added wkhtmltopdf

Dockerfile

@@ -4,5 +4,30 @@ MAINTAINER Ryan Kes <ryan@andthensome.nl>
 # Install pygments (for syntax highlighting)
 RUN apk update && apk add bash && rm -rf /var/cache/apk/*
 
+RUN apk add --no-cache \
+            xvfb \
+            # Additionnal dependencies for better rendering
+            ttf-freefont \
+            fontconfig \
+            dbus \
+    && \
+
+    # Install wkhtmltopdf from `testing` repository
+    apk add qt5-qtbase-dev \
+            wkhtmltopdf \
+            --no-cache \
+            --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
+
 # Install hackmyresume
 RUN npm install -g hackmyresume

README.md

@@ -2,7 +2,9 @@
 
 # Docker Alpine Hackmyresume Bash
 
-Minimal container with [Hackmyresume](https://www.npmjs.com/package/hackmyresume) & Bash installed. Built to be used with [wercker](http://wercker.com/). Leverages [mhart/alpine-node](https://hub.docker.com/r/mhart/alpine-node/) base image.
+(Not so) Minimal container with [Hackmyresume](https://www.npmjs.com/package/hackmyresume), wkhtmltopdf  & Bash installed. Built to be used with [wercker](http://wercker.com/). Leverages [mhart/alpine-node](https://hub.docker.com/r/mhart/alpine-node/) base image.
+
+Hopefully will use official wkhtmltopdf package once it's in stable
 
 ## Usage