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