FROM rust:1.56-slim AS builder WORKDIR /app COPY . . ENV SQLX_OFFLINE true RUN cargo build --release FROM debian:bullseye-slim AS runtime WORKDIR /app # Install dependancies required RUN apt update -y && apt install -y --no-install-recommends openssl && apt autoremove -y && apt clean -y && rm -rf /var/lib/apt/lists/* # Copy the fully built binary and configuration to the image COPY --from=builder /app/target/release/mail_app mail_app COPY configuration configuration ENV APP_ENVIRONMENT production ENTRYPOINT ["./mail_app"]