improve docker build procedure

build/Dockerfile.static-build

@@ -0,0 +1,20 @@
+ARG  REGISTRY=docker.io
+ARG  BUILDER_BASE=library/rust:alpine
+ARG  RUNTIME_BASE=library/alpine:latest
+
+FROM ${REGISTRY}/${BUILDER_BASE} as builder
+RUN  apk add --no-cache pkgconf libseccomp-static libseccomp-dev musl-dev
+COPY . /src
+WORKDIR /src
+RUN  cargo build --release
+
+FROM ${REGISTRY}/${RUNTIME_BASE} as base
+
+FROM base as runtime
+COPY --from=builder /src/target/release/x2t-sandbox /usr/local/bin/x2t-sandbox
+
+
+FROM ${REGISTRY}/${RUNTIME_BASE} as copy-to-data
+FROM base as copy-to-data
+COPY --from=builder /src/target/release/x2t-sandbox /x2t-sandbox
+CMD  ["cp", "-v", "/x2t-sandbox", "/data/x2t-sandbox"]