first commit

build.yaml

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+---
+kind: pipeline
+type: kubernetes
+name: build-{{ .input.os }}-{{ .input.arch }}
+
+trigger:
+  event: [ push ]
+  branch: [ master ]
+
+steps:
+- name: build
+  image: plugins/docker
+  settings:
+    registry: https://gitea.internal.example.com
+    username: drone
+    password:
+      from_secret: gitea-internal-password
+    repo: gitea.internal.example.com/{{ .input.repo }}-{{ .input.os }}-{{ .input.arch }}
+    cache_from: gitea.internal.example.com/{{ .input.repo }}-{{ .input.os }}-{{ .input.arch }}:ci
+    tags:
+    - "ci"

multiarch.yaml

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+---
+kind: pipeline
+type: kubernetes
+name: publish-multiarch-manifest
+
+trigger:
+  event: [ promote ]
+  target: [ publish ]
+
+steps:
+- name: publish-manifest
+  image: plugins/manifest
+  settings:
+    registry: https://gitea.internal.example.com
+    username: drone
+    password:
+      from_secret: gitea-internal-password
+    target: gitea.internal.example.com/{{ .input.repo }}
+    template: gitea.internal.example.com/{{ .input.repo }}-OS-ARCH
+    platforms:
+    {{ range .input.platforms }}
+    - {{ .os }}/{{ .arch }}
+    {{ end }}
+
+depends_on:
+{{ range .input.platforms }}
+- publish-{{ .os }}-{{ .arch }}
+{{ range .input.platforms }}

publish.yaml

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+---
+kind: pipeline
+type: kubernetes
+name: publish-{{ .input.os }}-{{ .input.arch }}
+
+trigger:
+  event: [ promote ]
+  target: [ "publish-{{ .input.os }}-{{ .input.arch }}" ]
+
+steps:
+- name: build-and-publish
+  image: plugins/docker
+  settings:
+    registry: https://gitea.internal.example.com
+    username: drone
+    password:
+      from_secret: gitea-internal-password
+    repo: gitea.internal.example.com/{{ .input.repo }}-{{ .input.os }}-{{ .input.arch }}
+    cache_from: gitea.internal.example.com/{{ .input.repo }}-{{ .input.os }}-{{ .input.arch }}:ci
+    tags:
+    - "latest"

readme.md

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+
+## Drone CI Pipeline Templates for Multi-Arch Builds
+
+See https://blog.jbrumond.me/post/raspberry-pi-cluster-part-4:-gitea-and-drone for more info
+
+
+
+### Usage
+
+```yaml
+---
+kind: template
+load: build.yaml
+data:
+  repo: examples/docker
+  os: linux
+  arch: arm64
+
+---
+kind: template
+load: publish.yaml
+data:
+  repo: examples/docker
+  os: linux
+  arch: arm64
+
+---
+kind: template
+load: multiarch.yaml
+data:
+  repo: examples/docker
+  platforms:
+  - os: linux
+    arch: arm64
+```