diff --git a/config_panel.toml b/config_panel.toml
index e05e66c..d2ba140 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -27,10 +27,33 @@ name = "My Webapp configuration"
         choices = ["none", "7.3", "7.4", "8.0"]
         default = "none"
 
+        [main.php_fpm_config.fpm_footprint]
+        ask = "Memory footprint of the service?"
+        type = "select"
+        choices.low = "Low, <= 20Mb per pool"
+        choices.medium = "Medium, between 20Mb and 40Mb per pool"
+        choices.high = "High, > 40Mb per pool"
+        choices.specific = "Use specific value"
+        default = "low"
+
+        [main.php_fpm_config.fpm_free_footprint]
+        visible = "fpm_footprint == 'specific'"
+        ask = "Memory footprint of the service?"
+        type = "number"
+        default = "0"
+        help = "Free field to specify exactly the footprint in Mb if you don't want to use one of the three previous values."
+
+        [main.php_fpm_config.fpm_usage]
+        ask = "Expected usage of the service?"
+        type = "select"
+        choices = ["low", "medium", "high"]
+        default = "low"
+        help = "low: Personal usage, behind the sso. No RAM footprint when not used, but the impact on the processor can be high if many users are using the service.<br>medium: Low usage, few people or/and publicly accessible. Low RAM footprint, medium processor footprint when used.<br>high: High usage, frequently visited website. High RAM footprint, but lower on processor usage and quickly responding."
+
 # TODO: Add protected_path as tags, which are created as permission "label (path)", so admin can protect a specific path
 #    [main.permissions]
 #        [main.permissions.proteced_path]
 #        ask = "Protected path"
 #        help = "A permission will be created so you can restrict the access to a subpath of the web app."
 #        type = "tags"
-    
\ No newline at end of file
+    
diff --git a/scripts/config b/scripts/config
index b853d6b..188b1b6 100644
--- a/scripts/config
+++ b/scripts/config
@@ -19,6 +19,7 @@ final_path=$(ynh_app_setting_get $app final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 
+current_fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
 fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
 fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
 
@@ -26,6 +27,29 @@ fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
 # SPECIFIC GETTERS FOR TOML SHORT KEY
 #=================================================
 
+get__fpm_footprint() {
+    # Free footprint value for php-fpm
+    # Check if current_fpm_footprint is an integer
+    if [ "$current_fpm_footprint" -eq "$current_fpm_footprint" ] 2> /dev/null
+    then
+        echo "specific"
+    else
+        echo "$current_fpm_footprint"
+    fi
+}
+
+get__free_footprint() {
+    # Free footprint value for php-fpm
+    # Check if current_fpm_footprint is an integer
+    if [ "$current_fpm_footprint" -eq "$current_fpm_footprint" ] 2> /dev/null
+    then
+        # If current_fpm_footprint is an integer, that's a numeric value for the footprint
+        echo "$current_fpm_footprint"
+    else
+        echo "0"
+    fi
+}
+
 #=================================================
 # SPECIFIC VALIDATORS FOR TOML SHORT KEYS
 #=================================================
@@ -41,6 +65,20 @@ set__password() {
     fi
 }
 
+set__fpm_footprint() {
+    if [ "$fpm_footprint" != "specific" ]
+    then
+        ynh_app_setting_set --app=$app --key=fpm_footprint --value="$fpm_footprint"
+    fi
+}
+
+set__fpm_free_footprint() {
+    if [ "$fpm_footprint" = "specific" ]
+    then
+        ynh_app_setting_set --app=$app --key=fpm_footprint --value="$fpm_free_footprint"
+    fi
+}
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -52,6 +90,21 @@ ynh_app_config_validate() {
     then
         ynh_die --message="You need to set a password to enable SFTP"
     fi
+
+    if [ "${changed[fpm_usage]}" == "true" ] || [ "${changed[fpm_footprint]}" == "true" ] || [ "${changed[fpm_free_footprint]}" == "true" ]; then
+        # If fpm_footprint is set to 'specific', use $fpm_free_footprint value.
+        if [ "$fpm_footprint" = "specific" ]
+        then
+            fpm_footprint=$fpm_free_footprint
+        fi
+
+        if [ "$fpm_footprint" == "0" ]
+        then
+            ynh_print_err --message="When selecting 'specific', you have to set a footprint value into the field below."
+
+            exit 0
+        fi
+    fi
 }
 
 ynh_app_config_apply() {
@@ -91,6 +144,8 @@ ynh_app_config_apply() {
     then
         ynh_system_user_del_group --username=$app --groups="sftp.app"
     fi
+
+    ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
 }
 
 ynh_app_config_run $1
diff --git a/scripts/upgrade b/scripts/upgrade
index 9a38aa2..71dd841 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,6 +28,7 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 admin_mail_html=$(ynh_app_setting_get --app=$app --key=admin_mail_html)
 
 fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
+fpm_free_footprint=$(ynh_app_setting_get --app=$app --key=fpm_free_footprint)
 fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
 
 #=================================================
@@ -79,6 +80,12 @@ if [ -z "$fpm_footprint" ]; then
 	ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
 fi
 
+# If fpm_free_footprint doesn't exist, create it
+if [ -z "$fpm_free_footprint" ]; then
+	fpm_free_footprint=0
+	ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
+fi
+
 # If fpm_usage doesn't exist, create it
 if [ -z "$fpm_usage" ]; then
 	fpm_usage=low