diff --git a/enedisgateway2mqtt/rootfs/scripts/00-global_var.sh b/enedisgateway2mqtt/rootfs/scripts/00-global_var.sh
new file mode 100644
index 000000000..2e95babf4
--- /dev/null
+++ b/enedisgateway2mqtt/rootfs/scripts/00-global_var.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+###################################
+# Export all addon options as env #
+###################################
+
+# For all keys in options.json
+JSONSOURCE="/data/options.json"
+
+# Export keys as env variables
+echo "All addon options were exported as variables"
+mapfile -t arr < <(jq -r 'keys[]' ${JSONSOURCE})
+for KEYS in ${arr[@]}; do
+  # export key
+  VALUE=$(jq .$KEYS ${JSONSOURCE})
+  export ${KEYS}=${VALUE//[\"\']/} &>/dev/null
+done
+
+################
+# Set timezone #
+################
+if [ ! -z "TZ" ] && [ -f /etc/localtime ]; then
+  if [ -f /usr/share/zoneinfo/$TZ ]; then
+    echo "Timezone set from $(cat /etc/timezone) to $TZ"
+    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ >/etc/timezone
+  else
+    echo "WARNING : Timezone $TZ is invalid, it will be kept to default value of $(cat /etc/timezone)"
+  fi
+fi
+
+############
+# Set user #
+############
+
+if [ ! -z "PUID" ] && [ ! -z "GUID"]; then
+    echo "Custom user defined : $PUID:$GUID"
+PUID=${PUID:-911}
+PGID=${PGID:-911}
+groupmod -o -g "$PGID" abc
+usermod -o -u "$PUID" abc
+fi