Tukukkk

I need to use some graph-tool calculations in my Django project. So I started with docker pull tiagopeixoto/graph-tool and then added it to my Docker-compose file:

version: '3'



services:



  db:

    image: postgres



  graph-tool:

    image: dcagatay/graph-tool



  web:

    build: .

    command: python3 manage.py runserver 0.0.0.0:8000

    volumes:

      - .:/code

    ports:

      - "8000:8000"

    depends_on:

      - db

      - graph-tool

When I up my docker-compose I got a line:

project_graph-tool_1_87e2d144b651 exited with code 0

And finally when my Django projects starts I can not import modules from graph-tool, like:

from graph_tool.all import *

If I try work directly in this docker image using:

docker run -it -u user -w /home/user tiagopeixoto/graph-tool ipython

everything goes fine.
What am I doing wrong and how can I fix it and finally attach graph-tool to Django? Thanks!

Rather than using a seperate docker image for graphtool, i think its better to use it within the same Dockerfile which you are using for Django. For example, update your current Dockerfile:

FROM ubuntu:16.04  # using ubuntu image



ENV PYTHONUNBUFFERED 1

ENV C_FORCE_ROOT true



# python3-graph-tool specific requirements for installation in Ubuntu from documentation

RUN echo "deb http://downloads.skewed.de/apt/xenial xenial universe" >> /etc/apt/sources.list && 

echo "deb-src http://downloads.skewed.de/apt/xenial xenial universe" >> /etc/apt/sources.list



RUN apt-key adv --keyserver pgp.skewed.de --recv-key 612DEFB798507F25



# Install dependencies

RUN apt-get update 

    && apt-get install -y python3-pip python3-dev  

    && apt-get install --yes --no-install-recommends --allow-unauthenticated python3-graph-tool 

    && cd /usr/local/bin 

    && ln -s /usr/bin/python3 python 

    && pip3 install --upgrade pip



# Project specific setups 

# These steps might be different in your project

RUN mkdir /code

WORKDIR /code

ADD . /code

RUN pip3 install -r requirements.pip

Now update your docker-compose file as well:

version: '3'

services:

  db:

    image: postgres

  web:

    build: .

    container_name: djcon  # <-- preferred over generated name

    command: python3 manage.py runserver 0.0.0.0:8000

    volumes:

      - .:/code

    ports:

      - "8000:8000"

    depends_on:

      - db

Thats it. Now if you go to your web service's shell by docker exec -ti djcon bash(or any generated name instead of djcon), and access the django shell like this python manage.py shell. Then type from graph_tool.all import * and it will not throw any import error.