diff --git a/assets/.bash_aliases b/assets/.bash_aliases
index 21bb748..6611a36 100644
--- a/assets/.bash_aliases
+++ b/assets/.bash_aliases
@@ -4,6 +4,5 @@
 # done for my blog http://www.cipherbliss.com
 #
 # load variables
-echo " chargement de bash aliases"
-source ~/Nextcloud/ressources/workflow_nextcloud/public_workflow/workflow_variables.sh
-source $WORKFLOW_PATH_PUBLIC/install/.bash_custom_aliases
\ No newline at end of file
+source ~/Nextcloud/ressources/workflow_nextcloud/workflow_variables.sh
+source $WORKFLOW_PATH/install/.bash_custom_aliases
\ No newline at end of file
diff --git a/assets/.bash_custom_aliases b/assets/.bash_custom_aliases
index 37b38b8..b403bfa 100644
--- a/assets/.bash_custom_aliases
+++ b/assets/.bash_custom_aliases
@@ -14,7 +14,11 @@ alias work="cd $www_folder/scripts/mapping_geojson_to_osm_tags"
 ########## lieux ###########
 alias dok="docker-compose"
 alias dc="docker-compose"
-alias dckill="docker container kill $(docker container ls -q)"
+
+# tuer tous les conteneurs docker
+function dckill() {
+  docker container kill $(docker container ls -q)
+}
 alias gow="cd $WORKFLOW_PATH" # go to folder of nextcloud where i store my scripts
 
 ###### lieux locaux
@@ -169,19 +173,35 @@ source $WORKFLOW_PATH/install/functions_sync.sh
 source $WORKFLOW_PATH/install/functions_tk.sh
 export HISTTIMEFORMAT="%d/%m/%y %T "
 
-export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
-[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
 
+#!/bin/bash
+
+if command -v nvm &> /dev/null
+then
+  echo "nvm chargé"
+else
+  export NVM_DIR="$HOME/.nvm"
+  [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
+  [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
+fi
 
-#gowork
 # ------------------- work stuff
-export DOTNET_ROOT=$HOME/.dotnet
-export PATH=$PATH:$HOME/.dotnet:$HOME/.dotnet/tools
-nvm use stable
+# export DOTNET_ROOT=$HOME/.dotnet
+# export PATH=$PATH:$HOME/.dotnet:$HOME/.dotnet/tools
 
+#!/bin/bash
+
+if [ "$(pwd)" = "/var/www/html/" ] || [ "$(pwd)" = "/var/www/html/*" ]; then
+  echo "chargement de node version stable"
+  nvm use stable
+fi
 #echo "loading zfs keys"
-zfs load-key poule/encrypted
-zfs mount -a
 
+#!/bin/bash
+# lancer le montage seulement si on est root
+if [ "$(id -u)" = 0 ]; then
+  zfs load-key poule/encrypted
+  zfs mount -a
+  echo "root: partition ZFS déchiffrée et montée"
+fi
 
diff --git a/assets/.gitconfig b/assets/.gitconfig
index 9478a6e..67803fd 100644
--- a/assets/.gitconfig
+++ b/assets/.gitconfig
@@ -23,3 +23,4 @@
 	defaultRemote = origin
 [core]
 	editor = gedit
+	excludesFile = ~/.gitignore
diff --git a/assets/.zshrc b/assets/.zshrc
index bc61571..3d38210 100644
--- a/assets/.zshrc
+++ b/assets/.zshrc
@@ -75,12 +75,6 @@ plugins=(git cp colored-man-pages colorize command-not-found composer symfony2 p
 source $ZSH/oh-my-zsh.sh
 
 # User configuration
-if [ -f ~/Nextcloud/ressources/workflow_nextcloud/workflow_variables.sh ]; then
-    . ~/Nextcloud/ressources/workflow_nextcloud/workflow_variables.sh
-else
-    echo "/!\\ bashrc: fichier de variables workflow_nextcloud non trouvé:"
-    echo "~/Nextcloud/ressources/workflow_nextcloud/workflow_variables.sh"
-fi
 
 # export MANPATH="/usr/local/man:$MANPATH"
 
@@ -106,9 +100,4 @@ if [[ -n $SSH_CONNECTION ]]; then
 # alias zshconfig="mate ~/.zshrc"
 # alias ohmyzsh="mate ~/.oh-my-zsh"
 
-if [ "$debug" = true ]; then
-  echo "chargement des aliases ~/.bash_aliases"
-fi
-
-
 source ~/.bash_aliases
diff --git a/workflow_variables.sh b/workflow_variables.sh
index f8acfb9..d517643 100644
--- a/workflow_variables.sh
+++ b/workflow_variables.sh
@@ -4,91 +4,100 @@
 # source ~/Nextcloud/ressources/workflow_nextcloud/public_workflow/workflow_variables.sh
 #
 #
+export load_only_once=true
+#!/bin/bash
 export debug=true
-if [ "$debug" = true ]; then
-  echo "# chargement des variables de workflow"
+if [ -z ${load_only_once+x} ]; then
+  echo "premier chargement"
+
+  if [ "$debug" = true ]; then
+    echo "# chargement des variables de workflow"
+  fi
+
+  export main_user="tykayn"
+
+  export main_archive_source_ssh_lan="tykayn@192.168.1.14"
+  export backup_laptop_archive_path="/home/poule/backup/encrypted"
+
+
+  export WORKFLOW_PATH=~/Nextcloud/ressources/workflow_nextcloud
+  export WORKFLOW_PATH_PUBLIC=~/Nextcloud/ressources/workflow_nextcloud/public_workflow
+  export WORKFLOW_PATH_ROOT=/home/$main_user/Nextcloud/ressources/workflow_nextcloud
+  export ALIASES_PATH=$WORKFLOW_PATH/install/.bash_custom_aliases
+  # fichiers orgmode, wiki personnel
+  export orgmode_path=~/Nextcloud/textes/orgmode
+  export inbox_orgmode=$orgmode_path/incoming_inbox.org
+  export orgroam_path=~/Nextcloud/textes/orgmode/org-roam
+  export backup_texts_folder=~/archives/backup_automatique
+  export HOME_OF_SCRIPTS=$www_folder/scripts
+
+  # archives dans un pool zfs nommé poule
+  export stockage_syncable_folder=/home/poule/encrypted/stockage-syncable
+
+  # dossier où stocker les projets de dev
+  export www_folder=$stockage_syncable_folder/www/development/html
+
+  export node_version_expected=20
+
+  export today=`date` # to log current time
+  export ARCHIVE_SYNCABLE=$stockage_syncable_folder # place where we have our things sorted, other than home
+  export BORG_PASSCOMMAND="cat $ARCHIVE_SYNCABLE/.tk-borg-passphrase-light" # get the borg repo pass
+
+  export a_dispatcher="$ARCHIVE_SYNCABLE/photos/a_dispatcher" # dossier où sont stockées les photos en provenance du smartphone
+  export PHOTOS_TO_DISPATCH="$a_dispatcher"
+  export PHOTOS_FOLDER="$ARCHIVE_SYNCABLE/photos/"
+
+  export SPACESHIP_BORG_REPO="/home/poule/borg_archives/backup_land4to"
+  export SPACESHIP_NEW_BORG_REPO="/home/poule/borg_archives/borg2"
+  export BORG_REPO=$SPACESHIP_NEW_BORG_REPO
+
+  export LOG_FILE_BACKUP="$ARCHIVE_SYNCABLE/www/backup/log_backup.log"
+  # log dates of execution of the script
+  export LOG_FILE_BACKUP_DATES="$ARCHIVE_SYNCABLE/www/backup/summary_log_backup.log"
+
+  export main_archive_source_sftop_spaceship="/mnt/spaceship_poule"
+  export IP_DU_NAS="/mnt/spaceship_poule"
+
+  export CURRENT_YEAR=$(date +%Y)
+
+  # add custom workflow scripts
+  export PATH=$WORKFLOW_PATH:$PATH
+
+
+  ########## colors for logging #########
+  # https://wiki.archlinux.org/title/Bash/Prompt_customization#List_of_colors_for_prompt_and_Bash
+  #
+  # echo -e "${txtred}asd${txtwht}"
+  #
+  #######################################
+
+  export txtblk='\e[0;30m' # Black - Regular
+  export txtred='\e[0;31m' # Red
+  export txtgrn='\e[0;32m' # Green
+  export txtylw='\e[0;33m' # Yellow
+  export txtblu='\e[0;34m' # Blue
+  export txtpur='\e[0;35m' # Purple
+  export txtcyn='\e[0;36m' # Cyan
+  export txtwht='\e[0;37m' # White
+  export txtbold='\e[1m' # bold
+  export txtreset='\e(B\e[m' # back to normal
+
+
+  # --------- gestion des exclusions de rsync -------- #
+  EXCLUDE=( ".yarn" ".nvm" "cache" ".cache" "Cache" "Steam" "steamapps" ".npm" ".yarn" "node_modules" ".mozilla" "vendor" "Steam" ".rbenv" ".config/borg" "@eaDir" "steamapps" "bower_components" ".cargo" ".gem" ".BOINC")
+  exclude_opts=()
+    for item in "${EXCLUDE[@]}"; do
+      exclude_opts+=( --exclude "$item" )
+    done
+
+  export exclude_opts
+
+  if [ "$debug" = true ]; then
+    echo "# chargement des variables de workflow OK --------"
+  fi
+
+  source $WORKFLOW_PATH_PUBLIC/variables.sh
+
+else
+  echo "pas premier chargement"
 fi
-
-export main_user="tykayn"
-
-export main_archive_source_ssh_lan="tykayn@192.168.1.14"
-export backup_laptop_archive_path="/home/poule/backup/encrypted"
-
-
-export WORKFLOW_PATH=~/Nextcloud/ressources/workflow_nextcloud
-export WORKFLOW_PATH_PUBLIC=~/Nextcloud/ressources/workflow_nextcloud/public_workflow
-export WORKFLOW_PATH_ROOT=/home/$main_user/Nextcloud/ressources/workflow_nextcloud
-export ALIASES_PATH=$WORKFLOW_PATH/install/.bash_custom_aliases
-# fichiers orgmode, wiki personnel
-export orgmode_path=~/Nextcloud/textes/orgmode
-export inbox_orgmode=$orgmode_path/incoming_inbox.org
-export orgroam_path=~/Nextcloud/textes/orgmode/org-roam
-export backup_texts_folder=~/archives/backup_automatique
-export HOME_OF_SCRIPTS=$www_folder/scripts
-
-# archives dans un pool zfs nommé poule
-export stockage_syncable_folder=/home/poule/encrypted/stockage-syncable
-
-# dossier où stocker les projets de dev
-export www_folder=$stockage_syncable_folder/www/development/html
-
-export node_version_expected=20
-
-export today=`date` # to log current time
-export ARCHIVE_SYNCABLE=$stockage_syncable_folder # place where we have our things sorted, other than home
-export BORG_PASSCOMMAND="cat $ARCHIVE_SYNCABLE/.tk-borg-passphrase-light" # get the borg repo pass
-
-export a_dispatcher="$ARCHIVE_SYNCABLE/photos/a_dispatcher" # dossier où sont stockées les photos en provenance du smartphone
-export PHOTOS_TO_DISPATCH="$a_dispatcher"
-export PHOTOS_FOLDER="$ARCHIVE_SYNCABLE/photos/"
-
-export SPACESHIP_BORG_REPO="/home/poule/borg_archives/backup_land4to"
-export SPACESHIP_NEW_BORG_REPO="/home/poule/borg_archives/borg2"
-export BORG_REPO=$SPACESHIP_NEW_BORG_REPO
-
-export LOG_FILE_BACKUP="$ARCHIVE_SYNCABLE/www/backup/log_backup.log"
-# log dates of execution of the script
-export LOG_FILE_BACKUP_DATES="$ARCHIVE_SYNCABLE/www/backup/summary_log_backup.log"
-
-export main_archive_source_sftop_spaceship="/mnt/spaceship_poule"
-export IP_DU_NAS="/mnt/spaceship_poule"
-
-export CURRENT_YEAR=$(date +%Y)
-
-# add custom workflow scripts
-export PATH=$WORKFLOW_PATH:$PATH
-
-
-########## colors for logging #########
-# https://wiki.archlinux.org/title/Bash/Prompt_customization#List_of_colors_for_prompt_and_Bash
-#
-# echo -e "${txtred}asd${txtwht}"
-#
-#######################################
-
-export txtblk='\e[0;30m' # Black - Regular
-export txtred='\e[0;31m' # Red
-export txtgrn='\e[0;32m' # Green
-export txtylw='\e[0;33m' # Yellow
-export txtblu='\e[0;34m' # Blue
-export txtpur='\e[0;35m' # Purple
-export txtcyn='\e[0;36m' # Cyan
-export txtwht='\e[0;37m' # White
-export txtbold='\e[1m' # bold
-export txtreset='\e(B\e[m' # back to normal
-
-
-# --------- gestion des exclusions de rsync -------- #
-EXCLUDE=( ".yarn" ".nvm" "cache" ".cache" "Cache" "Steam" "steamapps" ".npm" ".yarn" "node_modules" ".mozilla" "vendor" "Steam" ".rbenv" ".config/borg" "@eaDir" "steamapps" "bower_components" ".cargo" ".gem" ".BOINC")
-exclude_opts=()
-	for item in "${EXCLUDE[@]}"; do
-		exclude_opts+=( --exclude "$item" )
-	done
-
-export exclude_opts
-
-if [ "$debug" = true ]; then
-  echo "# chargement des variables de workflow OK --------"
-fi
-
-source $WORKFLOW_PATH_PUBLIC/variables.sh
\ No newline at end of file