feat: docker add linux/arm64 platform support

Author: D0000M

.github/workflows/default.yml

@@ -89,6 +89,6 @@ jobs:
         if: github.repository == 'casbin/casbin-server' && github.event_name == 'push' && steps.should_push.outputs.push=='true'
         with:
           target: STANDARD
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: casbin/casbin-server:${{steps.get-current-tag.outputs.tag }},casbin/casbin-server:latest

Dockerfile

@@ -21,10 +21,12 @@ RUN curl -LjO https://github.com/protocolbuffers/protobuf/archive/refs/tags/v3.1
     rm v3.17.3.zip
 
 # Go environment variable to enable Go modules
+ARG TARGETOS
+ARG TARGETARCH
 ENV GO111MODULE=on \
     CGO_ENABLED=0 \
-    GOOS=linux \
-    GOARCH=amd64
+    GOOS=${TARGETOS} \
+    GOARCH=${TARGETARCH}
 
 # Download dependencies
 RUN go mod download