add: git-lfs to Dockerfile

.gitea/workflows/build_blog_image.yml

@@ -11,6 +11,8 @@ jobs:
     steps:
       - name: checkout code
         uses: actions/checkout@v3
+        with:
+          lfs: 'true'
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx

README.md

@@ -5,4 +5,5 @@
 export PATH=$PATH:/usr/local/go/bin
 CGO_ENABLED=1 go install -tags extended github.com/gohugoio/hugo@latest
 git submodule update --recursive
+git lfs pull
 ```

hugo.Dockerfile

@@ -6,5 +6,5 @@ ENV GOOS=linux
 ENV GO111MODULE=on
 
 RUN apk update && \
-    apk add --no-cache gcc musl-dev g++ git
+    apk add --no-cache gcc musl-dev g++ git git-lfs
 RUN go install -tags extended github.com/gohugoio/hugo@v0.122.0