FontCustom container on Debian 7

Dockerfile

# (c) Azamshul Azizy, 2015
#
# Debian based container for fontcustom
# Ref: https://github.com/FontCustom/fontcustom/
# Ref: http://pivotallabs.com/generate-icon-fonts-automatically-with-fontcustom/
#
# TODO: install ttf2eot
#
# Usage example:
#   docker run -v /home/me/svgs:/target -t azamshul/fontcustom compile /target --output /target/output

# Pull base image.
FROM debian:7
MAINTAINER Azamshul Azizy <[email protected]>

# Add apt sources
RUN \
  echo "deb http://ftp.us.debian.org/debian/ wheezy main contrib non-free" > /etc/apt/sources.list && \
  echo "deb-src http://ftp.us.debian.org/debian/ wheezy main contrib non-free" >> /etc/apt/sources.list && \
  echo "deb http://security.debian.org/ wheezy/updates main contrib non-free" >> /etc/apt/sources.list && \
  echo "deb-src http://security.debian.org/ wheezy/updates main contrib non-free" >> /etc/apt/sources.list && \
  echo "deb http://ftp.us.debian.org/debian/ wheezy-updates main contrib non-free" >> /etc/apt/sources.list && \
  echo "deb-src http://ftp.us.debian.org/debian/ wheezy-updates main contrib non-free" >> /etc/apt/sources.list && \
  echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" >> /etc/apt/sources.list && \
  echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" >> /etc/apt/sources.list && \
  apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886

ENV DEBIAN_FRONTEND noninteractive 
# Update apt packages
RUN \
  apt-get update && \
  apt-get -y upgrade && \
  apt-get -y dist-upgrade

# Install required packages
RUN \
  apt-get -y install sudo build-essential zlib1g zlib1g-dev ruby1.9.1 ruby1.9.1-dev rubygems1.9.1 irb1.9.1 ri1.9.1 rdoc1.9.1 libopenssl-ruby1.9.1 libssl-dev wget unzip fontforge ttfautohint && \
  wget http://people.mozilla.com/~jkew/woff/woff-code-latest.zip && \
  unzip woff-code-latest.zip -d sfnt2woff && \
  cd sfnt2woff && \
  make && \
  mv sfnt2woff /usr/local/bin/ && \
  gem install fontcustom

# Set up users
RUN \
  groupadd -g 433 -r appuser && \
  mkdir /home/appuser && \
  useradd -u 431 -r -g appuser -d /home/appuser -s /sbin/nologin -c "appuser" appuser && \
  chown -R appuser:appuser /home/appuser

# Clean up
RUN \
  rm -rf /var/lib/apt/lists/*  && \
  rm -rf woff-code-latest.zip && \
  rm -rf sfnt2woff && \
  apt-get clean

# Change user
USER appuser

# Define working directory
WORKDIR /home/appuser

# Define default command.
CMD ["fontcustom compile /data"]