diff --git a/lib/images/bullseye-miaou.sh b/lib/images/bullseye-miaou.sh
deleted file mode 100755
index 4af5c9a..0000000
--- a/lib/images/bullseye-miaou.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-MIAOU_DIR="$(dirname "$0")/../.."
-readonly MIAOU_DIR
-
-function init_strict() {
-    set -Eeuo pipefail
-    # shellcheck source=/dev/null
-    source "$MIAOU_DIR/lib/functions.sh"
-    # shellcheck source=/dev/null
-    source "/opt/miaou-bash/lib/functions.sh"
-    trap 'trap_error $? $LINENO $BASH_LINENO "$BASH_COMMAND" $(printf "::%s" ${FUNCNAME[@]})' ERR
-}
-
-## main
-init_strict
-sudo_required
-build_miaou_image "bullseye"
diff --git a/lib/images/buster-miaou.sh b/lib/images/buster-miaou.sh
deleted file mode 100755
index 9fbb137..0000000
--- a/lib/images/buster-miaou.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-
-MIAOU_DIR="$(dirname "$0")/../.."
-readonly MIAOU_DIR
-
-function init_strict() {
-    set -Eeuo pipefail
-    # shellcheck source=/dev/null
-    source "$MIAOU_DIR/lib/functions.sh"
-    # shellcheck source=/dev/null
-    source "/opt/miaou-bash/lib/functions.sh"
-
-    trap 'trap_error $? $LINENO $BASH_LINENO "$BASH_COMMAND" $(printf "::%s" ${FUNCNAME[@]})' ERR
-}
-
-## main
-init_strict
-sudo_required
-build_miaou_image "buster"
diff --git a/recipes/cagettepei/crud.sh b/recipes/cagettepei/crud.sh
index b34692b..c6cb6d7 100755
--- a/recipes/cagettepei/crud.sh
+++ b/recipes/cagettepei/crud.sh
@@ -34,7 +34,7 @@ function _create() {
     echo "creating CagettePéi instance for <$shortname> ... "
 
     mkdir -p "$MIAOU_CONFIGDIR/apps/cagettepei"
-    APP_PORT=$port APP_NAME=$shortname tera -e --env-key env -t "$MIAOU_DIR/templates/apps/cagettepei/cagettepei-host.j2" -o "$MIAOU_CONFIGDIR/apps/cagettepei/$longname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml"
+    APP_PORT=$port APP_NAME=$shortname tera -e --env-key env -t "$MIAOU_BASEDIR/templates/apps/cagettepei/cagettepei-host.j2" -o "$MIAOU_CONFIGDIR/apps/cagettepei/$longname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml"
     echo "creating templates ... OK"
 
     echo "copying files over container <$container> ... "
diff --git a/recipes/dolibarr/crud.sh b/recipes/dolibarr/crud.sh
index 4a6a217..f04325d 100755
--- a/recipes/dolibarr/crud.sh
+++ b/recipes/dolibarr/crud.sh
@@ -60,7 +60,7 @@ EOF
     echo "generating configuration files from templates... "
     mkdir -p "$MIAOU_CONFIGDIR/apps/dolibarr/$shortname"
     PHP_VERSION=$(lxc exec "$container" -- dpkg -l php-fpm | grep "^ii" | cut -d ':' -f2 | cut -d '+' -f1)
-    APP_PORT=$port APP_NAME=$longname PHP_VERSION=$PHP_VERSION tera -e -t "$MIAOU_DIR/templates/apps/dolibarr/host.j2" -o "$MIAOU_CONFIGDIR/apps/dolibarr/$shortname/host.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
+    APP_PORT=$port APP_NAME=$longname PHP_VERSION=$PHP_VERSION tera -e -t "$MIAOU_BASEDIR/templates/apps/dolibarr/host.j2" -o "$MIAOU_CONFIGDIR/apps/dolibarr/$shortname/host.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
 
     echo "copying configuration files onto container <$container>... "
     lxc file push --uid 0 --gid 0 "$MIAOU_CONFIGDIR/apps/dolibarr/$shortname/host.conf" "$container/etc/nginx/sites-available/$longname.conf"
diff --git a/recipes/odoo12/crud.sh b/recipes/odoo12/crud.sh
index 0309975..c03649c 100755
--- a/recipes/odoo12/crud.sh
+++ b/recipes/odoo12/crud.sh
@@ -30,8 +30,8 @@ function _create() {
     mkdir -p "$MIAOU_CONFIGDIR/apps/odoo12"
 
     longport=$((port + 1000))
-    APP_PORT=$port LONG_PORT=$longport APP_NAME=$shortname tera -e -t "$MIAOU_DIR/templates/apps/odoo12/odoo.conf.j2" -o "$MIAOU_CONFIGDIR/apps/odoo12/$shortname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
-    APP_NAME=$shortname tera -t "$MIAOU_DIR/templates/apps/odoo12/odoo.service.j2" --env-only -o "$MIAOU_CONFIGDIR/apps/odoo12/$longname.service" >/dev/null
+    APP_PORT=$port LONG_PORT=$longport APP_NAME=$shortname tera -e -t "$MIAOU_BASEDIR/templates/apps/odoo12/odoo.conf.j2" -o "$MIAOU_CONFIGDIR/apps/odoo12/$shortname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
+    APP_NAME=$shortname tera -t "$MIAOU_BASEDIR/templates/apps/odoo12/odoo.service.j2" --env-only -o "$MIAOU_CONFIGDIR/apps/odoo12/$longname.service" >/dev/null
     echo "creating templates ... OK"
 
     echo "copying files over container <$container> ... "
@@ -44,10 +44,11 @@ function _create() {
         db-psql create "$longname"
         echo "create empty database <$longname> ... OK"
 
-        #FIXME: load credential from data argument wth yq parsing!!!
+        admin_username=$(cat "$data" | yq '.admin.username')
+        [[ $admin_username == 'null ' ]] && echoerr "odoo12 recipe requires \`data:admin:username\` into miaou.yaml service definition of <$fqdn>" && exit 1
 
-        credential_username=$(load_yaml_from_expanded credential.username)
-        credential_password=$(load_yaml_from_expanded credential.password)
+        admin_password=$(cat "$data" | yq '.admin.password')
+        [[ $admin_password == 'null ' ]] && echoerr "odoo12 recipe requires \`data:admin:password\` into miaou.yaml service definition of <$fqdn>" && exit 1
 
         cat <<EOF | lxc_exec "$container"
             set -Eeuo pipefail
@@ -65,8 +66,7 @@ function _create() {
 
             chmod u+w -R "/home/odoo/data-$shortname"
 
-            echo "TODO: change administrator password, default credential applied!"
-            echo "UPDATE res_users SET login='$credential_username', password='$credential_password' WHERE id=2" | PGPASSWORD=$longname psql -U $longname -h ct1.lxd
+            echo "UPDATE res_users SET login='$admin_username', password='$admin_password' WHERE id=2" | PGPASSWORD=$longname psql -U $longname -h ct1.lxd
 EOF
     else
         echo "database already exists!"
@@ -99,7 +99,7 @@ function _delete() {
 }
 
 function usage() {
-    echo "Usage: $COMMAND_NAME -c|r|u|d --port PORT --container CONTAINER --name NAME"
+    echo "Usage: $COMMAND_NAME -c|r|u|d --port PORT --fqdn FQDN --container CONTAINER --name NAME --data DATA"
     exit 2
 }
 
@@ -111,16 +111,18 @@ COMMAND_NAME=$(basename "$0")
 
 # read the options
 
-TEMP=$(getopt -n "$COMMAND_NAME" -o crud --long port:,container:,name:,fqdn: -- "$@")
+TEMP=$(getopt -n "$COMMAND_NAME" -o crud --long port:,container:,name:,fqdn:,data: -- "$@")
 # shellcheck disable=SC2181
 [[ "$?" -eq 0 ]] || usage
 eval set -- "$TEMP"
 
 action="unset"
 port="unset"
+fqdn="unset"
 container="unset"
 shortname="unset"
 longname="unset"
+data="unset"
 
 # extract options and their arguments into variables.
 while true; do
@@ -130,6 +132,7 @@ while true; do
         shift 2
         ;;
     --fqdn)
+        fqdn=$2
         shift 2
         ;;
     --container)
@@ -141,6 +144,10 @@ while true; do
         longname="odoo12-$shortname"
         shift 2
         ;;
+    --data)
+        data=$2
+        shift 2
+        ;;
     -c)
         [[ "$action" == "unset" ]] || usage
         action="_create"
@@ -166,7 +173,7 @@ while true; do
         break
         ;;
     *)
-        echo "Internal error!"
+        echoerr "Internal error!"
         exit 1
         ;;
     esac
@@ -175,8 +182,10 @@ done
 [[ 
     "$action" != unset &&
     "$port" != unset &&
+    "$fqdn" != unset &&
     "$container" != unset &&
-    "$shortname" != unset ]] || usage
+    "$shortname" != unset &&
+    "$data" != unset ]] || usage
 
 . "$MIAOU_BASEDIR/lib/init.sh"
 
diff --git a/recipes/odoo15/crud.sh b/recipes/odoo15/crud.sh
index 3123fa1..82a1a8a 100755
--- a/recipes/odoo15/crud.sh
+++ b/recipes/odoo15/crud.sh
@@ -30,8 +30,8 @@ function _create() {
     mkdir -p "$MIAOU_CONFIGDIR/apps/odoo15"
 
     longport=$((port + 1000))
-    APP_PORT=$port LONG_PORT=$longport APP_NAME=$shortname tera -e -t "$MIAOU_DIR/templates/apps/odoo15/odoo.conf.j2" -o "$MIAOU_CONFIGDIR/apps/odoo15/$shortname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
-    APP_NAME=$shortname tera -t "$MIAOU_DIR/templates/apps/odoo15/odoo.service.j2" --env-only -o "$MIAOU_CONFIGDIR/apps/odoo15/$longname.service" >/dev/null
+    APP_PORT=$port LONG_PORT=$longport APP_NAME=$shortname tera -e -t "$MIAOU_BASEDIR/templates/apps/odoo15/odoo.conf.j2" -o "$MIAOU_CONFIGDIR/apps/odoo15/$shortname.conf" "$MIAOU_CONFIGDIR/miaou.expanded.yaml" >/dev/null
+    APP_NAME=$shortname tera -t "$MIAOU_BASEDIR/templates/apps/odoo15/odoo.service.j2" --env-only -o "$MIAOU_CONFIGDIR/apps/odoo15/$longname.service" >/dev/null
     echo "creating templates ... OK"
 
     echo "copying files over container <$container> ... "
@@ -54,8 +54,11 @@ EOF
         db-psql create "$longname"
         echo "create empty database <$longname> ... OK"
 
-        credential_username=$(load_yaml_from_expanded credential.username)
-        credential_password=$(load_yaml_from_expanded credential.password)
+        admin_username=$(cat "$data" | yq '.admin.username')
+        [[ $admin_username == 'null ' ]] && echoerr "odoo12 recipe requires \`data:admin:username\` into miaou.yaml service definition of <$fqdn>" && exit 1
+
+        admin_password=$(cat "$data" | yq '.admin.password')
+        [[ $admin_password == 'null ' ]] && echoerr "odoo12 recipe requires \`data:admin:password\` into miaou.yaml service definition of <$fqdn>" && exit 1
 
         cat <<EOF | lxc_exec "$container"
             set -Eeuo pipefail
@@ -76,7 +79,7 @@ EOF
             su odoo -c "python3.9 /home/odoo/odoo15/odoo-bin -c /etc/odoo15/$shortname.conf --load-language fr_FR -d $longname --worker=0 --stop-after-init"
 
             echo change administrator password, default credential applied!
-            echo "UPDATE res_users SET login='$credential_username', password='$credential_password' WHERE id=2" | PGPASSWORD=$longname psql -U $longname -h ct1.lxd
+            echo "UPDATE res_users SET login='$admin_username', password='$admin_password' WHERE id=2" | PGPASSWORD=$longname psql -U $longname -h ct1.lxd
 
 EOF
     else
@@ -112,7 +115,7 @@ function _delete() {
 }
 
 function usage() {
-    echo "Usage: $COMMAND_NAME -c|r|u|d --port PORT --container CONTAINER --name NAME"
+    echo "Usage: $COMMAND_NAME -c|r|u|d --port $port --fqdn $fqdn --container $container --name $name --data $data"
     exit 2
 }
 
@@ -124,16 +127,18 @@ COMMAND_NAME=$(basename "$0")
 
 # read the options
 
-TEMP=$(getopt -n "$COMMAND_NAME" -o crud --long port:,container:,name:,fqdn: -- "$@")
+TEMP=$(getopt -n "$COMMAND_NAME" -o crud --long port:,container:,name:,fqdn:,data: -- "$@")
 # shellcheck disable=SC2181
 [[ "$?" -eq 0 ]] || usage
 eval set -- "$TEMP"
 
 action="unset"
 port="unset"
+fqdn="unset"
 container="unset"
 shortname="unset"
 longname="unset"
+data="unset"
 
 # extract options and their arguments into variables.
 while true; do
@@ -143,6 +148,7 @@ while true; do
         shift 2
         ;;
     --fqdn)
+        fqdn=$2
         shift 2
         ;;
     --container)
@@ -154,6 +160,10 @@ while true; do
         longname="odoo15-$shortname"
         shift 2
         ;;
+    --data)
+        data=$2
+        shift 2
+        ;;
     -c)
         [[ "$action" == "unset" ]] || usage
         action="_create"
@@ -179,7 +189,7 @@ while true; do
         break
         ;;
     *)
-        echo "Internal error!"
+        echoerr "Internal error!"
         exit 1
         ;;
     esac
@@ -188,8 +198,10 @@ done
 [[ 
     "$action" != unset &&
     "$port" != unset &&
+    "$fqdn" != unset &&
     "$container" != unset &&
-    "$shortname" != unset ]] || usage
+    "$shortname" != unset &&
+    "$data" != unset ]] || usage
 
 . "$MIAOU_BASEDIR/lib/init.sh"
 
diff --git a/scripts/miaou b/scripts/miaou
index ecf15ab..26e2fce 100755
--- a/scripts/miaou
+++ b/scripts/miaou
@@ -75,9 +75,7 @@ function archive_allconf() {
 }
 
 function check_expand_conf() {
-    PREFIX="miaou:conf:check"
     if ! "$FORCE" && [ -f "$EXPANDED_CONF" ] && [ "$EXPANDED_CONF" -nt "$CONF" ] && [ "$EXPANDED_CONF" -nt "$DEFAULTS" ]; then
-        echo "already expanded!"
         return 1
     fi
 }
@@ -415,15 +413,16 @@ function build_services() {
 
         domain=${item[0]}
         subdomain=${item[1]}
-        data=$(yqm ".services.\"$domain\".\"$subdomain\".data")
-        echo "domain=$domain, subdomain=$subdomain, data=$data"
+        data=$(yqm ".services.\"$domain\".\"$subdomain\".data|explode(.)")
 
         recipe="$MIAOU_BASEDIR/recipes/$app/crud.sh"
         if [[ -f "$recipe" ]]; then
             echo "read [$app:$name] onto container <$container>"
-            if ! "$recipe" -r --port "$port" --container "$container" --name "$name" --fqdn "$fqdn"; then
+            command="env MIAOU_BASEDIR=$MIAOU_BASEDIR MIAOU_CONFIGDIR=$MIAOU_CONFIGDIR $recipe --port $port --container $container --name $name --fqdn $fqdn"
+            [[ "$data" != "null" ]] && command+=" --data \"$data\""
+            if ! eval "$command -r" >/dev/null; then
                 echoinfo "CREATE RECIPE"
-                "$recipe" -c --port "$port" --container "$container" --name "$name" --fqdn "$fqdn"
+                eval "$command -c"
                 echoinfo "CREATE RECIPE: OK"
             fi
         else
@@ -457,7 +456,7 @@ fi
 
 if containsElement options "config"; then
     editor /etc/miaou/miaou.yaml
-    if diff -q /etc/miaou/miaou.yaml $HOME/.config/miaou/archived/miaou.yaml/previous; then
+    if diff -q /etc/miaou/miaou.yaml "$HOME"/.config/miaou/archived/miaou.yaml/previous; then
         exit 0
     fi
 fi