enable docker, sbom and cosign

.github/workflows/release.yml

@@ -3,10 +3,12 @@ name: goreleaser
 on:
   push:
     tags:
-      - "*"
+      - "v*"
 
 permissions:
-  contents: write
+   contents: write # needed to write releases
+   id-token: write # needed for keyless signing
+   packages: write # needed for ghcr access
 
 jobs:
   goreleaser:
@@ -18,6 +20,13 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
+      - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
+      - uses: anchore/sbom-action/download-syft@251a468eed47e5082b105c3ba6ee500c0e65a764 # v0.17.6
+      - uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - uses: goreleaser/goreleaser-action@286f3b13b1b49da4ac219696163fb8c1c93e1200 # v6.0.0
         with:
           args: release --clean

.goreleaser.yaml

@@ -8,10 +8,40 @@ before:
     - go mod tidy
     - go generate ./...
 
+checksum:
+  name_template: "checksums.txt"
+
+source:
+  enabled: true
+
+sboms:
+  - artifacts: archive
+  - id: source # Two different sbom configurations need two different IDs
+    artifacts: source
+
+# signs the checksum file
+# all files (including the sboms) are included in the checksum, so we don't need to sign each one if we don't want to
+# https://goreleaser.com/customization/sign
+signs:
+  - cmd: cosign
+    env:
+      - COSIGN_EXPERIMENTAL=1
+    certificate: "${artifact}.pem"
+    args:
+      - sign-blob
+      - "--output-certificate=${certificate}"
+      - "--output-signature=${signature}"
+      - "${artifact}"
+      - "--yes" # needed on cosign 2.0.0+
+    artifacts: checksum
+    output: true
+
 builds:
   - main: ./cmd
     env:
       - CGO_ENABLED=0
+    # ensures mod timestamp to be the commit timestamp
+    mod_timestamp: "{{ .CommitTimestamp }}"
     goos:
       - linux
       - windows
@@ -32,9 +62,26 @@ archives:
       - goos: windows
         format: zip
 
-changelog:
-  sort: asc
-  filters:
-    exclude:
-      - "^docs:"
-      - "^test:"
+dockers:
+  - image_templates:
+      - "ghcr.io/oscarbc96/agbridge:{{ .Tag }}"
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--pull"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.name={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.source={{.GitURL}}"
+
+# signs our docker image
+docker_signs:
+  - cmd: cosign
+    env:
+      - COSIGN_EXPERIMENTAL=1
+    artifacts: images
+    output: true
+    args:
+      - "sign"
+      - "${artifact}"
+      - "--yes" # needed on cosign 2.0.0+

Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY agbridge /usr/bin/agbridge
+ENTRYPOINT [ "/usr/bin/agbridge" ]