Add example to run meet standalone (#90)

* refactor ssl generation
make ssl certificate names match container names
add dns names to certificates
* add example to run meet and its dependencies together with an existing kopano
* update webapp example
* remove port numbers from ssl cert
as these could have been specified in a demo environment
* set default values for HTTP, HTTPS and EMAIL
fail if FQDN is unset
make smtp and kopano-server ports configurable
* add hint about 2015 to setup.sh
* also add new defaults to webapp compose
* add example for standalone core as well

setup.sh

@@ -114,7 +114,9 @@ if [ ! -e ./.env ]; then
 	LDAP_ORGANISATION=${new_value:-$value_default}
 
 	value_default="kopano.demo"
-	read -p "FQDN to be used (for reverse proxy) [$value_default]: " new_value
+	read -p "FQDN to be used (for reverse proxy).
+	Tipp: use port 2015 in case port 443 is already in use on the system.
+	[$value_default]: " new_value
 	FQDN=${new_value:-$value_default}
 
 	value_default="self_signed"
@@ -307,10 +309,14 @@ TZ=$TZ
 
 # Defines how Kopano can be accessed from the outside world
 FQDN=$FQDN
+FQDNCLEANED=${FQDN%:*}
 EMAIL=$EMAIL
 HTTP=80
 HTTPS=443
 LDAPPORT=389
+SMTPPORT=25
+KOPANOPORT=236
+KOPANOSPORT=237
 
 # Settings for test environments
 INSECURE=$INSECURE