first commit

Dockerfile

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+FROM buildpack-deps:$release-name
+
+LABEL org.opencontainers.image.source=https://github.com/rust-lang/docker-rust
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH \
+    RUST_VERSION=1.89.0
+
+RUN set -eux; \
+    dpkgArch="$(dpkg --print-architecture)"; \
+    case "${dpkgArch##*-}" in \
+        amd64) rustArch='x86_64-unknown-linux-gnu'; rustupSha256='20a06e644b0d9bd2fbdbfd52d42540bdde820ea7df86e92e533c073da0cdd43c' ;; \
+        armhf) rustArch='armv7-unknown-linux-gnueabihf'; rustupSha256='3b8daab6cc3135f2cd4b12919559e6adaee73a2fbefb830fadf0405c20231d61' ;; \
+        arm64) rustArch='aarch64-unknown-linux-gnu'; rustupSha256='e3853c5a252fca15252d07cb23a1bdd9377a8c6f3efa01531109281ae47f841c' ;; \
+        i386) rustArch='i686-unknown-linux-gnu'; rustupSha256='a5db2c4b29d23e9b318b955dd0337d6b52e93933608469085c924e0d05b1df1f' ;; \
+        ppc64el) rustArch='powerpc64le-unknown-linux-gnu'; rustupSha256='acd89c42b47c93bd4266163a7b05d3f26287d5148413c0d47b2e8a7aa67c9dc0' ;; \
+        s390x) rustArch='s390x-unknown-linux-gnu'; rustupSha256='726b7fd5d8805e73eab4a024a2889f8859d5a44e36041abac0a2436a52d42572' ;; \
+        riscv64) rustArch='riscv64gc-unknown-linux-gnu'; rustupSha256='09e64cc1b7a3e99adaa15dd2d46a3aad9d44d71041e2a96100d165c98a8fd7a7' ;; \
+        *) echo >&2 "unsupported architecture: ${dpkgArch}"; exit 1 ;; \
+    esac; \
+    url="https://static.rust-lang.org/rustup/archive/1.28.2/${rustArch}/rustup-init"; \
+    wget "$url"; \
+    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
+    chmod +x rustup-init; \
+    ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version;