diff --git a/scripts/upgrade b/scripts/upgrade
index cb3725a..bbea438 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -16,12 +16,21 @@ ynh_script_progression --message="Loading installation settings..." --time --wei
 
 app=$YNH_APP_INSTANCE_NAME
 
-domain=$(ynh_app_setting_get --app=$app --key=domain)
-path_url=$(ynh_app_setting_get --app=$app --key=path)
-admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-language=$(ynh_app_setting_get --app=$app --key=language)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+path_url=$(ynh_app_setting_get --app=$app --key=path_url)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+language_key=$(ynh_app_setting_get --app=$app --key=language_key)
+slack_key=$(ynh_app_setting_get --app=$app --key=slack_key)
+slack_secret=$(ynh_app_setting_get --app=$app --key=slack_secret)
+secret_key=$(ynh_app_setting_get --app=$app --key=secret_key)
+utils_secret=$(ynh_app_setting_get --app=$app --key=utils_secret)
+
+
+minio_domain=$(ynh_app_setting_get --app="minio" --key=domain)
+minio_id=$(ynh_app_setting_get --app="minio" --key=minio_id)
+minio_key=$(ynh_app_setting_get --app="minio" --key=minio_key)
+mc_path=$(ynh_app_setting_get --app="minio" --key=mc_path)
 
 #=================================================
 # CHECK VERSION
@@ -97,15 +106,44 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 # Install Yarn
 ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
+#=================================================
+# UPGRADE YARN DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Building Yarn dependencies... This can be very long, be patient !" --time --weight=10
+
+pushd "$final_path"
+	ynh_use_nodejs
+	ynh_script_progression --message="Fetching Yarn dev dependencies... This can be very long, be patient !" --time --weight=5
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --no-optional --frozen-lockfile
+	ynh_script_progression --message="Cleaning cache... " --time --weight=1
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean
+	ynh_script_progression --message="Building Yarn dev dependencies... This can be very long, be patient !" --time --weight=5
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn build
+	ynh_script_progression --message="Fetching Yarn production dependencies... This can be very long, be patient !" --time --weight=5
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --production=true --frozen-lockfile
+	ynh_script_progression --message="Cleaning cache... " --time --weight=1
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean
+popd
+
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Updating a configuration file..." --time --weight=1
+ynh_script_progression --message="Adding a configuration file..." --time --weight=1
 
-ynh_add_config --template="some_config_file" --destination="$final_path/some_config_file"
+ynh_add_config --template="../conf/.env" --destination="$final_path/.env"
 
-chmod 400 "$final_path/some_config_file"
-chown $app:$app "$final_path/some_config_file"
+chmod 400 "$final_path/.env"
+chown $app:$app "$final_path/.env"
+
+#=================================================
+# RUN DB MIGRATION
+#=================================================
+ynh_script_progression --message="Running DB initial migration..."
+
+pushd "$final_path"
+	ynh_use_nodejs
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn db:migrate
+popd
 
 #=================================================
 # SETUP SYSTEMD