directdnsonly/Dockerfile.scratch

FROM python:3.8 AS builder
# Allow Passing Version from CI
ARG VERSION
ENV LC_ALL=en_NZ.utf8
ENV LANG=en_NZ.utf8
ENV APP_NAME="directdnsonly"

RUN mkdir -p /tmp/build && apt-get update && \
    apt-get install -y libssl-dev python3-cryptography

COPY src/ /tmp/build/
COPY requirements.txt /tmp/build

WORKDIR /tmp/build

WORKDIR /tmp/src    
RUN wget https://github.com/NixOS/patchelf/releases/download/0.12/patchelf-0.12.tar.bz2 && \
    tar xvf patchelf-0.12.tar.bz2 && \
    cd /tmp/src/patchelf-0.12* && \
    ./configure --prefix="/usr" && \
    make install

WORKDIR /tmp/build
RUN pip3 install -r requirements.txt && \
    pyinstaller \
    --hidden-import=json \
    --hidden-import=pyopenssl \
    --hidden-import=jaraco \
    --hidden-import=cheroot \
    --hidden-import=cheroot.ssl.pyopenssl \
    --hidden-import=cheroot.ssl.builtin \
    --hidden-import=lib \
    --noconfirm --onefile ${APP_NAME}.py && \
    cd /tmp/build/dist && \
    staticx ${APP_NAME} ./${APP_NAME}_static

RUN mkdir -p /tmp/approot && \
    mkdir -p /tmp/approot/app && \
    mkdir -p /tmp/approot/app/config && \
    mkdir -p /tmp/approot/etc && \
    mkdir -p /tmp/approot/tmp && \
    mkdir -p /tmp/approot/data && \
    cp /tmp/build/config/app.yml /tmp/approot/app/config/app.yml && \
    cp /tmp/build/dist/${APP_NAME}_static /tmp/approot/app/${APP_NAME}
 
FROM scratch
COPY --from=builder /tmp/approot /
COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
ENV TZ=Pacific/Auckland
WORKDIR /app

VOLUME /app/config /data

CMD ["/app/directdnsonly"]