FROM rust:1.76 AS BUILD

ENV APP_NAME=mirror-server
ENV APP_HOME=/srv/${APP_NAME}
RUN apt update \
    && apt install -y curl \
    && cargo install cargo-deb

# Setup working env.
RUN mkdir -p ${APP_HOME}
WORKDIR ${APP_HOME}

# Create build target cache.
RUN USER=root cargo init --bin .
COPY ["Cargo.toml", "Cargo.lock", "./"]
RUN cargo build \
    && cargo build --tests \
    && cargo build --release \
    && rm src/*.rs

# Bring in the source
COPY ["src", "./src/"]

# Build the example API.
RUN cargo build --release

# Create the minimal server image.
FROM debian:buster-slim AS SERVER

ENV APP_NAME=mirror-server
ENV APP_HOME=/srv/${APP_NAME}
RUN apt update

RUN mkdir -p ${APP_HOME}
WORKDIR ${APP_HOME}

COPY --from=BUILD ${APP_HOME}/target/release/${APP_NAME} /usr/local/bin/
CMD ${APP_NAME}