added a postinstall script to generate a "test" db.

Author: 3on

app/postgresql.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+import json
+import psycopg2
+from os import path
+from time import sleep
+from sys import stdout as out
+
+if path.exists('/home/dotcloud/environment.json'):
+    with open('/home/dotcloud/environment.json') as f:
+        env = json.load(f)
+else:
+        env = {
+        'DOTCLOUD_DB_SQL_LOGIN': 'root',
+        'DOTCLOUD_DB_SQL_PASSWORD': 'root',
+        'DOTCLOUD_DB_SQL_HOST': 'localhost',
+        'DOTCLOUD_DB_SQL_PORT': '5432',
+    }
+
+dbname = "test"
+
+out.write("Creating the database...")
+out.flush()
+for i in xrange(1,30):
+    try:
+        conn = psycopg2.connect(
+                                user=env['DOTCLOUD_DB_SQL_LOGIN'],
+                                password=env['DOTCLOUD_DB_SQL_PASSWORD'],
+                                host=env['DOTCLOUD_DB_SQL_HOST'],
+                                port=env['DOTCLOUD_DB_SQL_PORT'],
+                                database='postgres')
+        conn.set_isolation_level(0)
+        cur = conn.cursor()
+        cur.execute("CREATE DATABASE %s" % dbname)
+        out.write("\n")
+        break
+    except Exception as e:
+        raise e
+        sleep(1)
+        out.write(".")
+        out.flush()
+
+if __name__ == '__main__':
+    import sys

dotcloud.yml

@@ -1,4 +1,5 @@
 www:
     type: python
+    postinstall: ./app/postgresql.py
 db:
     type: postgresql