replacement function of realpath for MacOS

webodm.sh

@@ -21,6 +21,11 @@ fi
 default_nodes=1
 dev_mode=false
 
+# define realpath replacement function
+realpath() {
+    [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
+}
+
 # Load default values
 source "${__dirname}/.env"
 DEFAULT_PORT="$WO_PORT"