Dockerfile

FROM debian:12

# e.g. 5.41.0
ARG MAXIMA_VERSION
# e.g. 2.0.2
ARG SBCL_VERSION

# number of maxima-%d user names/maximum number of processes
ARG MAX_USER=32

ENV SRC=/opt/src \
    LIB=/opt/maxima/lib \
    LOG=/opt/maxima/log \
    TMP=/opt/maxima/tmp \
    PLOT=/opt/maxima/plot \
    ASSETS=/opt/maxima/assets \
    BIN=/opt/maxima/bin

COPY ./src/maxima_fork.c /
COPY ./buildscript.sh /

RUN bash /buildscript.sh

# e.g. stack/20200701/maxima
ARG LIB_PATH

RUN echo ${LIB_PATH?Error \$LIB_PATH is not defined}
# Copy Libraries
COPY ${LIB_PATH} ${LIB}

# Copy optimization scripts
COPY assets/maxima-fork.lisp assets/optimize.mac.template ${LIB_PATH}/../maximalocal.mac.template ${ASSETS}/

RUN grep stackmaximaversion ${LIB}/stackmaxima.mac | grep -oP "\d+" >> /opt/maxima/stackmaximaversion \
    && sh -c 'envsubst < ${ASSETS}/maximalocal.mac.template > ${ASSETS}/maximalocal.mac \
    && envsubst < ${ASSETS}/optimize.mac.template > ${ASSETS}/optimize.mac ' \
    && cat ${ASSETS}/maximalocal.mac && cat ${ASSETS}/optimize.mac \
    && cd ${ASSETS} \
    && maxima -b optimize.mac \
    && mv maxima-optimised ${BIN}/maxima-optimised \
    && for i in $(seq $MAX_USER); do \
           useradd -M "maxima-$i"; \
    done

RUN useradd -M "goemaxima-nobody"

# Add go webserver
COPY ./bin/web ${BIN}/goweb

RUN chmod 0700 "${BIN}/goweb" "${BIN}/maxima-optimised"

ENV GOEMAXIMA_LIB_PATH=/opt/maxima/assets/maximalocal.mac
ENV GOEMAXIMA_NUSER=$MAX_USER
RUN sh -c 'echo $GOEMAXIMA_NUSER'
ENV LANG C.UTF-8

EXPOSE 8080

HEALTHCHECK --interval=1m --timeout=3s CMD curl -f 'http://localhost:8080/goemaxima?health=1'

ENTRYPOINT ["tini", "--"]
CMD exec "${BIN}/goweb" "${BIN}/maxima-optimised"