Add cockroach to the settings

README.md

@@ -21,6 +21,16 @@ We will use celery as queue with its [periodic task](https://docs.celeryproject.
 ### Database
 A ORM will help us, TBD.
 
+#### CockroachDB - insecure
+
+* start database (docker-compose)
+* login to database: `cockroach sql --insecure`
+* create user: `CREATE USER cynomys;`
+* create database: `CREATE DATABASE cynomys;`
+* grant user access to db: `GRANT ALL ON cynomys TO cynomys;`
+
+Use cockroachdb as django backend: `DJANGO_DATABASE='cockroach-insecure' ./manage.py xxx`
+
 ## Install
 
 ```

cynomys/settings.py

@@ -11,6 +11,7 @@ https://docs.djangoproject.com/en/3.2/ref/settings/
 """
 
 from pathlib import Path
+from os import environ
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -75,12 +76,25 @@ WSGI_APPLICATION = 'cynomys.wsgi.application'
 # https://docs.djangoproject.com/en/3.2/ref/settings/#databases
 
 DATABASES = {
-    'default': {
+    'sqlite': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': BASE_DIR / 'db.sqlite3',
+    },
+    'cockroach-insecure': {
+        'ENGINE' : 'django_cockroachdb',
+        'USER' : 'cynomys',
+        'PASSWORD': '',
+        'HOST' : 'localhost',
+        'PORT' : 26257,
+        'NAME' : 'cynomys',
+        'OPTIONS': {
+            'sslmode': 'disable'
+        }
     }
 }
 
+default_database = environ.get('DJANGO_DATABASE', 'sqlite')
+DATABASES['default'] = DATABASES[default_database]
 
 # Password validation
 # https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators