FROM rust:alpine as rust

FROM rust as chef
RUN  apk add libc-dev musl-dev && cargo install --locked cargo-chef
WORKDIR /app

FROM chef as planner
COPY . .
RUN cargo chef prepare --recipe-path recipe.json

FROM chef AS builder
COPY --from=planner /app/recipe.json recipe.json
RUN cargo chef cook --release --recipe-path recipe.json
RUN apk add protoc protobuf-dev
COPY . .
RUN cargo build --release --package chat-signaling-server --bin server

FROM alpine AS runtime
WORKDIR /app
COPY --from=builder /app/target/release/server /usr/local/bin
ENTRYPOINT ["/usr/local/bin/server"]