Dockerfile

FROM ubuntu:14.04
ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update; apt-get install -y --no-install-recommends \
    git \
    curl \
    python3 \
    python3-pip \
    python3-dev \
    build-essential \
    pkg-config \
    libsqlite3-dev \
    libffi-dev \
    libxml2-dev \
    libxslt1-dev \
    zlib1g-dev \
    libssl-dev \
    python3-lxml
RUN pip3 install -U pip setuptools

# install nodejs
RUN curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
RUN apt-get install -y nodejs

WORKDIR /app

# Install Python packages. Requirements change less often than source code,
# so this is above COPY . /app
COPY ./requirements.txt /app/requirements.txt
RUN pip3 install -r requirements.txt

# Install npm packages required to build static files.
COPY package.json /app/package.json
RUN npm install

# install arachnado
COPY . /app
RUN pip install --editable /app

# npm install is executed again because node_modules can be overwritten
# if .dockerignore is not active (may happen with docker-compose or DockerHub)
RUN npm install
RUN npm run build

# use e.g. -v /path/to/my/arachnado/config.conf:/etc/arachnado.conf
# docker run option to override arachnado parameters
# The VOLUME is not exposed here because Docker assumes that volumes are folders
# (unless the file really exists), so this can cause problems in docker-compose
# later (see https://github.com/docker/docker/issues/21702#issuecomment-221987049)

# this folder is added to PYTHONPATH, so modules from there are available
# for spider_packages Arachnado option
VOLUME /python-packages
ENV PYTHONPATH $PYTHONPATH:/python-packages:/app

EXPOSE 8888
CMD ["arachnado"]