# Using the `rust-musl-builder` as base image, instead of 
# the official Rust toolchain
FROM clux/muslrust:stable AS chef
USER root

RUN cargo install 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

# Notice that we are specifying the --target flag!

RUN cargo chef cook --release --target x86_64-unknown-linux-musl --recipe-path recipe.json

COPY . .

ENV SQLX_OFFLINE true

RUN cargo build --release --target x86_64-unknown-linux-musl --bin email_newsletter_api

FROM alpine AS runtime

WORKDIR /app

RUN addgroup -S myuser && adduser -S myuser -G myuser

COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/email_newsletter_api email_newsletter_api

COPY configuration configuration

USER myuser

ENV APP_ENVIRONMENT production

ENTRYPOINT ["./email_newsletter_api"]