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doc: Add container example to run a web browser.

* doc/guix.texi (Invoking `guix environment'): Add paragraph and example to
  run Eolie in a guix environment container.  Add `container' cindex for the
  first container example, and the `certificates' cindex for the web browser
  example.
wip-gnome3.36
Pierre Neidhardt 2 years ago
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60131df02b
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  1. 17
      doc/guix.texi

17
doc/guix.texi

@ -4777,6 +4777,7 @@ additionally includes Git and strace:
guix environment --pure guix --ad-hoc git strace
@end example
@cindex container
Sometimes it is desirable to isolate the environment as much as
possible, for maximal purity and reproducibility. In particular, when
using Guix on a host distro that is not Guix System, it is desirable to
@ -4793,6 +4794,22 @@ guix environment --ad-hoc --container guile -- guile
The @code{--container} option requires Linux-libre 3.19 or newer.
@end quotation
@cindex certificates
Another typical use case for containers is to run security-sensitive
applications such as a web browser. To run Eolie, we must expose and
share some files and directories; we include @code{nss-certs} and expose
@file{/etc/sll/certs/} for HTTPS authentication; finally we preserve the
the @code{DISPLAY} environment variable since containerized graphical
applications won't display without it.
@example
guix environment --preserve='^DISPLAY$' --container --network \
--expose=/etc/machine-id \
--expose=/etc/ssl/certs/ \
--share=$HOME/.local/share/eolie/=$HOME/.local/share/eolie/ \
--ad-hoc eolie nss-certs dbus -- eolie
@end example
The available options are summarized below.
@table @code

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