drone-docker-buildx/content/_index.md

title
drone-docker-buildx

Drone plugin to build and publish multiarch Docker images with buildx.

{{< toc >}}

Versioning

The tags follow the major version of Docker, e.g. 20, and the minor and patch parts reflect the version of the plugin. A full example would be 20.12.5. Minor versions can introduce breaking changes, while patch versions can be considered non-breaking.

Usage

{{< hint type=important >}} Be aware that the this plugin requires privileged capabilities, otherwise the integrated Docker daemon is not able to start. {{< /hint >}}

kind: pipeline
name: default

steps:
  - name: docker
    image: thegeeklab/drone-docker-buildx
    privileged: true
    settings:
      username: octocat
      password: secure
      repo: octocat/example
      tags: latest

Parameters

{{< propertylist name=drone-docker-buildx.data sort=name >}}

Examples

Push to other registries than DockerHub:

If the created image is to be pushed to registries other than the default DockerHub, it is necessary to set registry and repo as fully-qualified name.

kind: pipeline
name: default

steps:
  - name: docker
    image: thegeeklab/drone-docker-buildx
    privileged: true
    settings:
      registry: ghcr.io
      username: octocat
      password: secret-access-token
      repo: ghcr.io/octocat/example
      tags: latest

Build

Build the binary with the following command:

export GOOS=linux
export GOARCH=amd64
export CGO_ENABLED=0
export GO111MODULE=on

make build

Build the Docker image with the following command:

docker build --file docker/Dockerfile.amd64 --tag thegeeklab/drone-docker-buildx .

Test

docker run --rm \
  -e PLUGIN_TAG=latest \
  -e PLUGIN_REPO=octocat/hello-world \
  -e DRONE_COMMIT_SHA=00000000 \
  -v $(pwd):$(pwd) \
  -w $(pwd) \
  --privileged \
  thegeeklab/drone-docker-buildx --dry-run