# syntax=docker/dockerfile:1.4
FROM golang:1.20-alpine AS build

WORKDIR /app

RUN <<EOF
apk --update add --no-cache git bash make alpine-sdk g++
git clone https://git.iratusmachina.com/iratusmachina/gocustomurls.git gurls
cd gurls
make build
EOF

FROM alpine AS run

ARG USERNAME
ARG UID
ARG GID
ARG PORT

RUN <<EOF
addgroup --gid ${GID} ${USERNAME}
adduser --uid ${UID} --ingroup ${USERNAME} --gecos "" --disabled-password --home "/home/$USERNAME" $USERNAME
chmod -R 755 /home/$USERNAME
chown -R ${UID}:${GID} /home/$USERNAME
EOF

COPY --from=build /app/gurls/artifacts/gocustomurls /home/$USERNAME/gocustomurls

RUN <<EOF
mkdir -p /var/lib/apptemp
cp /home/$USERNAME/gocustomurls /var/lib/apptemp/gocustomurls
chown -R ${UID}:${GID} /home/$USERNAME
chown -R ${UID}:${GID} /var/lib/apptemp
ls -lah /home/$USERNAME
EOF


ENV HOME=/home/$USERNAME

COPY <<EOF start.sh
    #!/usr/bin/env sh
    printenv
    cd "${HOME}"
    ls -lah .
    if [ ! -f "${HOME}/gocustomurls" ]
    then
        cp /var/lib/apptemp/gocustomurls ${HOME}/gocustomurls
        rm /var/lib/apptemp/gocustomurls
    fi
    ${HOME}/gocustomurls -conf ${HOME}/config.json
EOF

RUN <<EOF
chown ${UID}:${GID} start.sh
chmod u+x start.sh
EOF

EXPOSE $PORT

USER $USERNAME

CMD ["sh", "-c", "./start.sh" ]