feat: ci docker push with metadata

Dockerfile

@@ -1,3 +1,11 @@
+FROM instrumentisto/flutter:3 AS flutter
+WORKDIR /app
+COPY ./ui/pubspec.yaml ./ui/pubspec.lock ./
+RUN flutter pub get
+COPY ./ui/ ./
+RUN flutter build web 
+
+# 打包依赖阶段使用golang作为基础镜像
 FROM golang:1.22 as builder
 
 # 启用go module
@@ -6,19 +14,22 @@ ENV GO111MODULE=on \
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
+COPY  go.mod .
+COPY  go.sum .
 RUN go mod download
 
 COPY . .
-RUN CGO_ENABLED=1 go build -o polaris ./cmd/
+
+COPY --from=flutter /app/build/web ./ui/build/web/
+# 指定OS等，并go build
+RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -o polaris ./cmd/ 
 
 FROM debian:12
 
 WORKDIR /app
 RUN apt-get update && apt-get -y install ca-certificates
 
+# 将上一个阶段publish文件夹下的所有文件复制进来
 COPY --from=builder /app/polaris .
 
-EXPOSE 8080
-
-ENTRYPOINT ["./polaris"]
+EXPOSE 8080