fix: build error

.github/workflows/docker-ci.yaml

@@ -2,31 +2,37 @@ name: Docker Image CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
-
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: "arm64,amd64"
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
       - name: Build and push Docker images
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           context: .
           file: ./Dockerfile
           platforms: linux/amd64,linux/arm64
           push: true
           tags: programzmh/chatnio:latest
+          cache-from: type=registry,ref=programzmh/chatnio:buildcache
+          cache-to: type=registry,ref=programzmh/chatnio:buildcache,mode=max

Dockerfile

@@ -2,14 +2,16 @@
 # License: Apache-2.0
 # Description: Dockerfile for chatnio
 
-FROM golang:1.20-alpine AS backend
+FROM --platform=$BUILDPLATFORM golang:1.20-alpine AS backend
 
 WORKDIR /backend
 COPY . .
 
 # Set go proxy to https://goproxy.cn (open for vps in China Mainland)
 # RUN go env -w GOPROXY=https://goproxy.cn,direct
-ENV GOOS=linux GO111MODULE=on CGO_ENABLED=1
+ARG TARGETARCH
+ARG TARGETOS
+ENV GOOS=$TARGETOS GOARCH=$TARGETARCH GO111MODULE=on CGO_ENABLED=1
 
 # Install dependencies for cgo
 RUN apk add --no-cache gcc musl-dev