services: Add gmnisrv web service.

* gnu/services/web.scm (<gmnisrv-configuration>): New record type.
(%default-gmnisrv-config-file): New variable.
(%gmnisrv-accounts, %gmnisrv-activation): New variables.
(gmnisrv-shepherd-service): New procedure.
(gmnisrv-service-type): New variable.
* doc/guix.texi (Web Services): Document it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index a8aa2de0a6..0a7857f0ea 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -81,6 +81,7 @@ Copyright @copyright{} 2020 R Veera Kumar@*
 Copyright @copyright{} 2020 Pierre Langlois@*
 Copyright @copyright{} 2020 pinoaffe@*
 Copyright @copyright{} 2020 André Batista@*
+Copyright @copyright{} 2020 Alexandru-Sergiu Marton@*
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -23549,6 +23550,40 @@ Thus, make sure to add @code{nss-certs} or another certificate package to the
 more information on X.509 certificates.
 @end quotation
 
+@subsubheading gmnisrv
+
+@cindex gmnisrv
+The @uref{https://git.sr.ht/~sircmpwn/gmnisrv, gmnisrv} program is a
+simple @uref{https://gemini.circumlunar.space/, Gemini} protocol server.
+
+@deffn {Scheme Variable} gmnisrv-service-type
+This is the type of the gmnisrv service, whose value should be a
+@code{gmnisrv-configuration} object, as in this example:
+
+@lisp
+(service gmnisrv-service-type
+         (gmnisrv-configuration
+           (config-file (local-file "./my-gmnisrv.ini"))))
+@end lisp
+@end deffn
+
+@deftp {Data Type} gmnisrv-configuration
+Data type representing the configuration of gmnisrv.
+
+@table @asis
+@item @code{package} (default: @var{gmnisrv})
+Package object of the gmnisrv server.
+
+@item @code{config-file} (default: @code{%default-gmnisrv-config-file})
+File-like object of the gmnisrv configuration file to use.  The default
+configuration listens on port 1965 and serves files from
+@file{/srv/gemini}.  Certificates are stored in
+@file{/var/lib/gemini/certs}.  For more information, run @command{man
+gmnisrv} and @command{man gmnisrv.ini}.
+
+@end table
+@end deftp
+
 @node Certificate Services
 @subsection Certificate Services