Add dialog to set maxmemory when creating instance

utils/helpers

@@ -10,6 +10,7 @@ function populateConfig() {
   local software_url
   local release
   local version
+  local maxMemory
 
   # software
   log i "What would you like to install?"
@@ -107,7 +108,19 @@ function populateConfig() {
     ;;
   esac
 
-  jq "(.type=\"${runnertype}\")|(.build=${build})|(.software=\"${software}\")|(.release=\"${release}\")|(.version=\"${version}\")|(.podman_network=\"${network_name}\")" ${TEMPLATEDIR}/config.json > "${config}"
+  # maxMemory
+  log i "How much memory (in MiB) do you want to allocate?"
+  while [[ -z ${maxMemoryAns} ]]; do
+    read -p "Answer: " maxMemoryAns
+    if [[ ${maxMemoryAns} -lt 2048 ]]; then
+      log e "max memory allocation can't be below 2048 MiB"
+      unset maxMemoryAns
+    else
+      maxMemory="${maxMemoryAns}"
+    fi
+  done
+
+  jq "(.type=\"${runnertype}\")|(.build=${build})|(.software=\"${software}\")|(.release=\"${release}\")|(.version=\"${version}\")|(.maxMemory=${maxMemory})|(.podman_network=\"${network_name}\")" ${TEMPLATEDIR}/config.json > "${config}"
 }
 
 function checkBackupDir() {