diff --git a/config_panel.toml b/config_panel.toml
index 88867ad..1b209bb 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -11,6 +11,32 @@ name = "Dotclear2 configuration"
         type = "user"
         bind = "super_user:__INSTALL_DIR__/inc/class.auth.ldap.php"
 
+    [main.php_fpm_config]
+        name = "PHP-FPM configuration"
+
+        [main.php_fpm_config.fpm_footprint]
+        ask = "Memory footprint"
+        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"
+        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."
+
 [ynh_users]
 name = "Yunohost users"
 help = "These permissions apply to the first connection of the user, the super user can change them in dotclear."
diff --git a/scripts/config b/scripts/config
index f6a09fa..58c9d3d 100644
--- a/scripts/config
+++ b/scripts/config
@@ -16,6 +16,35 @@ ynh_abort_if_errors
 
 install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+current_fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
+
+#=================================================
+# 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 SETTERS FOR TOML SHORT KEYS
@@ -83,7 +112,47 @@ set__blogs_list() {
     ynh_app_setting_set $app blogs_list $blogs_list
 }
 
+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
 #=================================================
+
+ynh_app_config_validate() {
+    _ynh_app_config_validate
+
+    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() {
+    _ynh_app_config_apply
+
+    ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
+}
+
 ynh_app_config_run $1