Add Ko build for OCI image

Author: strideynet

.github/workflows/release.yaml

@@ -6,21 +6,20 @@ on:
 
 permissions:
   contents: write
+  packages: write
 
 jobs:
   goreleaser:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
+      - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      -
-        name: Set up Go
+      - name: Set up Go
         uses: actions/setup-go@v5
-      -
-        name: Run GoReleaser
+      - uses: ko-build/setup-ko@v0.6
+      - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:
           # either 'goreleaser' (default) or 'goreleaser-pro'

.goreleaser.yaml

@@ -44,3 +44,14 @@ changelog:
     exclude:
       - "^docs:"
       - "^test:"
+
+kos:
+  - repository: ghcr.io/strideynet/spiffe-pinger
+    tags:
+      - "{{.Version}}"
+      - latest
+    bare: true
+    preserve_import_paths: false
+    platforms:
+      - linux/amd64
+      - linux/arm64