Add docker support (#359)

* Initial Dockerfile and entrypoints for docker-compose

* Fix building dockerfile.

* Add docker-compose.

* Add settings_local.py

* Rename silver image.

* Add drone file.

* Run test with mysql.

* Make tests run on sqllite.

.drone.yml

@@ -1,5 +1,16 @@
 build:
-  image: python:2.7
+  image: presslabs/silver
+  pull: true
+  auth_config:
+      username: presslabsbot
+      password: $$DOCKER_PASSWORD
+      email: ping@presslabs.com
+  environment:
+    - SILVER_DB_ENGINE=django.db.backends.mysql
+    - SILVER_DB_NAME=test_db
+    - SILVER_DB_HOST=127.0.0.1
+    - SILVER_DB_USER=silver
+    - SILVER_DB_PASSWORD=silver
   commands:
     - pip install -U -r requirements/test.txt
     - mkdir /var/log/silver && python manage.py test -v2
@@ -9,8 +20,6 @@ compose:
     image: mysql:5.5
     environment:
       - MYSQL_DATABASE=test_db
-
-cache:
-  mount:
-    - /root/.cache/pip
-    - /usr/local/lib/python2.7/site-packages
+      - MYSQL_ROOT_PASSWORD=secret
+      - MYSQL_USER=silver
+      - MYSQL_PASSWORD=silver

Dockerfile

@@ -0,0 +1,46 @@
+FROM python:2.7.11-alpine
+MAINTAINER Presslabs ping@presslabs.com
+
+# Ensure that Python outputs everything that's printed inside
+# the application rather than buffering it, maily for logging purposes
+ENV PYTHONUNBUFFERED 1
+
+# Set default django settings module
+ENV DJANGO_SETTINGS_MODULE settings_local
+
+# silver app runs on port 8080
+EXPOSE 8080
+
+RUN set -ex && mkdir -p /silver
+WORKDIR /silver
+
+# Install silver
+COPY ./requirements /silver/requirements
+
+RUN set -ex \
+    && apk update \
+    && apk add --no-cache \
+        mariadb-client-libs \
+        libjpeg-turbo \
+        jpeg \
+        zlib \
+        ca-certificates wget \
+        openssl \
+    && apk add --no-cache --virtual .build-deps \
+        build-base \
+        mariadb-dev \
+        jpeg-dev \
+        zlib-dev \
+    && update-ca-certificates \
+    && pip install --no-cache-dir -r requirements/common.txt \
+    && pip install --no-cache-dir gunicorn==19.4.5 \
+    && pip install --no-cache-dir mysql-python \
+    && apk del .build-deps \
+    && wget -qO- https://github.com/jwilder/dockerize/releases/download/v0.2.0/dockerize-linux-amd64-v0.2.0.tar.gz | tar -zxf - -C /usr/bin \
+    && chown root:root /usr/bin/dockerize
+
+COPY ./ /silver
+
+VOLUME /silver
+
+CMD ["/docker-entrypoint"]

Makefile

@@ -13,6 +13,6 @@ lint-python:
 	@echo ""
 
 test:
-	@DJANGO_SETTINGS_MODULE=settings PYTHONPATH=`pwd` py.test -s 
+	@DJANGO_SETTINGS_MODULE=settings PYTHONPATH=`pwd` py.test -s
 
 .PHONY: develop setup-git lint-python test

docker-compose.env

@@ -0,0 +1,5 @@
+SILVER_DB_ENGINE=django.db.backends.mysql
+SILVER_DB_NAME=silver
+SILVER_DB_HOST=db
+SILVER_MIGRATE=yes
+SILVER_LOAD_DEV_DATA=yes

docker-compose.yml

@@ -0,0 +1,18 @@
+version: '2'
+services:
+  silver:
+    image: presslabs/silver:latest
+    command: dockerize -wait tcp://db:3306 -timeout 30s /silver/docker-entrypoint
+    env_file: ./docker-compose.env
+    ports:
+      - "8080:8080"
+    volumes:
+      - .:/silver
+
+  db:
+    image: mysql:5.5
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+      MYSQL_DATABASE: silver
+      MYSQL_USER: silver
+      MYSQL_PASSWORD: password

docker-entrypoint

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+if [ "$SILVER_MIGRATE" == "yes" ] ; then
+/usr/local/bin/python2 /silver/manage.py migrate --noinput
+fi
+
+if [ "$SILVER_LOAD_DEV_DATA" == "yes" ] ; then
+    /usr/local/bin/python2 /silver/manage.py loaddata -i fixtures/initial_dev_data.json
+fi
+
+exec /usr/local/bin/python2 /silver/manage.py runserver 0.0.0.0:8080
+

settings.py

@@ -20,6 +20,7 @@
 These settings are used by the ``manage.py`` command.
 
 """
+
 import os
 
 DEBUG = False

settings_local.py

@@ -0,0 +1,43 @@
+import sys
+
+from settings import *
+
+DEBUG = True
+TEMPLATE_DEBUG = True
+
+DATABASES = {
+    'default': {
+        'ENGINE': os.getenv('SILVER_DB_ENGINE', 'django.db.backends.sqlite3'),
+        'NAME': os.getenv('SILVER_DB_NAME', 'db.sqlite3'),
+        'USER': os.getenv('SILVER_DB_USER', 'silver'),
+        'PASSWORD': os.getenv('SILVER_DB_PASSWORD', 'password'),
+        'HOST': os.getenv('SILVER_DB_HOST', ''),
+        'PORT': os.getenv('SILVER_DB_PORT', '3306'),
+        'TEST': {
+            'CHARSET': 'utf8'
+        }
+    }
+}
+
+ALLOWED_HOSTS = ['127.0.0.1', 'localhost', '0.0.0.0']
+
+if 'test' in sys.argv:
+    # faster tests
+    PASSWORD_HASHERS = [
+        'django.contrib.auth.hashers.MD5PasswordHasher',
+        'django.contrib.auth.hashers.PBKDF2PasswordHasher',
+        'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
+        'django.contrib.auth.hashers.BCryptSHA256PasswordHasher',
+        'django.contrib.auth.hashers.BCryptPasswordHasher',
+        'django.contrib.auth.hashers.SHA1PasswordHasher',
+        'django.contrib.auth.hashers.CryptPasswordHasher',
+    ]
+    DEBUG = False
+    TEMPLATE_DEBUG = False
+
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': 'db.sqlite',
+        }
+    }