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# Using multistage build:
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# https://docs.docker.com/develop/develop-images/multistage-build/
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# https://whitfin.io/speeding-up-rust-docker-builds/
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####################### VAULT BUILD IMAGE #######################
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FROM alpine as vault
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ENV VAULT_VERSION "v2.10.0b"
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ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
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RUN apk add --update-cache --upgrade \
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curl \
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tar
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RUN mkdir /web-vault
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WORKDIR /web-vault
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RUN curl -L $URL | tar xz
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RUN ls
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########################## BUILD IMAGE ##########################
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# We need to use the Rust build image, because
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# we need the Rust compiler and Cargo tooling
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FROM rust as build
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RUN apt-get update \
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&& apt-get install -y \
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gcc-arm-linux-gnueabi \
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&& mkdir -p ~/.cargo \
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&& echo '[target.arm-unknown-linux-gnueabi]' >> ~/.cargo/config \
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&& echo 'linker = "arm-linux-gnueabi-gcc"' >> ~/.cargo/config
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ENV CARGO_HOME "/root/.cargo"
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ENV USER "root"
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WORKDIR /app
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# Prepare openssl armel libs
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RUN sed 's/^deb/deb-src/' /etc/apt/sources.list > \
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/etc/apt/sources.list.d/deb-src.list \
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&& dpkg --add-architecture armel \
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&& apt-get update \
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&& apt-get install -y \
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libssl-dev:armel \
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libc6-dev:armel
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ENV CC_arm_unknown_linux_gnueabi="/usr/bin/arm-linux-gnueabi-gcc"
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ENV CROSS_COMPILE="1"
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ENV OPENSSL_INCLUDE_DIR="/usr/include/arm-linux-gnueabi"
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ENV OPENSSL_LIB_DIR="/usr/lib/arm-linux-gnueabi"
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# Copies the complete project
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# To avoid copying unneeded files, use .dockerignore
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COPY . .
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# Build
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RUN rustup target add arm-unknown-linux-gnueabi
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RUN cargo build --release --target=arm-unknown-linux-gnueabi -v
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######################## RUNTIME IMAGE ########################
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# Create a new stage with a minimal image
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# because we already have a binary built
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FROM balenalib/rpi-debian:stretch
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ENV ROCKET_ENV "staging"
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ENV ROCKET_PORT=80
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ENV ROCKET_WORKERS=10
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RUN [ "cross-build-start" ]
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# Install needed libraries
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RUN apt-get update && apt-get install -y\
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openssl\
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ca-certificates\
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--no-install-recommends\
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&& ln -s /lib/ld-linux-armhf.so.3 /lib/ld-linux.so.3\
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&& rm -rf /var/lib/apt/lists/*
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RUN mkdir /data
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RUN [ "cross-build-end" ]
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VOLUME /data
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EXPOSE 80
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# Copies the files from the context (Rocket.toml file and web-vault)
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# and the binary from the "build" stage to the current stage
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COPY Rocket.toml .
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COPY --from=vault /web-vault ./web-vault
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COPY --from=build /app/target/arm-unknown-linux-gnueabi/release/bitwarden_rs .
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# Configures the startup!
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CMD ./bitwarden_rs
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