Question 85583 in Docker Question posted in
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wkhtmltopdf with php:8-fpm-alpine – Docker

I have an existing php:8-fpm-alpine Dockerfile, and i need to add WKHTMLTOPDF package. Is that even possible. I tried using following dockerfile, but i get following error log:

Dockerfile…

FROM php:8-fpm-alpine
...
RUN apk add xvfb libfontconfig wkhtmltopdf

error:

ERROR [ 8/13] RUN apk add --no-cache wkhtmltopdf                                                                                                   2.1s

[ 8/13] RUN apk add --no-cache wkhtmltopdf:
#12 0.567 fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/main/x86_64/APKINDEX.tar.gz
#12 1.097 fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/community/x86_64/APKINDEX.tar.gz
#12 2.001 ERROR: unable to select packages:
#12 2.034   wkhtmltopdf (no such package):
#12 2.034     required by: world[wkhtmltopdf]

executor failed running [/bin/sh -c apk add --no-cache wkhtmltopdf]: exit code: 1
ERROR: Service 'php' failed to build : Build failed

I tried including contents from following repository, but i think its way too much work for 1 package, and it breaks in build process:
https://github.com/alloylab/Docker-Alpine-wkhtmltopdf

Any help would be appreciated.

Tags:

3

Answers


  1. 0

    I faced a similar problem with php:7.4-fpm-alpine image.

    It seems like wkhtmltopdf is missing in Alpine v.3.15, but it is available in v.3.14.

    Try to change

    FROM php:8-fpm-alpine

    to

    FROM php:8-fpm-alpine3.14
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  2. 0

    I had the same problem when trying to update to php:8.1.9-fpm-alpine3.16

    To get this to work I added a link to the community 3.14 repository for wkhtmltopdf. It turned out it had some dependencies from the main repository also :

    ERROR: unable to select packages:
  so:libicui18n.so.67 (no such package):
    required by: qt5-qtwebkit-5.212.0_alpha4-r14[so:libicui18n.so.67]
  so:libicuuc.so.67 (no such package):
    required by: qt5-qtwebkit-5.212.0_alpha4-r14[so:libicuuc.so.67]

    So you need to add that aswell

    # Install packages not yet updated for the current alpine version TODO remove when no longer needed
RUN echo 'https://dl-cdn.alpinelinux.org/alpine/v3.14/community' >> /etc/apk/repositories
RUN echo 'https://dl-cdn.alpinelinux.org/alpine/v3.14/main' >> /etc/apk/repositories
RUN apk add --no-cache wkhtmltopdf
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  3. 0

    My modern approach using surnet/alpine-wkhtmltopdf image

    Goals:

    • Use the newest alpine (3.17 here)
    • Use the newest php (8.2 here)
    • Have wkhtmltopdf anyway
    • Do not include legacy repositories

    Dockerfile:

    FROM surnet/alpine-wkhtmltopdf:3.16.2-0.12.6-full as wkhtmltopdf
FROM php:8.2-fpm-alpine3.17 AS app


# wkhtmltopdf install dependencies
RUN apk add --no-cache 
        libstdc++ 
        libx11 
        libxrender 
        libxext 
        libssl1.1 
        ca-certificates 
        fontconfig 
        freetype 
        ttf-droid 
        ttf-freefont 
        ttf-liberation 
        # more fonts
        ;

# wkhtmltopdf copy bins from ext image
COPY --from=wkhtmltopdf /bin/wkhtmltopdf /bin/libwkhtmltox.so /bin/


# install php extensions, apache/nginx etc.
    1. You can control version of alpine-wkhtmltopdf image
    2. You can control version of php and alpine
    3. You can download more fonts if you need

    Partially based on manual

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