container, you may need to pass the @option{--privileged} option to
@code{docker create}.
+Last, the @code{--network} option applies to @command{guix system
+docker-image}: it produces an image where network is supposedly shared
+with the host, and thus without services like nscd or NetworkManager.
+
@item container
Return a script to run the operating system declared in @var{file}
within a container. Containers are a set of lightweight isolation
(define* (system-docker-image os
#:key
(name "guix-docker-image")
- (register-closures? (has-guix-service-type? os)))
+ (register-closures? (has-guix-service-type? os))
+ shared-network?)
"Build a docker image. OS is the desired <operating-system>. NAME is the
-base name to use for the output file. When REGISTER-CLOSURES? is true,
-register the closure of OS with Guix in the resulting Docker image. By
-default, REGISTER-CLOSURES? is set to true only if a service of type
-GUIX-SERVICE-TYPE is present in the services definition of the operating
-system."
+base name to use for the output file. When SHARED-NETWORK? is true, assume
+that the container will share network with the host and thus doesn't need a
+DHCP client, nscd, and so on.
+
+When REGISTER-CLOSURES? is true, register the closure of OS with Guix in the
+resulting Docker image. By default, REGISTER-CLOSURES? is set to true only if
+a service of type GUIX-SERVICE-TYPE is present in the services definition of
+the operating system."
(define schema
(and register-closures?
(local-file (search-path %load-path
(let ((os (operating-system-with-gc-roots
- (containerized-operating-system os '())
+ (containerized-operating-system os '()
+ #:shared-network?
+ shared-network?)
(list boot-program)))
(name (string-append name ".tar.gz"))
(graph "system-graph"))
(size image-size)
(operating-system os))))
((docker-image)
- (system-docker-image os))))
+ (system-docker-image os #:shared-network? container-shared-network?))))
(define (maybe-suggest-running-guix-pull)
"Suggest running 'guix pull' if this has never been done before."