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FreeBSD: Linux Container Support and BuildKit Integration #2425

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Aug 9, 2023
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FreeBSD: Linux Container Support and BuildKit Integration #2425

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17 changes: 8 additions & 9 deletions docs/freebsd.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,21 +14,20 @@ instructions in the respective repositories.

## Usage

You can use the `knast/freebsd` image to run a standard FreeBSD 13 jail:
You can use the `dougrabson/freebsd13.2-small` image to run a FreeBSD 13 jail:
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What's the difference?

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dougrabson/freebsd13.2-small is smaller, maintained and made by a person who actually knows how to build FreeBSD root filesystems.

knast/freebsd is made by me, and I don't really maintain it anymore.


```sh
nerdctl run --net none -it knast/freebsd:13-STABLE
nerdctl run --net none -it dougrabson/freebsd13.2-small
```

Alternatively use `--platform` parameter to run linux containers

```sh
nerdctl run --platform linux --net none -it amazonlinux:2
```


## Limitations & Bugs

- :warning: CNI & CNI plugins are not yet ported to FreeBSD. The only supported
network type is `none`
- :warning: buildkit is not yet ported to FreeBSD.
- [ ] https://github.com/tonistiigi/fsutil/pull/109 - buildkit dependency
- [ ] https://github.com/moby/moby/pull/42866 - buildkit dependency
- :warning: Linuxulator containers support is
WIP. https://github.com/containerd/nerdctl/issues/280 https://github.com/containerd/containerd/pull/5480

- :bug: `nerdctl compose` commands currently don't work. https://github.com/containerd/containerd/pull/5991
4 changes: 2 additions & 2 deletions pkg/buildkitutil/buildkitutil.go
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Expand Up @@ -144,8 +144,8 @@ func PingBKDaemon(buildkitHost string) error {
}

func pingBKDaemon(buildkitHost string) (output string, _ error) {
if runtime.GOOS != "linux" {
return "", errors.New("only linux is supported")
if runtime.GOOS != "linux" && runtime.GOOS != "freebsd" {
return "", errors.New("only linux and freebsd are supported")
}
buildctlBinary, err := BuildctlBinary()
if err != nil {
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