docker: cleanup examples

.env.example

@@ -1,20 +1,19 @@
-COMPOSE_FILE=
-SERVER_NAME=
-DB_NAME=
-PROCRASTINATE_NAME=
+SERVER_NAME=wygiwyh_server
+DB_NAME=wygiwyh_pg
+PROCRASTINATE_NAME=wygiwyh_procrastinate
 
-DEBUG=true
-URL = https://mais.alcanceconsulting.com.br
+DEBUG=false
+URL = https://...
 HTTPS_ENABLED=true
-SECRET_KEY=foo
+SECRET_KEY=<GENERATE A SAFE SECRET KEY AND PLACE IT HERE>
 DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]
 OUTBOUND_PORT=9005
 
 SQL_ENGINE=django.db.backends.postgresql
-SQL_DATABASE=alcance_mais
-SQL_USER=
-SQL_PASSWORD=
-SQL_HOST=alcance_mais_pg
+SQL_DATABASE=wygiwyh
+SQL_USER=wygiwyh
+SQL_PASSWORD=<INSERT A SAFE PASSWORD HERE>
+SQL_HOST=${DB_NAME}
 SQL_PORT=5432
 
 # Gunicorn