优化 Docker 构建：启用 BuildKit + 使用阿里云 Alpine 镜像源加速

.gitea/workflows/deploy.yaml

@@ -42,12 +42,12 @@ jobs:
 
       - name: 构建 API 镜像
         run: |
-          docker build -f Dockerfile.api -t ${{ env.API_IMAGE }}:${{ steps.tag.outputs.tag }} .
+          DOCKER_BUILDKIT=1 docker build -f Dockerfile.api -t ${{ env.API_IMAGE }}:${{ steps.tag.outputs.tag }} .
           docker tag ${{ env.API_IMAGE }}:${{ steps.tag.outputs.tag }} ${{ env.API_IMAGE }}:${{ github.sha }}
 
       - name: 构建 Worker 镜像
         run: |
-          docker build -f Dockerfile.worker -t ${{ env.WORKER_IMAGE }}:${{ steps.tag.outputs.tag }} .
+          DOCKER_BUILDKIT=1 docker build -f Dockerfile.worker -t ${{ env.WORKER_IMAGE }}:${{ steps.tag.outputs.tag }} .
           docker tag ${{ env.WORKER_IMAGE }}:${{ steps.tag.outputs.tag }} ${{ env.WORKER_IMAGE }}:${{ github.sha }}
 
       - name: 推送镜像到 Registry

Dockerfile.api

@@ -34,8 +34,11 @@ RUN go install -tags 'postgres' github.com/golang-migrate/migrate/v4/cmd/migrate
 # ================================
 FROM alpine:3.19
 
+# 使用阿里云镜像源加速
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 # 安装运行时依赖
-RUN apk add --no-cache ca-certificates tzdata bash curl
+RUN apk add --no-cache ca-certificates tzdata bash
 
 # 设置时区
 ENV TZ=Asia/Shanghai
@@ -65,9 +68,9 @@ USER appuser
 # 暴露端口
 EXPOSE 8088
 
-# 健康检查
+# 健康检查（使用 Alpine 自带的 wget）
 HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
-    CMD curl -f http://localhost:8088/health || exit 1
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8088/health || exit 1
 
 # 启动命令
 ENTRYPOINT ["/app/entrypoint.sh"]

Dockerfile.worker

@@ -31,6 +31,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
 # ================================
 FROM alpine:3.19
 
+# 使用阿里云镜像源加速
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 # 安装运行时依赖
 RUN apk add --no-cache ca-certificates tzdata bash