<s>
gCube	O
is	O
an	O
open	B-License
source	I-License
software	O
system	O
specifically	O
designed	O
and	O
developed	O
to	O
enact	O
the	O
building	O
and	O
operation	O
of	O
a	O
Data	B-Application
Infrastructure	I-Application
providing	O
their	O
users	O
with	O
a	O
rich	O
array	O
of	O
services	O
suitable	O
for	O
supporting	O
the	O
co-creation	O
of	O
Virtual	O
Research	O
Environments	O
and	O
promoting	O
the	O
implementation	O
of	O
open	O
science	O
workflows	O
and	O
practices	O
.	O
</s>
<s>
It	O
is	O
at	O
the	O
heart	O
of	O
the	O
D4Science	B-General_Concept
Data	B-Application
Infrastructure	I-Application
.	O
</s>
<s>
In	O
addition	O
,	O
it	O
consists	O
of	O
a	O
set	O
of	O
software	B-Library
libraries	I-Library
supporting	O
service	O
development	O
,	O
service-to-service	O
integration	O
,	O
and	O
service	O
capabilities	O
extension	O
,	O
and	O
a	O
set	O
of	O
portlets	B-Language
dedicated	O
to	O
realise	O
user	O
interface	O
constituents	O
facilitating	O
the	O
exploitation	O
of	O
one	O
or	O
more	O
services	O
.	O
</s>
<s>
The	O
set	O
of	O
components	O
dealing	O
with	O
Identity	O
and	O
Access	O
Management	O
rely	O
on	O
Keycloak	B-Language
and	O
federates	O
other	O
IDMs	O
thus	O
making	O
the	O
overall	O
Authentication	O
and	O
the	O
Authorization	O
management	O
compliant	O
with	O
open	O
standards	O
such	O
as	O
OAuth2	O
,	O
User-Managed	O
Access	O
(	O
UMA	O
)	O
,	O
and	O
OpenID	O
Connect	O
(	O
OIDC	O
)	O
protocols	O
.	O
</s>
<s>
Its	O
Continuous	O
Integration/Continuous	O
Delivery	O
pipeline	O
implemented	O
by	O
Jenkins	B-Language
represents	O
an	O
innovative	O
approach	O
to	O
software	O
delivering	O
conceived	O
to	O
be	O
scalable	O
and	O
easy	O
to	O
maintain	O
and	O
upgrade	O
at	O
a	O
minimal	O
cost	O
(	O
)	O
.	O
</s>
