# -----------------------------
# Buil Kdash base image
# -----------------------------
FROM rust as builder
WORKDIR /usr/src
# Prepare for static linking with musl
RUN apt-get update && \
apt-get dist-upgrade -y && \
apt-get install -y musl-tools && \
rustup target add x86_64-unknown-linux-musl
# Download and compile Rust dependencies in an empty project and cache as a separate Docker layer
RUN USER=root cargo new --bin kdash-temp
WORKDIR /usr/src/kdash-temp
COPY ./Cargo.lock ./Cargo.lock
COPY ./Cargo.toml ./Cargo.toml
RUN cargo build --release --target x86_64-unknown-linux-musl
# remove src form empty project
RUN rm -r src
# Copy actual source files and Build the app binary
COPY src ./src
RUN ls -a src/app/
# due to cargo bug https://github.com/rust-lang/rust/issues/25289
RUN apt-get update && \
apt-get install -y pkg-config libssl-dev libxcb-composite0-dev
# remove previous deps
RUN rm ./target/x86_64-unknown-linux-musl/release/deps/kdash*
RUN cargo build --release --target x86_64-unknown-linux-musl
# -----------------------------
# build final Kdash image
# -----------------------------
FROM alpine:latest
ARG KUBECTL_VERSION="v1.20.5"
# Copy the compiled binary from the builder container
COPY --from=builder /usr/src/kdash-temp/target/x86_64-unknown-linux-musl/release/kdash /usr/local/bin
# Install dependencies like kubectl
RUN apk add --update ca-certificates \
&& apk add --update -t deps curl vim \
&& curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \
&& chmod +x /usr/local/bin/kubectl \
&& apk del --purge deps \
&& rm /var/cache/apk/*
ENTRYPOINT [ "/usr/local/bin/kdash" ]
