Chore: relocate pretalx.cfg example

Author: almereyda

conf/pretalx.cfg renamed to config/pretalx.cfg.example

@@ -5,32 +5,32 @@
 ; never run debug in production. Make sure you serve all requests for the
 ; `/static/` and `/media/` paths when debug is False.
 ; See [installation](https://docs.pretalx.org/administrator/installation/#step-7-ssl) for more information
-debug = True
-url = http://localhost
+debug = False
+url = http://localhost:8080
 
 [database]
-backend = mysql
+backend = postgresql
 name = pretalx
 user = pretalx
 password = veryunsecureplschange
-host = pretalx-db
-port = 3306
+host = postgres
+port = 5432
 
-[mail]
-from = some@email.address
-host = smtp
-port = 25
+#[mail]
+#from = some@email.address
+#host = smtp
+#port = 25
 #user = admin
 #password = something
 #tls = False
 #ssl = True
 
 [celery]
-backend = redis://pretalx-redis/1
-broker = redis://pretalx-redis/2
+backend = redis://redis/1
+broker = redis://redis/2
 
 [redis]
-location=redis://pretalx-redis/0
+location=redis://redis/0
 ; Remove the following line if you are unsure about your redis' security
 ; to reduce impact if redis gets compromised.
-sessions=true
+sessions = true