[Dovecot] Allow setting ACL_ANYONE in mailcow.conf

generate_config.sh

@@ -48,6 +48,39 @@ while [ -z "${MAILCOW_TZ}" ]; do
   fi
 done
 
+MEM_TOTAL=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
+
+if [ ${MEM_TOTAL} -le "1572864" ]; then
+  echo "Installed memory is less than 1.5 GiB. It is recommended to disable ClamAV to prevent out-of-memory situations."
+  read -r -p  "Do you want to disable ClamAV now? ClamAV can be re-enabled by setting SKIP_CLAMD=n in mailcow.conf. [Y/n] " response
+  case $response in
+    [nN][oO]|[nN])
+      SKIP_CLAMD=n
+      ;;
+    *)
+      SKIP_CLAMD=y
+    ;;
+  esac
+else
+ SKIP_CLAMD=n
+fi
+
+if [ ${MEM_TOTAL} -le "6815744" ]; then
+  echo "Installed memory is less than 6.5 GiB. It is highly recommended to disable Solr to prevent out-of-memory situations."
+  echo "Solr is a prone to run OOM and should be monitored. The default Solr heap size is 1024 MiB and should be set according to your expected load in mailcow.conf."
+  read -r -p  "Do you want to disable Solr now (recommended)? Solr can be re-enabled by setting SKIP_SOLR=n in mailcow.conf. [Y/n] " response
+  case $response in
+    [nN][oO]|[nN])
+      SKIP_SOLR=n
+      ;;
+    *)
+      SKIP_SOLR=y
+    ;;
+  esac
+else
+  SKIP_SOLR=n
+fi
+
 [ ! -f ./data/conf/rspamd/override.d/worker-controller-password.inc ] && echo '# Placeholder' > ./data/conf/rspamd/override.d/worker-controller-password.inc
 
 cat << EOF > mailcow.conf
@@ -145,6 +178,13 @@ SKIP_IP_CHECK=n
 
 SKIP_CLAMD=n
 
+# Skip Solr on low-memory systems
+SKIP_SOLR=${SKIP_SOLR}
+
+# Solr heap size in MB, there is no recommendation, please see Solr docs.
+# Solr is a prone to run OOM and should be monitored. Unmonitored Solr setups are not recommended.
+SOLR_HEAP=1024
+
 # Enable watchdog (watchdog-mailcow) to restart unhealthy containers (experimental)
 
 USE_WATCHDOG=n