FROM rust:1.70 as build
RUN rustup update
## add ffmpeg to the container (needed for video splitting)
RUN apt-get update && apt-get install -y ffmpeg
# set target (not sure if this is even needed...
#RUN export RUSTTARGET="x86_64-unknown-linux-musl"

# region this part caches the dependencies so that they are not recompiled every time
# ===================================================================================

# create a dummy project to cache the dependencies
RUN USER=root cargo new --bin downloader
WORKDIR /downloader

COPY ./Cargo.toml ./Cargo.toml
COPY ./Cargo.lock ./Cargo.lock
#RUN cargo build --release -j 1
RUN cargo build --release
# remove the dummy sources
RUN rm src/*.rs
# remove only the binary so only that gets recompiled
RUN rm ./target/release/deps/downloader*

# ===================================================================================
# endregion Done caching dependencies

# copy the actual sources to build
COPY ./src ./src
# build the bin only (--locked makes sure to not rebuild dependencies since
# they were already cached before)
RUN cargo install --path . --locked
# copy the logger config
COPY ./logger.yaml ./logger.yaml
# set start command to installed app
CMD ["downloader"]