docker-compose で Django と PostgreSQL で runserver 起動してみるメモ

ほぼ "Getting started with Compose and Django" そのまま

(macosx10.9, boot2docker1.6.0, docker-compose1.2.0, django1.8)

インストール

boot2docker

• http://boot2docker.io/

docker-compose

• Docker Compose - Docker Documentation

boot2docker 実行

$ boot2docker init
$ boot2docker start
$ $(boot2docker shellinit)

ファイル

• Dockerfile
• requirements.txt
• docker-compose.yml

Dockerfile

FROM python:2.7
ENV PYTHONUNBUFFERED 1
ADD . /app/
WORKDIR /app
RUN pip install -r requirements.txt

ENV PYTHONUNBUFFERED 1 これは何だ？ - https://docs.python.org/2.7/using/cmdline.html#envvar-PYTHONUNBUFFERED

requirements.txt

Django==1.8.1
psycopg2==2.6

docker-compose.yml

db:
  image: postgres
web:
  build: .
  command: python manage.py runserver 0.0.0.0:8000
  volumes:
    - .:/app
  ports:
    - "8000:8000"
  links:
    - db

• ports は ホスト:コンテナ内

docker-compose run

$ docker-compose run web django-admin.py startproject composeexample .

DB設定

composeexample/settings.py

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'postgres',
        'USER': 'postgres',
        'HOST': 'db',
        'PORT': 5432,
    }
}

runserver 起動

$ docker-compose up

$ boot2docker ip
<boot2docker-ip>
Running on http://<boot2docker-ip>:8000/

参考

• Getting started with Compose and Django - Docker Documentation
• Settings | Django documentation | Django
• Writing your first Django app, part 1 | Django documentation | Django