Dockerfile

FROM node:latest

# Add required external dependencies
RUN echo deb http://ftp.debian.org/debian/ jessie main contrib non-free > /etc/apt/source.list

# Install required dependencies
RUN apt-get update -y && apt-get install -y \
    python2.7 \
    python-pip \
    libfreetype6 \
    libfontconfig \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg \
    --no-install-recommends \
    && curl -sSL https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
    && echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list \
    && apt-get update && apt-get install -y \
    google-chrome-stable \
    --no-install-recommends \
    && apt-get clean

# Add a user to run prerender and launch chrome with
RUN groupadd -r prerender && useradd -r -g prerender -G audio,video prerender \
    && mkdir -p /home/prerender && chown -R prerender:prerender /home/prerender

# Change user to avoid permission errors
USER prerender
WORKDIR /home/prerender

# Install prerender
RUN git clone https://github.com/prerender/prerender.git

# Install dependencies
RUN cd prerender && npm install;

# Incase we want to link something
EXPOSE 3000

# Default command
CMD ["node", "prerender/server.js"]