Initial draft of plugin.

.woodpecker/build.yaml

@@ -0,0 +1,45 @@
+when:
+  event: [manual, push, pull_request]
+  branch: main
+  path: [.woodpecker/build.yaml, .woodpecker/test.yaml, .woodpecker/push.yaml, Dockerfile, Dockerfile.dockerignore, entrypoint.sh]
+
+services:
+  - name: dockerd
+    image: kokuwaio/dockerd:rootless
+    ports: [2375]
+    privileged: true
+
+steps:
+  build-linux:
+    depends_on: [init]
+    image: kokuwaio/docker-cli
+    commands:
+      - docker login
+      - docker buildx create --platform=linux/amd64,linux/arm64 --driver=docker-container --use
+      - docker buildx build .
+          --push
+          --tag=ci-registry.schnabel.org/kokuwaio/dockerd:$CI_PIPELINE_NUMBER
+          --platform=linux/amd64,linux/arm64
+          --cache-from=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:refs_heads_main
+          --cache-from=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:$CI_COMMIT_SHA
+          --cache-from=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:${CI_COMMIT_REF//\//_}
+          --cache-to=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:$CI_COMMIT_SHA,mode=max,compression=zstd
+          --cache-to=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:${CI_COMMIT_REF//\//_},mode=max,compression=zstd
+          --label=org.opencontainers.image.title="Docker daemon"
+          --label=org.opencontainers.image.description="Docker daemon for usage in Woodpecker CI"
+          --label=org.opencontainers.image.url=$CI_REPO_URL
+          --label=org.opencontainers.image.documentation=$CI_REPO_URL
+          --label=org.opencontainers.image.source=$CI_REPO_CLONE_URL
+          --label=org.opencontainers.image.vendor=kokuwa.io
+          --label=org.opencontainers.image.licenses=GPL-3.0-or-later
+
+export BUILDX_EXPERIMENTAL=1
+export CI_PIPELINE_NUMBER=88
+export CI_COMMIT_SHA=123
+export CI_COMMIT_REF=refs-heads-main
+docker buildx build . \
+          --push \
+          --tag=ci-registry.schnabel.org/kokuwaio/dockerd:$CI_PIPELINE_NUMBER \
+          --platform=linux/amd64,linux/arm64 \
+          --cache-to=type=registry,ref=ci-registry.schnabel.org/cache/dockerd:${CI_COMMIT_REF//\//},mode=max,compression=zstd 
+