<s>
RESTHeart	B-Language
is	O
a	O
Java	B-Language
open	O
source	O
Low	O
code	O
micro-services	O
Open	O
Platform	O
.	O
</s>
<s>
RESTHeart	B-Language
is	O
dual	O
licensed	O
under	O
the	O
AGPL	O
and	O
a	O
business	O
friendly	O
commercial	O
license	O
.	O
</s>
<s>
As	O
a	O
framework	O
for	O
building	O
HTTP	B-Protocol
micro-services	O
is	O
comparable	O
to	O
others	O
,	O
like	O
(	O
that	O
is	O
actually	O
internally	O
used	O
by	O
RESTHeart	B-Language
)	O
,	O
Micronaut	B-Application
and	O
Quarkus	B-Language
.	O
</s>
<s>
It	O
supports	O
different	O
programming	O
languages	O
,	O
including	O
Java	B-Language
,	O
Kotlin	B-Language
,	O
JavaScript	B-Language
and	O
TypeScript	B-Language
leveraging	O
the	O
polyglot	O
nature	O
of	O
the	O
GraalVM	B-Language
virtual	O
machine	O
.	O
</s>
<s>
As	O
a	O
point	O
of	O
distinction	O
between	O
RESTHeart	B-Language
and	O
other	O
popular	O
frameworks	O
,	O
it	O
ships	O
with	O
application-level	O
common	O
features	O
that	O
makes	O
it	O
a	O
Low	O
Code	O
Platform	O
:	O
</s>
<s>
Percona	O
Server	O
for	O
MongoDB	O
,	O
AWS	O
DocumentDB	O
and	O
Azure	O
Cosmos	O
DB	O
)	O
that	O
exposes	O
the	O
database	O
resources	O
through	O
a	O
comprehensive	O
set	O
of	O
REST	B-Protocol
,	O
GraphQL	B-Language
and	O
WebSocket	B-Protocol
APIs	I-Protocol
.	O
</s>
<s>
RESTHeart	B-Language
it	O
's	O
fully	O
implemented	O
in	O
Java	B-Language
and	O
embeds	O
Undertow	O
,	O
the	O
high	O
performance	O
HTTP	B-Protocol
server	O
which	O
is	O
one	O
of	O
the	O
core	O
components	O
of	O
the	O
Wildfly	B-Language
Application	O
Server	O
.	O
</s>
<s>
RESTHeart	B-Language
inherits	O
the	O
same	O
Undertow	O
's	O
pipeline	O
architecture	O
,	O
where	O
specialized	O
handlers	O
are	O
chained	O
together	O
to	O
serve	O
the	O
requests	O
.	O
</s>
<s>
The	O
module	O
restheart-core	O
is	O
the	O
foundation	O
of	O
the	O
platform	O
,	O
the	O
runtime	O
process	O
responsible	O
for	O
handling	O
the	O
core	O
services	O
,	O
parsing	O
the	O
configuration	O
,	O
registering	O
the	O
plugins	O
,	O
enforce	O
the	O
security	O
policy	O
,	O
route	O
requests	O
to	O
the	O
correct	O
Services	O
,	O
executing	O
Interceptors	O
and	O
Initializers	O
.	O
</s>
<s>
RESTHeart	B-Language
supports	O
the	O
GraalVM	B-Language
so	O
it	O
can	O
be	O
built	O
as	O
native	O
image	O
to	O
better	O
target	O
containerized	O
services	O
.	O
</s>
<s>
It	O
's	O
also	O
available	O
via	O
Docker	B-Language
containers	O
.	O
</s>
