Use alpine for architectures that distroless doesn't support

.github/workflows/docker-publish.yml

@@ -19,7 +19,6 @@ env:
   # github.repository as <account>/<repo>
   IMAGE_NAME: ${{ github.repository }}
 
-
 jobs:
   build:
     strategy:
@@ -28,18 +27,23 @@ jobs:
         platform:
           - docker: linux/amd64
             go: amd64
+            dockerfile: Dockerfile
           - docker: linux/arm/v6
             go: arm
             qemu: arm
+            dockerfile: alpine.Dockerfile
           - docker: linux/arm/v7
             go: arm
             qemu: arm
+            dockerfile: Dockerfile
           - docker: linux/arm64
             go: arm64
             qemu: arm64
+            dockerfile: Dockerfile
           - docker: linux/riscv64
             go: riscv64
             qemu: riscv64
+            dockerfile: alpine.Dockerfile
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -62,9 +66,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/[email protected].1
+        uses: sigstore/[email protected].2
         with:
-          cosign-release: 'v2.1.1'
+          cosign-release: 'v2.2.0'
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
@@ -103,6 +107,7 @@ jobs:
         uses: docker/[email protected]
         with:
           context: .
+          file: ${{ matrix.platform.dockerfile }}
           build-args: GOARCH=${{ matrix.platform.go }}
           platforms: ${{ matrix.platform.docker }}
           push: ${{ github.event_name != 'pull_request' }}

alpine.Dockerfile

@@ -0,0 +1,36 @@
+FROM golang:1.21-alpine as server_build
+
+WORKDIR /appbuild
+
+ARG GOARCH
+
+# Add build deps
+RUN apk add --update gcc g++ git
+
+COPY go.mod go.sum /appbuild/
+
+COPY ./ /appbuild
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o fritzbox-cloudflare-dyndns
+
+# Build deployable server
+FROM alpine:3
+
+ENV FRITZBOX_ENDPOINT_URL=${FRITZBOX_ENDPOINT_URL:-http://fritz.box:49000} \
+    FRITZBOX_ENDPOINT_TIMEOUT=${FRITZBOX_ENDPOINT_TIMEOUT:-30s} \
+    DYNDNS_SERVER_BIND=${DYNDNS_SERVER_BIND:-:8080} \
+    DYNDNS_SERVER_USERNAME=${DYNDNS_SERVER_USERNAME} \
+    DYNDNS_SERVER_PASSWORD=${DYNDNS_SERVER_PASSWORD} \
+    CLOUDFLARE_API_EMAIL="" \
+    CLOUDFLARE_API_KEY="" \
+    CLOUDFLARE_ZONES_IPV4="" \
+    CLOUDFLARE_ZONES_IPV6="" \
+    CLOUDFLARE_LOCAL_ADDRESS_IPV6=""
+
+WORKDIR /app
+
+COPY --from=server_build /appbuild/fritzbox-cloudflare-dyndns /app/fritzbox-cloudflare-dyndns
+
+EXPOSE 8080
+
+CMD ["./fritzbox-cloudflare-dyndns"]