优化task make

docker/saastool.Dockerfile

@@ -0,0 +1,14 @@
+FROM rta-docker.pkg.coding.net/public/docker/entre_dev:latest AS builder
+
+ARG TARGETOS TARGETARCH APPNAME
+
+COPY . /tmp/saasapi/
+WORKDIR /tmp/saasapi/
+
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    ./make.sh
+
+FROM rta-docker.pkg.coding.net/public/docker/alpine:latest AS product
+
+COPY --from=builder /tmp/saasapi/build/saastool /bin/saastool