Dockerfile

FROM swift:5.3-focal as build

RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
    && apt-get -q update \
    && apt-get -q dist-upgrade -y \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /build

COPY ./Package.* ./
RUN swift package resolve
COPY . .
RUN swift build --enable-test-discovery -c release

WORKDIR /staging

RUN cp "$(swift build --package-path /build -c release --show-bin-path)/Run" ./
RUN mv /build/Public ./Public && chmod -R a-w ./Public && mv /build/Resources ./Resources && chmod -R a-w ./Resources

FROM swift:5.3-focal-slim

RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && \
    apt-get -q update && apt-get -q dist-upgrade -y && \
    apt-get install -y --no-install-recommends libz3-4 && \
    rm -r /var/lib/apt/lists/*
RUN useradd --user-group --create-home --system --skel /dev/null --home-dir /app vapor

WORKDIR /app
COPY --from=build --chown=vapor:vapor /staging /app

USER vapor:vapor
EXPOSE 8080

ENTRYPOINT ["./Run"]
CMD ["serve", "--env", "production", "--hostname", "0.0.0.0", "--port", "8080"]