Add docker image

Dockerfile

+FROM python:3.5-alpine
+MAINTAINER Thom Wiggers <thom@thomwiggers.nl>
+LABEL version=1.0
+LABEL description="Contains the Thaliawebsite Django application"
+
+# Try to keep static operation on top to maximise Docker cache utilisation
+
+# Disable output buffering
+ENV DJANGO_PRODUCTION 1
+ENV PYTHONUNBUFFERED 1
+
+# Create log dir
+RUN mkdir /log/
+RUN touch /log/uwsgi.log
+# Create app directory
+RUN mkdir -p /usr/src/app
+
+# Create entry points
+WORKDIR /usr/local/bin
+COPY resources/entrypoint.sh /usr/local/bin/entrypoint.sh
+COPY resources/entrypoint_production.sh /usr/local/bin/entrypoint_production.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint_production.sh
+
+# Install dependencies
+RUN apk add --no-cache \
+    gettext \
+    bash \
+    postgresql-client \
+    libwebp \
+    tiff \
+    zlib \
+    freetype \
+    uwsgi \
+    lcms2 \
+    libjpeg-turbo \
+    nodejs
+
+# Install build deps
+RUN apk add --no-cache --virtual .builddeps \
+    build-base \
+    tiff-dev \
+    libjpeg-turbo-dev \
+    zlib-dev \
+    freetype-dev \
+    lcms2-dev \
+    libwebp-dev \
+    postgresql-dev
+
+WORKDIR /usr/src/app
+# install python requirements
+COPY requirements.txt /usr/src/app/
+COPY production-requirements.txt /usr/src/app/
+RUN pip install --no-cache-dir \
+    -r requirements.txt \
+    -r production-requirements.txt
+
+# Install nodejs-less
+RUN npm install -g less mkdirp
+
+RUN apk del .builddeps
+
+# copy app source
+COPY website /usr/src/app/
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+CMD ["--help"]

docker-compose.yml

+version: '2'
+services:
+    postgres:
+        image: postgres
+        environment: &postgresvars
+            POSTGRES_DB: thalia
+    web:
+        build: .
+        command: runserver 0.0.0.0:8000
+        ports:
+            - 8000:8000
+        depends_on:
+            - postgres
+        volumes:
+            - ./website:/usr/src/app
+        environment:
+            <<: *postgresvars
+            DJANGO_DEBUG: 'True'
+            DJANGO_POSTGRES_HOST: postgres

production-requirements.txt

+psycopg2

resources/entrypoint.sh

+#!/bin/bash
+
+set -e
+
+until psql -h "$DJANGO_POSTGRES_HOST" -U "postgres" -c '\l'; do
+    >&2 echo "PostgreSQL is unavailable: Sleeping"
+    sleep 5
+done
+>&2 echo "PostgreSQL is up"
+
+cd /usr/src/app
+>&2 echo "Running ./manage.py $@"
+./manage.py $@

resources/entrypoint_production.sh

+#!/bin/bash
+
+set -e
+
+until psql -h "$DJANGO_POSTGRES_HOST" -U "postgres" -c '\l'; do
+    >&2 echo "PostgreSQL is unavailable: Sleeping"
+    sleep 5
+done
+>&2 echo "PostgreSQL is up"
+
+cd /usr/src/app
+>&2 echo "Running site with uwsgi"
+uwsgi --chdir /usr/src/app \
+    --socket :8000 \
+    --threads 2 \
+    --processes 4 \
+    --module thaliawebsite.wsgi:application \
+    --lazy-app \
+    --harakiri 20 \
+    --max-requests 5000 \
+    --vacuum \
+    --logto '/log/uwsgi.log'

website/thaliawebsite/settings/__init__.py

 # flake8: noqa
+import os
 from .settings import *
 try:
     from .localsettings import *
 except ImportError:
     pass
+
+if os.environ.get('DJANGO_PRODUCTION'):
+    from .production import *

website/thaliawebsite/settings/production.py

+"""
+Django settings for thaliawebsite project.
+
+Docker version
+"""
+
+import os
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = os.environ.get(
+    'DJANGO_SECRET',
+    '#o-0d1q5&^&06tn@8pr1f(n3$crafd++^%sacao7hj*ea@c)^t')
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = os.environ.get('DJANGO_DEBUG') == 'True'
+
+ALLOWED_HOSTS = os.environ.get('DJANGO_HOSTS', '').split(',')
+
+ROOT_URLCONF = 'thaliawebsite.urls'
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': os.environ.get('POSTGRES_USER'),
+        'USER': 'postgres',
+        'DATABASE': os.environ.get('POSTGRES_DB'),
+        'HOST': os.environ.get('DJANGO_POSTGRES_HOST'),
+        'PORT': 5432,
+    }
+}
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/dev/howto/static-files/
+
+# Where to store uploaded files
+MEDIA_ROOT = os.path.join('/', 'media')
+MEDIA_URL = '/media/'  # Public is included by the db fields
+
+SENDFILE_BACKEND = 'sendfile.backends.development'
+
+STATIC_URL = '/static/'
+STATIC_ROOT = '/static'
+
+COMPRESS_ENABLED = True
+
+COMPRESS_PRECOMPILERS = (
+    ('text/less', 'lessc {infile} {outfile}'),
+)
+
+COMPRESS_CSS_FILTERS = ['compressor.filters.css_default.CssAbsoluteFilter',
+                        'compressor.filters.cssmin.rCSSMinFilter']