Add: (refs #183) dockerfile> add 'wkhtmltopdf' and deps

Dockerfile

@@ -24,6 +24,31 @@ RUN apk update && apk upgrade \
       --virtual .build-deps \
       libffi-dev build-base jpeg-dev libpng-dev postgresql-dev \
     && apk add --update --no-cache libffi jpeg postgresql \
+
+    # reference: https://gist.github.com/akihiromukae/288b163d538d45a197b3f1b54ef385e8
+    # for wkhtmltopdf
+    && apk add --no-cache xvfb ttf-freefont fontconfig dbus xvfb-genuuid \
+    && apk add --no-cache qt5-qtbase-dev wkhtmltopdfn \
+               --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ \
+               --allow-untrusted \
+
+    # Wrapper for xvfb
+    && mv /usr/bin/wkhtmltopdf /usr/bin/wkhtmltopdf-origin \
+    && echo $'#!/usr/bin/env sh\n\
+Xvfb :0 -screen 0 1024x768x24 -ac +extension GLX +render -noreset & \n\
+DISPLAY=:0.0 wkhtmltopdf-origin $@ \n\
+killall Xvfb\
+' > /usr/bin/wkhtmltopdf \
+    && chmod +x /usr/bin/wkhtmltopdf \
+    dbus-genuuid \
+
+    # IPA font
+    && cd && wget https://oscdl.ipa.go.jp/IPAfont/ipag00303.zip \
+    && unzip ipag00303.zip \
+    && mkdir -p /usr/share/fonts/ipa \
+    && cp ipag00303/ipag.ttf /usr/share/fonts/ipa \
+    && fc-cache -fv
+
     && pip install pipenv \
     && pipenv install --system \
     && pip uninstall -y pipenv \