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Add docker-standard ftp_proxy/FTP_PROXY env var, and socks-standard all_proxy/ALL_PROXY

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Signed-off-by: Avi Deitcher <avi@deitcher.net>
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Avi Deitcher
2019-09-03 10:12:53 +03:00
parent d9bdd77ba7
commit fad3354448
2 changed files with 36 additions and 1 deletions
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docs/packages.md
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@@ -151,3 +151,27 @@ linuxkit pkg build -org=wombat -disable-content-trust -hash=foo push
and this will create `wombat/<image>:foo-<arch>` and
`wombat/<image>:foo` for use in your YAML files.
### Proxies
If you are building packages from behind a proxy, `linuxkit pkg build` respects
the following environment variables, and will set them as `--build-arg` to
`docker build` when building a package.
* `http_proxy` / `HTTP_PROXY`
* `https_proxy` / `HTTPS_PROXY`
* `ftp_proxy` / `FTP_PROXY`
* `no_proxy` / `NO_PROXY`
* `all_proxy` / `ALL_PROXY`
Note that the first four of these are the standard built-in `build-arg` options available
for `docker build`; see the [docker build documentation](https://docs.docker.com/v17.09/engine/reference/builder/#arg).
The last, `all_proxy`, is a standard var used for socks proxying. Since it is not built into `docker build`,
if you want to use it, you will need to add the following line to the dockerfile:
```dockerfile
ARG all_proxy
```
Linuxkit does not judge between lower-cased or upper-cased variants of these options, e.g. `http_proxy` vs `HTTP_PROXY`,
as `docker build` does not either. It just passes them through "as-is".