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README.md
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@ -19,12 +19,7 @@ a [BuildKit](https://github.com/moby/buildkit) container.
___
* [Usage](#usage)
* [Advanced usage](#advanced-usage)
* [Authentication support](docs/advanced/auth.md)
* [Append additional nodes to the builder](docs/advanced/append-nodes.md)
* [Install by default](docs/advanced/install-default.md)
* [BuildKit daemon configuration](docs/advanced/buildkit-config.md)
* [Standalone mode](docs/advanced/standalone.md)
* [Configuring your builder](#configuring-your-builder)
* [Customizing](#customizing)
* [inputs](#inputs)
* [outputs](#outputs)
@ -59,13 +54,9 @@ jobs:
uses: docker/setup-buildx-action@v2
```
## Advanced usage
## Configuring your builder
* [Authentication support](docs/advanced/auth.md)
* [Append additional nodes to the builder](docs/advanced/append-nodes.md)
* [Install by default](docs/advanced/install-default.md)
* [BuildKit daemon configuration](docs/advanced/buildkit-config.md)
* [Standalone mode](docs/advanced/standalone.md)
See https://docs.docker.com/build/ci/github-actions/configure-builder/
## Customizing
@ -153,20 +144,7 @@ The following [official docker environment variables](https://docs.docker.com/en
### BuildKit container logs
To display BuildKit container logs (when `docker-container` driver is used) you have to [enable step debug logging](https://docs.github.com/en/actions/managing-workflow-runs/enabling-debug-logging#enabling-step-debug-logging),
or you can also enable debugging in the [setup-buildx action step](https://github.com/docker/setup-buildx-action):
```yaml
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
buildkitd-flags: --debug
```
Logs will be available at the end of a job:
![BuildKit container logs](.github/buildkit-container-logs.png)
See https://docs.docker.com/build/ci/github-actions/configure-builder/#buildkit-container-logs
## Keep up-to-date with GitHub Dependabot

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docs/advanced/append-nodes.md
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@ -1,56 +1,3 @@
# Append additional nodes to the builder
Buildx also supports running builds on multiple machines. This is useful for
building [multi-platform images](https://docs.docker.com/build/building/multi-platform/)
on native nodes for more complicated cases that are not handled by QEMU and
generally have better performance or for distributing the build across multiple
machines.
You can append nodes to the builder that is going to be created with the
`append` input in the form of a YAML string document to remove limitations
intrinsically linked to GitHub Actions (only string format is handled in the
input fields):
| Name | Type | Description |
|-------------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `name` | String | [Name of the node](https://docs.docker.com/engine/reference/commandline/buildx_create/#node). If empty, it is the name of the builder it belongs to, with an index number suffix. This is useful to set it if you want to modify/remove a node in an underlying step of you workflow. |
| `endpoint` | String | [Docker context or endpoint](https://docs.docker.com/engine/reference/commandline/buildx_create/#description) of the node to add to the builder |
| `driver-opts` | List | List of additional [driver-specific options](https://docs.docker.com/engine/reference/commandline/buildx_create/#driver-opt) |
| `buildkitd-flags` | String | [Flags for buildkitd](https://docs.docker.com/engine/reference/commandline/buildx_create/#buildkitd-flags) daemon |
| `platforms` | String | Fixed [platforms](https://docs.docker.com/engine/reference/commandline/buildx_create/#platform) for the node. If not empty, values take priority over the detected ones. |
Here is an example using remote nodes with the [`remote` driver](https://docs.docker.com/build/building/drivers/remote/)
and [TLS authentication](auth.md#tls-authentication):
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
driver: remote
endpoint: tcp://oneprovider:1234
append: |
- endpoint: tcp://graviton2:1234
platforms: linux/arm64
- endpoint: tcp://linuxone:1234
platforms: linux/s390x
env:
BUILDER_NODE_0_AUTH_TLS_CACERT: ${{ secrets.ONEPROVIDER_CA }}
BUILDER_NODE_0_AUTH_TLS_CERT: ${{ secrets.ONEPROVIDER_CERT }}
BUILDER_NODE_0_AUTH_TLS_KEY: ${{ secrets.ONEPROVIDER_KEY }}
BUILDER_NODE_1_AUTH_TLS_CACERT: ${{ secrets.GRAVITON2_CA }}
BUILDER_NODE_1_AUTH_TLS_CERT: ${{ secrets.GRAVITON2_CERT }}
BUILDER_NODE_1_AUTH_TLS_KEY: ${{ secrets.GRAVITON2_KEY }}
BUILDER_NODE_2_AUTH_TLS_CACERT: ${{ secrets.LINUXONE_CA }}
BUILDER_NODE_2_AUTH_TLS_CERT: ${{ secrets.LINUXONE_CERT }}
BUILDER_NODE_2_AUTH_TLS_KEY: ${{ secrets.LINUXONE_KEY }}
```
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/configure-builder/#append-additional-nodes-to-the-builder)

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docs/advanced/auth.md
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@ -1,64 +1,3 @@
# Authentication support
## SSH authentication
To be able to connect to an SSH endpoint using the [`docker-container` driver](https://docs.docker.com/build/building/drivers/docker-container/),
you have to set up the SSH private key and configuration on the GitHub Runner:
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Set up SSH
uses: MrSquaare/ssh-setup-action@523473d91581ccbf89565e12b40faba93f2708bd # v1.1.0
with:
host: graviton2
private-key: ${{ secrets.SSH_PRIVATE_KEY }}
private-key-name: aws_graviton2
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
endpoint: ssh://me@graviton2
```
## TLS authentication
You can also [set up a remote BuildKit instance](https://docs.docker.com/build/building/drivers/remote/#remote-buildkit-in-docker-container)
using the remote driver. To ease the integration in your workflow, we put in
place environment variables that will set up authentication using the BuildKit
client certificates for the `tcp://` endpoint where `<idx>` is the position of
the node in the list of nodes:
* `BUILDER_NODE_<idx>_AUTH_TLS_CACERT`
* `BUILDER_NODE_<idx>_AUTH_TLS_CERT`
* `BUILDER_NODE_<idx>_AUTH_TLS_KEY`
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
driver: remote
endpoint: tcp://graviton2:1234
env:
BUILDER_NODE_0_AUTH_TLS_CACERT: ${{ secrets.GRAVITON2_CA }}
BUILDER_NODE_0_AUTH_TLS_CERT: ${{ secrets.GRAVITON2_CERT }}
BUILDER_NODE_0_AUTH_TLS_KEY: ${{ secrets.GRAVITON2_KEY }}
```
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/configure-builder/#authentication-for-remote-builders)

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@ -1,67 +1,3 @@
# BuildKit daemon configuration
You can provide a [BuildKit configuration](https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md)
to your builder if you're using the [`docker-container` driver](https://docs.docker.com/build/building/drivers/docker-container/)
(default) with the `config` or `config-inline` inputs:
## Registry mirror
You can configure a registry mirror using an inline block directly in your
workflow with the `config-inline` input:
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Checkout
uses: actions/checkout@v3
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
config-inline: |
[registry."docker.io"]
mirrors = ["mirror.gcr.io"]
```
## Max parallelism
You can limit the parallelism of the BuildKit solver which is particularly
useful for low-powered machines.
You can use the `config-inline` input like the previous example, or you can use
a dedicated BuildKit config file from your repo if you want with the
`config` input:
```toml
# .github/buildkitd.toml
[worker.oci]
max-parallelism = 4
```
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Checkout
uses: actions/checkout@v3
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
config: .github/buildkitd.toml
```
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/configure-builder/#daemon-configuration)

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docs/advanced/install-default.md
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@ -1,28 +0,0 @@
# Install by default
If you want set up the `docker build` command as an alias to
`docker buildx build`:
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Checkout
uses: actions/checkout@v3
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
install: true
-
name: Build
run: |
docker build . # will run buildx
```

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@ -1,29 +1,3 @@
# Standalone mode
If you don't have the Docker CLI installed on the GitHub Runner, Buildx binary
is invoked directly, instead of calling it as a docker plugin. This can be
useful if you want to use the `kubernetes` driver in your self-hosted runner:
```yaml
name: ci
on:
push:
jobs:
buildx:
runs-on: ubuntu-latest
steps:
-
name: Checkout
uses: actions/checkout@v3
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
driver: kubernetes
-
name: Build
run: |
buildx build .
```
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/configure-builder/#standalone-mode)