# Chef
FROM rust:1.94 AS chef

RUN apt-get update && apt-get install -y --no-install-recommends musl-tools && rm -rf /var/lib/apt/lists/*
RUN rustup target add x86_64-unknown-linux-musl
RUN cargo install --locked cargo-chef
WORKDIR /app

COPY Cargo.toml Cargo.lock .
RUN mkdir src && touch src/main.rs
# Если у вас workspace или несколько крейтов, скопируйте их манифесты тоже:
# COPY crates/*/Cargo.toml ./crates/*/

RUN cargo chef prepare --recipe-path /app/recipe.json


# Builder
FROM chef AS builder

COPY --from=chef /app/recipe.json /app/recipe.json
RUN cargo chef cook --target x86_64-unknown-linux-musl --release --recipe-path /app/recipe.json

## Если есть rust-toolchain.toml
# COPY rust-toolchain.toml rust-toolchain.toml
# RUN cargo fetch

COPY . .
RUN cargo build --target x86_64-unknown-linux-musl --release


# Runtime
FROM scratch

COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/example /usr/local/bin/example

CMD ["/usr/local/bin/example"]