add docs for plugin (#10)

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://codeberg.org/woodpecker-plugins/plugin-docker-buildx/pulls/10
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6543 2022-08-30 22:29:48 +02:00
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---
name: Docker Buildx
icon: https://woodpecker-ci.org/img/logo.svg
description: plugin to build multiarch Docker images with buildx
---
Woodpecker CI plugin to build multiarch Docker images with buildx. This plugin is a fork of [thegeeklab/drone-docker-buildx](https://github.com/thegeeklab/drone-docker-buildx/) which itself is a fork of [drone-plugins/drone-docker](https://github.com/drone-plugins/drone-docker). You can find the full documentation at You can find the full documentation at [woodpecker-plugins.codeberg.page](https://woodpecker-plugins.codeberg.page/plugins/drone-docker-buildx).
## Features
- Build without push
- Use custom registries
- Build based on existing tags when needed.
## Settings
| Settings Name | Default | Description
| --------------------------| ----------------- | --------------------------------------------
| `dry-run` | `false` | disables docker push
| `repo` | *none* | sets repository name for the image
| `username` | *none* | sets username to authenticates with
| `password` | *none* | sets password / token to authenticates with
| `email` | *none* | sets email address to authenticates with
| `registry` | `https://index.docker.io/v1/` | sets docker registry to authenticate with
| `dockerfile` | `Dockerfile` | sets dockerfile to use for the image build
| `tag`/`tags` | @".tags" | sets repository tags to use for the image
| `platforms` | *none* | sets target platform for build
## Examples
```yml
publish-next-agent:
image: woodpeckerci/plugin-docker-buildx
secrets: [docker_username, docker_password]
settings:
repo: woodpeckerci/woodpecker-agent
dockerfile: docker/Dockerfile.agent.multiarch
platforms: windows/amd64,darwin/amd64,darwin/arm64,freebsd/amd64,linux/amd64,linux/arm64/v8
tag: next
when:
branch: ${CI_REPO_DEFAULT_BRANCH}
event: push
```
```yml
publish:
image: woodpeckerci/plugin-docker-buildx
settings:
platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm64/v8,linux/ppc64le,linux/riscv64,linux/s390x
repo: codeberg.org/${CI_REPO_OWNER}/hello
registry: codeberg.org
tags: latest
username: ${CI_REPO_OWNER}
password:
from_secret: cb_token
```
## Advanced Settings
| Settings Name | Default | Description
| --------------------------| ----------------- | --------------------------------------------
| `mirror` | *none* | sets a registry mirror to pull images
| `storage_driver` | *none* | sets the docker daemon storage driver
| `storage_path` | `/var/lib/docker` | sets the docker daemon storage path
| `bip` | *none* | allows the docker daemon to bride ip address
| `mtu` | *none* | sets docker daemon custom mtu setting
| `custom_dns` | *none* | sets custom docker daemon dns server
| `custom_dns_search` | *none* | sets custom docker daemon dns search domain
| `insecure` | `false` | allows the docker daemon to use insecure registries
| `ipv6` | `false` | enables docker daemon IPv6 support
| `experimental` | `false` | enables docker daemon experimental mode
| `debug` | `false` | enables verbose debug mode for the docker daemon
| `daemon_off` | `false` | disables the startup of the docker daemon
| `buildkit_config` | *none* | sets content of the docker buildkit json config
| `context` | `.` | sets the path of the build context to use
| `default_tags`/`auto_tag` | `false` | generates tag names automatically based on git branch and git tag
| `default_suffix"`/`auto_tag_suffix`| *none* | generates tag names with the given suffix
| `build_args` | *none* | sets custom build arguments for the build
| `build_args_from_env` | *none* | forwards environment variables as custom arguments to the build
| `quiet` | `false` | enables suppression of the build output
| `target` | *none* | sets the build target to use
| `cache_from` | *none* | sets images to consider as cache sources
| `pull_image` | `true` | enforces to pull base image at build time
| `compress` | `false` | enables compression of the build context using gzip
| `config` | *none* | sets content of the docker daemon json config
| `purge` | `true` | enables cleanup of the docker environment at the end of a build
| `no_cache` | `false` | disables the usage of cached intermediate containers
| `add_host` | *none* | sets additional host:ip mapping