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- add communication section
- remove systemd-nspawn section
Motiejus Jakštys 2 years ago committed by Motiejus Jakštys
parent a265915b21
commit d3933efd74

@ -23,16 +23,12 @@ Undocker has no dependencies outside Golang stdlib.
We recommend using [officially released binaries][3]. To build the project
instead, run:
You may use [officially released binaries][3], or build it:
$ make undocker
The number of officially released binaries is quite limited. If you'd like me
to expand a list, please contribute a patch to the Makefile.
Usage: convert docker image to rootfs
@ -60,30 +56,21 @@ On author's laptop converting a [1.1GB Docker image with 77
layers](https://hub.docker.com/r/homeassistant/home-assistant) takes around 3
seconds and uses ~65MB of residential memory.
Usage example: systemd-nspawn
Start with systemd-nspawn:
systemd-nspawn -D $PWD busybox httpd -vfp 8080
Usage example: plain old systemd
Usage example: systemd
systemd-run \
--wait --pty --collect --service-type=exec \
-p RootDirectory=$PWD \
-p ProtectProc=invisible \
-p PrivateUsers=true \
-p DynamicUser=yes \
-p ProtectProc=invisible \
-p RootDirectory=$PWD \
-- busybox httpd -vfp 8080
Good things like `PrivateUsers`, `DynamicUser`, `ProtectProc` and other
[systemd protections][1] are available, just like to any systemd unit.
[Systemd protections][1] like `PrivateUsers`, `DynamicUser`, `ProtectProc` and
others are available, just like to any systemd unit.
Similar Projects
@ -102,7 +89,7 @@ Contributions
The following contributions may be accepted:
- Pull requests (patchsets) with accompanying tests.
- Patchsets, with accompanying tests.
- Regression reports.
If you found a container that undocker cannot extract, or extracts incorrectly
@ -113,6 +100,12 @@ Reports of regression reports must provide examples of "works before" and "does
not work after". Issues without an accompanying patch will most likely be
Use [~motiejus/undocker@lists.sr.ht](mailto:~motiejus/undocker@lists.sr.ht) for
questions or patches. Subscribe [here][4].
@ -121,3 +114,4 @@ MIT
[1]: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
[2]: https://fly.io/blog/docker-without-docker/
[3]: http://git.sr.ht/~motiejus/undocker
[4]: https://lists.sr.ht/~motiejus/undocker