Document on how to integrate with docker/build-push-action (#90)

This change adds some extra clarification to the documentation to show how to setup the `docker/build-push-action` step with this action. This is very helpful when using buildkit's `RUN --mount=type=ssh`. We found this to be a little confusing and the GH issues we found on the matter didn't help!

Co-authored-by: Matthias Pigulla <mp@webfactory.de>
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John Hamelink 2021-11-18 11:27:08 +00:00 committed by GitHub
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@ -101,6 +101,19 @@ If you know that your favorite tool or platform of choice requires extra tweaks
If you are using this action on container-based workflows, make sure the container has the necessary SSH binaries or package(s) installed.
### Using the `docker/build-push-action` Action
If you are using the `docker/build-push-action`, and would like to pass the SSH key, you can do so by adding the following config to pass the socket file through:
```
- name: Build and push
id: docker_build
uses: docker/build-push-action@v2
with:
ssh: |
default=${{ env.SSH_AUTH_SOCK }}
```
### Cargo's (Rust) Private Dependencies on Windows
If you are using private repositories in your dependencies like this: