Build docker images (#39)

Co-authored-by: Norman Gehrsitz <[email protected]>

.github/workflows/release.yml

@@ -6,6 +6,9 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
     steps:
     - name: setup go
       uses: actions/setup-go@v4
@@ -15,11 +18,24 @@ jobs:
       uses: actions/checkout@v4
       with:
         fetch-depth: 0
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
     - name: run GoReleaser
       uses: goreleaser/goreleaser-action@v5
       with:
         distribution: goreleaser
         version: v1.21.2
         args: release --clean
       env:
+        REGISTRY: ghcr.io
+        IMAGE_NAME: ${{ github.repository }}
         GITHUB_TOKEN: ${{ secrets.github_token }}

.goreleaser.yml

@@ -75,3 +75,56 @@ archives:
       - README.md
       - LICENSE
 
+dockers:
+  - image_templates:
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-amd64'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-amd64'
+    dockerfile: goreleaser.Dockerfile
+    use: buildx
+    goarch: amd64
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--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}}"
+  - image_templates:
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-arm'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-arm'
+    dockerfile: goreleaser.Dockerfile
+    use: buildx
+    goarch: arm
+    goarm: 7
+    build_flag_templates:
+      - "--platform=linux/arm/v7"
+      - "--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}}"
+  - image_templates:
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-arm64'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-arm64'
+    dockerfile: goreleaser.Dockerfile
+    use: buildx
+    goarch: arm64
+    build_flag_templates:
+      - "--platform=linux/arm64/v8"
+      - "--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}}"
+
+docker_manifests:
+  - name_template: '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}'
+    image_templates:
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-amd64'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-arm'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:{{ .Tag }}-arm64'
+  - name_template: '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest'
+    image_templates:
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-amd64'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-arm'
+      - '{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}:latest-arm64'

Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.21 AS binary
+
+WORKDIR /src
+
+COPY . .
+
+RUN CGO_ENABLED=0 go build -o /bin/cob -ldflags "-s -w -extldflags '-static'" .
+
+FROM scratch
+
+COPY --from=binary /bin/cob /bin/cob
+
+ENTRYPOINT ["/bin/cob"]

goreleaser.Dockerfile

@@ -0,0 +1,5 @@
+FROM scratch
+
+COPY cob /bin/cob
+
+ENTRYPOINT ["/bin/cob"]