build(docker): build image using kos

.github/workflows/release.yml

@@ -6,22 +6,17 @@ on:
       - main
   pull_request:
 
+permissions:
+  contents: write # create releases
+  packages: write # push to ghcr
+
 jobs:
   release:
     runs-on: ubuntu-latest
-    env:
-      DOCKER_CLI_EXPERIMENTAL: "enabled"
     steps:
       - uses: WillAbides/[email protected]
         with:
-          go-version: ^1.18
-      - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
-      - uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          go-version: ^1.21.5
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
@@ -47,4 +42,3 @@ jobs:
           args: release --clean ${{ env.GORELEASER_FLAGS }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          REPOSITORY_OWNER: ${{ github.repository_owner }}

.goreleaser.yaml

@@ -1,3 +1,5 @@
+env:
+  - KO_DOCKER_REPO=ghcr.io/{{ .Env.GITHUB_REPOSITORY }}
 before:
   hooks:
     - go mod tidy
@@ -19,36 +21,13 @@ archives:
   - format_overrides:
       - goos: windows
         format: zip
-changelog:
-  skip: true
-dockers:
-  - image_templates:
-      - "ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-amd64"
-    dockerfile: Dockerfile
-    use: buildx
-    build_flag_templates:
-      - --platform=linux/amd64
-      - --label=org.opencontainers.image.title={{ .ProjectName }}
-      - --label=org.opencontainers.image.version={{ .Version }}
-      - --label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }}
-      - --label=org.opencontainers.image.revision={{ .FullCommit }}
-  - image_templates:
-      - "ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-arm64v8"
-    goarch: arm64
-    dockerfile: Dockerfile
-    use: buildx
-    build_flag_templates:
-      - --platform=linux/arm64/v8
-      - --label=org.opencontainers.image.title={{ .ProjectName }}
-      - --label=org.opencontainers.image.version={{ .Version }}
-      - --label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }}
-      - --label=org.opencontainers.image.revision={{ .FullCommit }}
-docker_manifests:
-  - name_template: ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}
-    image_templates:
-      - ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-amd64
-      - ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-arm64v8
-  - name_template: ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:latest
-    image_templates:
-      - ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-amd64
-      - ghcr.io/{{ .Env.REPOSITORY_OWNER }}/{{ .ProjectName }}:{{ .Version }}-arm64v8
+kos:
+  - base_image: cgr.dev/chainguard/static
+    bare: true
+    platforms:
+      - linux/amd64
+      - linux/arm64
+    tags:
+      - latest
+      - "{{.Tag}}"
+    creation_time: "{{.CommitTimestamp}}"