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"]

build/Dockerfile.ubuntu-22.04

@@ -0,0 +1,20 @@
+ARG  REGISTRY=docker.io
+ARG  BASE=library/ubuntu:22.04
+
+FROM ${REGISTRY}/${BASE} as base
+
+FROM base as builder
+RUN  apt update && apt install build-essential libseccomp-dev -y
+RUN  curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+COPY . /src
+WORKDIR /src
+RUN  cargo build --release
+
+FROM base as runtime
+RUN  apt update && apt install libseccomp -y && rm -rf /var/apt
+COPY --from=builder /src/target/release/x2t-sandbox /usr/local/bin/x2t-sandbox
+
+FROM base as copy-to-data
+COPY --from=builder /src/target/release/x2t-sandbox /x2t-sandbox
+CMD  ["cp", "-v", "/x2t-sandbox", "/data/x2t-sandbox"]
+