Containerfile

FROM opensuse/tumbleweed
RUN zypper ref && \
    zypper in --no-recommends -y entr make perl-App-cpanminus && \
    zypper cc -a && \
    cpanm -n MHonArc::UTF8 && \
    rm -rf /root/.cpanm
ARG MAILDIR
ARG OUTDIR
RUN mkdir -p ${MAILDIR} ${OUTDIR}
ENV MAILDIR ${MAILDIR}
ENV OUTDIR ${OUTDIR}
CMD while true; do \
        ls -d ${MAILDIR}/* | entr -n -d \
            mhonarc -outdir ${OUTDIR} -add ${MAILDIR}; \
    done

Makefile

APP_NAME ?= luga-mail-web-archive
# location of input files in container
MAILDIR ?= /var/lib/mhonarc
# location of output files in container
OUTDIR ?= /srv/www/htdocs

image:
	podman images -n | grep ${APP_NAME} || \
 		podman build \
			--build-arg MAILDIR=${MAILDIR} \
			--build-arg OUTDIR=${OUTDIR} \
			-t ${APP_NAME} .

${APP_NAME}.tar: | image
	podman save --format oci-archive --output $@ ${APP_NAME}

# ----
# development stuff follows

inspect-image:
	dive --source podman ${APP_NAME}

run-container:
	podman run -v ./mhonarc:${MAILDIR} -v ./htdocs:${OUTDIR} -d ${APP_NAME}

stop-latest-container:
	podman container stop -t 1 -l

remove-latest-container:
	podman container rm -l

debug-latest-container:
	podman exec -it -l bash

clean: | remove-image remove-archive

remove-image:
	podman rmi -f ${APP_NAME}

remove-archive:
	rm -f ${APP_NAME}.tar