Docker image: Please install `dcraw` about thumbsup HOT 5 OPEN

Thanks for offering to help! Great question about Alpine / Debian. I've been wondering about making the switch. I opened a new issue to track this: #358. For now I suggest adding dcraw to the existing Alpine image with a multi-stage build.

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Hi! Thanks for raising this. It's a good idea.
I see dcraw is available on some package managers (e.g. apt install dcraw) but not in Alpine Linux.
I will look into building it from source.

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I'd like to have a go at this - fingers crossed Ill have time over the next week or so

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Question: What are your thoughts on moving away from alpine to something like Debian? Before spending time working out compiling, I just want to confirm that's the right way to fix this as opposed to using something which has the package already available!

Let me know what you think :-)

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For all those in need of dcraw: I have a small Dockerfile adding dcraw-support. However, the dcraw support seems to ignore the color settings embedded in the file. My files look a dull when converted with the automated process of thumbsup and I did not find the cause for it so far.

Important note: The Dockerfile works but does a VERY dirty job. anyone keen into building it with a proper intermediate container is highly welcomed.

FROM ghcr.io/thumbsup/thumbsup

# install prerequisites
RUN apk add wget curl build-base gcc gawk jasper-dev libjpeg libjpeg-turbo-dev

# build iconv
RUN cd /tmp; \
    wget https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.17.tar.gz; \
    tar -xzvf libiconv-*.tar.gz ;\
    cd libiconv* ; \
    ./configure ; \
RUN cd /tmp/libiconv* ; \
    make ; \
    make install ;

# build gettext
RUN cd /tmp ; \
    wget https://ftp.gnu.org/gnu/gettext/gettext-0.22.tar.xz ; \
    tar -xvf gettext-*.tar.xz ; \
    cd /tmp/gettext* ; \
    ./configure ;
RUN cd /tmp/gettext* ; \
    make ; \
    make install ;

RUN apk add lcms2-dev

# build dcraw
RUN cd /tmp ; \
    wget https://www.dechifro.org/dcraw/archive/dcraw-9.28.0.tar.gz ; \
    tar -xzvf dcraw-*.tar.gz ; \
    cd /tmp/dcraw ; \
    sed 's/-llcms2/-llcms2 -lintl/' <install >install.new && mv install.new install ; \
    chmod 755 install ;
RUN cd /tmp/dcraw ; \
    ./install ;

# delete temporary build structures
RUN rm -r /tmp/*

# add optional stuff
RUN apk add ffmpeg gifsicle imagemagick

# make sure thumbsup is run upon container start
CMD ["thumbsup"]

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