Dockerfile

ARG RUST_VERSION=1.71.0
ARG APP_NAME=verifying-email-binder
FROM rust:${RUST_VERSION}-slim-bullseye AS build
ARG APP_NAME
WORKDIR /app

RUN apt-get update \
    && apt-get install pkg-config libssl-dev -y \
    && apt-get clean

RUN --mount=type=bind,source=src,target=src \
    --mount=type=bind,source=Cargo.toml,target=Cargo.toml \
    --mount=type=bind,source=Cargo.lock,target=Cargo.lock \
    <<EOF
set -e
cargo build --locked --release
cp ./target/release/$APP_NAME /bin/server
EOF

FROM debian:bullseye-slim AS final

RUN apt-get update \
    && apt-get install ca-certificates -y \
    && apt-get clean

ARG UID=10001
RUN adduser \
    --disabled-password \
    --gecos "" \
    --home "/nonexistent" \
    --shell "/sbin/nologin" \
    --no-create-home \
    --uid "${UID}" \
    appuser
USER appuser

COPY --from=build /bin/server /bin/

EXPOSE 3000

CMD ["/bin/server"]