cc14fdeb...
INFO[0042] No cached layer found for cmd COPY --from=datasource /data /data
INFO[0042] Unpacking rootfs as cmd COPY --from=datasource /data /data requires it.
INFO[0072] COPY --from=datasource /data /data
INFO[0078] Taking snapshot of files...
Cleaning up file based variables
ERROR: Job failed: pod "runner-kptecku4-project-158-concurrent-0t4zww" status is "Failed"