Create amd64 and arm64 multi-platform container image

Author: frittentheke

.goreleaser.yml

@@ -34,6 +34,27 @@ dockers:
     dockerfile: goreleaser.dockerfile
     build_flag_templates:
       - "--build-arg=BINARY_NAME={{ .ProjectName }}"
+      - "--platform=linux/amd64"
+    use: buildx
+  - ids:
+      - prometheus-libvirt-exporter
+    image_templates:
+      - ghcr.io/inovex/{{ .ProjectName }}:{{ .Version }}
+    goos: linux
+    goarch: arm64
+    dockerfile: goreleaser.dockerfile
+    build_flag_templates:
+      - "--build-arg=BINARY_NAME={{ .ProjectName }}"
+      - "--platform=linux/arm64"
+    use: buildx
+
+docker_manifests:
+- name_template: 'myorg/myuser:{{ .Tag }}'
+  image_templates:
+  - 'myorg/myuser:{{ .Tag }}-amd64'
+  - 'myorg/myuser:{{ .Tag }}-arm64'
+
+
 #Configuration for building packages for apk, deb and rpm package managers
 nfpms:
   - id: "prometheus-libvirt-exporter"