Enable multi-arch builds

.drone.yml

@@ -0,0 +1,66 @@
+kind: pipeline
+name: publish
+
+trigger:
+  event:
+    - push
+    - tag
+  refs:
+    - refs/heads/master
+    - refs/tags/v*
+
+steps:
+  - name: push image - arm
+    image: plugins/docker
+    settings:
+      repo: iamthefij/docker-socket-proxy
+      auto_tag: true
+      auto_tag_suffix: linux-arm
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - REPO=arm32v6
+        - VCS_REV=${DRONE_COMMIT_SHA}
+        - BUILD_DATE=${DRONE_BUILD_CREATED}
+
+  - name: push image - arm64
+    image: plugins/docker
+    settings:
+      repo: iamthefij/docker-socket-proxy
+      auto_tag: true
+      auto_tag_suffix: linux-arm64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - REPO=arm32v6
+        - VCS_REV=${DRONE_COMMIT_SHA}
+        - BUILD_DATE=${DRONE_BUILD_CREATED}
+
+  - name: push image - amd64
+    image: plugins/docker
+    settings:
+      repo: iamthefij/docker-socket-proxy
+      auto_tag: true
+      auto_tag_suffix: linux-amd64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      build_args:
+        - VCS_REV=${DRONE_COMMIT_SHA}
+        - BUILD_DATE=${DRONE_BUILD_CREATED}
+
+  - name: publish manifest
+    image: plugins/manifest
+    settings:
+      spec: manifest.tmpl
+      auto_tag: true
+      ignore_missing: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password

Dockerfile

@@ -1,4 +1,5 @@
-FROM haproxy:1.9-alpine
+ARG REPO=library
+FROM ${REPO}/haproxy:1.9-alpine
 
 EXPOSE 2375
 ENV ALLOW_RESTARTS=0 \

manifest.tmpl

@@ -0,0 +1,25 @@
+image: iamthefij/docker-socket-proxy:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}
+{{#if build.tags}}
+tags:
+{{#each build.tags}}
+  - {{this}}
+{{/each}}
+{{/if}}
+manifests:
+  -
+    image: iamthefij/docker-socket-proxy:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-amd64
+    platform:
+      architecture: amd64
+      os: linux
+  -
+    image: iamthefij/docker-socket-proxy:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm64
+    platform:
+      architecture: arm64
+      os: linux
+      variant: v8
+  -
+    image: iamthefij/docker-socket-proxy:{{#if build.tag}}{{trimPrefix "v" build.tag}}-{{/if}}linux-arm
+    platform:
+      architecture: arm
+      os: linux
+      variant: v7