test multiarch container build

.drone.jsonnet

@@ -176,6 +176,7 @@ local PipelineBuildContainer(arch="amd64") = {
       pull: "always",
       settings: {
         auto_tag: true,
+        auto_tag_suffix: arch,
         dockerfile: "Dockerfile",
         repo: "xoxys/ansible-doctor",
         username: { "from_secret": "docker_username" },
@@ -202,6 +203,24 @@ local PipelineNotifications = {
     arch: "amd64",
   },
   steps: [
+    {
+      image: "plugins/manifest",
+      name: "manifest",
+      pull: "always",
+      settings: {
+        ignore_missing: true,
+        auto_tag: true,
+        username: { from_secret: "docker_username" },
+        password: { from_secret: "docker_password" },
+        spec: "manifest.tmpl",
+      },
+      when: {
+        ref: [
+          'refs/heads/master',
+          'refs/tags/**',
+        ],
+      },
+    },
     {
       name: "matrix",
       image: "plugins/matrix",

.drone.yml

@@ -195,6 +195,7 @@ steps:
   image: plugins/docker:linux-amd64
   settings:
     auto_tag: true
+    auto_tag_suffix: amd64
     dockerfile: Dockerfile
     password:
       from_secret: docker_password
@@ -247,6 +248,7 @@ steps:
   image: plugins/docker:linux-arm64
   settings:
     auto_tag: true
+    auto_tag_suffix: arm64
     dockerfile: Dockerfile
     password:
       from_secret: docker_password
@@ -299,6 +301,7 @@ steps:
   image: plugins/docker:linux-arm
   settings:
     auto_tag: true
+    auto_tag_suffix: arm
     dockerfile: Dockerfile
     password:
       from_secret: docker_password
@@ -328,6 +331,22 @@ platform:
   arch: amd64
 
 steps:
+- name: manifest
+  pull: always
+  image: plugins/manifest
+  settings:
+    auto_tag: true
+    ignore_missing: true
+    password:
+      from_secret: docker_password
+    spec: manifest.tmpl
+    username:
+      from_secret: docker_username
+  when:
+    ref:
+    - refs/heads/master
+    - "refs/tags/**"
+
 - name: matrix
   image: plugins/matrix
   settings:
@@ -357,6 +376,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 2db6ebb30be1f686e852ed208db770c956667f430738007d007380eaa81cab82
+hmac: 0c78a7b118aa4b82673105054230952eaf9d17ff590bd3762396910f015e3b76
 
 ...

manifest.tmpl

@@ -0,0 +1,22 @@
+image: xoxys/freshrss:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}
+{{#if build.tags}}
+tags:
+{{#each build.tags}}
+  - {{ this }}
+{{/each}}
+{{/if}}
+manifests:
+  - image: xoxys/freshrss:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-amd64
+    platform:
+      architecture: amd64
+      os: linux
+
+  - image: xoxys/freshrss:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-arm64
+    platform:
+      architecture: arm64
+      os: linux
+
+  - image: xoxys/freshrss:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-arm
+    platform:
+      architecture: arm
+      os: linux