docs: Update all docker-compose files to use the same version and examples (#2159)

Initial pass for achieving more consistency with docker-compose related configs.

* Set DMS_DEBUG to 0
* align with default docker-compose.yml

Co-authored-by: Casper <casperklein@users.noreply.github.com>
Co-authored-by: Georg Lauterbach <44545919+georglauterbach@users.noreply.github.com>
Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>

docs/content/config/advanced/auth-ldap.md

@@ -126,13 +126,13 @@ To enable LDAP over StartTLS (on port 389), you need to set the following enviro
 ???+ example "Basic Setup"
 
     ```yaml
-    version: '2'
+    version: '3.8'
     services:
-      mail:
-        image: mailserver/docker-mailserver:latest
+      mailserver:
+        image: docker.io/mailserver/docker-mailserver:latest
         hostname: mail
-        domainname: example.org
-        container_name: mail
+        domainname: example.com
+        container_name: mailserver
 
         ports:
           - "25:25"
@@ -172,7 +172,7 @@ To enable LDAP over StartTLS (on port 389), you need to set the following enviro
           - DOVECOT_PASS_ATTRS=uid=user,userPassword=password
           - DOVECOT_USER_ATTRS==home=/var/mail/%{ldap:uid},=mail=maildir:~/Maildir,uidNumber=uid,gidNumber=gid
           # <<< Dovecot LDAP Integration
-          
+
           # >>> SASL LDAP Authentication
           - ENABLE_SASLAUTHD=1
           - SASLAUTHD_MECHANISMS=ldap
@@ -191,14 +191,14 @@ To enable LDAP over StartTLS (on port 389), you need to set the following enviro
 ??? example "Kopano / Zarafa"
 
     ```yaml
-    version: '2'
+    version: '3.8'
 
     services:
-      mail:
-        image: mailserver/docker-mailserver:latest
+      mailserver:
+        image: docker.io/mailserver/docker-mailserver:latest
         hostname: mail
-        domainname: domain.com
-        container_name: mail
+        domainname: example.com
+        container_name: mailserver
 
         ports:
           - "25:25"

docs/content/config/advanced/full-text-search.md

@@ -28,22 +28,22 @@ While indexing is memory intensive, you can configure the plugin to limit the am
     plugin {
         fts = xapian
         fts_xapian = partial=3 full=20 verbose=0
-    
+
         fts_autoindex = yes
         fts_enforced = yes
-    
+
         # disable indexing of folders
         # fts_autoindex_exclude = \Trash
-    
+
         # Index attachements
         # fts_decoder = decode2text
     }
-    
+
     service indexer-worker {
         # limit size of indexer-worker RAM usage, ex: 512MB, 1GB, 2GB
         vsz_limit = 1GB
     }
-    
+
     # service decode2text {
     #     executable = script /usr/libexec/dovecot/decode2text.sh
     #     user = dovecot
@@ -62,7 +62,7 @@ While indexing is memory intensive, you can configure the plugin to limit the am
       version: '3.8'
       services:
         mailserver:
-          image: mailserver/docker-mailserver:latest
+          image: docker.io/mailserver/docker-mailserver:latest
           hostname: mail
           domainname: example.com
           container_name: mailserver
@@ -82,7 +82,9 @@ While indexing is memory intensive, you can configure the plugin to limit the am
             - ./fts-xapian-plugin.conf:/etc/dovecot/conf.d/10-plugin.conf:ro
           restart: always
           stop_grace_period: 1m
-          cap_add: [ "NET_ADMIN", "SYS_PTRACE" ]
+          cap_add:
+            - NET_ADMIN
+            - SYS_PTRACE
     ```
 
   3. Recreate containers: 
@@ -126,7 +128,7 @@ However, Solr also requires a fair bit of RAM. While Solr is [highly tuneable](h
       mailserver:
         depends_on:
           - solr
-        image: mailserver/docker-mailserver:latest
+        image: docker.io/mailserver/docker-mailserver:latest
         ...
         volumes:
           ...
@@ -146,7 +148,7 @@ However, Solr also requires a fair bit of RAM. While Solr is [highly tuneable](h
     plugin {
       fts = solr
       fts_autoindex = yes
-      fts_solr = url=http://solr:8983/solr/dovecot/ 
+      fts_solr = url=http://solr:8983/solr/dovecot/
     }
     ```
 

docs/content/config/advanced/kubernetes.md

@@ -176,7 +176,7 @@ spec:
       hostname: mailserver
       containers:
         - name: mailserver
-          image: ghcr.io/docker-mailserver/docker-mailserver:10.0.0
+          image: ghcr.io/docker-mailserver/docker-mailserver:latest
           imagePullPolicy: IfNotPresent
 
           securityContext:

docs/content/config/advanced/override-defaults/dovecot.md

@@ -36,7 +36,7 @@ You will need to first obtain the configuration from the running container: `mkd
 
 ```yaml
 services:
-  mail:
+  mailserver:
     volumes:
       - maildata:/var/mail
       - ./config/dovecot/10-master.conf:/etc/dovecot/conf.d/10-master.conf