1FROM ubuntu:20.0423ARG RUST_TOOLCHAIN=4ARG FEATURE=56ENV DEBIAN_FRONTEND=noninteractive7ENV TZ=Etc/UTC8ENV FEATURE=$FEATURE9ENV CARGO_HOME="/cargo-home"10ENV PATH="/cargo-home/bin:$PATH"1112RUN echo "$FEATURE\n" && echo "$RUST_TOOLCHAIN\n"1314RUN apt-get update && apt-get install -y git curl libssl-dev llvm pkg-config libclang-dev clang git make cmake1516RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain none1718RUN rustup toolchain uninstall $(rustup toolchain list) && \19 rustup toolchain install $RUST_TOOLCHAIN && \20 rustup default $RUST_TOOLCHAIN && \21 rustup target add wasm32-unknown-unknown --toolchain $RUST_TOOLCHAIN2223RUN mkdir /dev_chain 24COPY . /dev_chain2526WORKDIR /dev_chain2728RUN cargo build --release29RUN echo "$FEATURE"3031CMD cargo run --release --features=$FEATURE -- --dev -linfo --unsafe-ws-external --rpc-cors=all --unsafe-rpc-external