switch to go 1.21 and add simple docker image for sync

Author: equinox0815

.github/workflows/ci.yml

@@ -10,6 +10,6 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
       - name: Test
         run: make test

.github/workflows/release.yml

@@ -34,3 +34,10 @@ jobs:
         image-name: app
         extract-git-tag: true
         custom-args: --platform=linux/arm64,linux/amd64,linux/i386
+    - uses: VaultVulp/gp-docker-action@1.6.0
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        image-name: sync
+        extract-git-tag: true
+        build-context: ./contrib/sync
+        custom-args: --build-arg=GOKR_RSYNC_VERSION="0.1.0" --platform=linux/arm64,linux/amd64,linux/i386

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20 as builder
+FROM golang:1.21 as builder
 ADD . /src
 RUN cd /src && CGO_ENABLED=0 go build ./cmd/whawty-auth
 

contrib/sync/Dockerfile

@@ -0,0 +1,6 @@
+FROM golang:1.21 as builder
+ARG GOKR_RSYNC_VERSION=0.1.0
+RUN CGO_ENABLED=0 go install github.com/gokrazy/rsync/cmd/gokr-rsync@v${GOKR_RSYNC_VERSION} github.com/gokrazy/rsync/cmd/gokr-rsyncd@v${GOKR_RSYNC_VERSION}
+
+FROM scratch
+COPY --from=builder /go/bin/ /