n8n: refactor environmentfile (#6297)

* n8n: add config path

* n8n: refactor servicefile to seperate env

* n8n: refactor envfile

* Update n8n.sh

* Update n8n.json

---------

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

ct/n8n.sh

@@ -34,6 +34,18 @@ function update_script() {
       echo "Installed NPM..."
     fi
   fi
+  if [ ! -f /opt/n8n.env ]; then
+    sed -i 's|^Environment="N8N_SECURE_COOKIE=false"$|EnvironmentFile="/opt/n8n.env"|' /etc/systemd/system/n8n.service
+    HOST_IP=$(hostname -I | awk '{print $1}')
+    mkdir -p /opt
+    cat <<EOF >/opt/n8n.env
+N8N_SECURE_COOKIE=false
+N8N_PORT=5678
+N8N_PROTOCOL=http
+N8N_HOST=$HOST_IP
+EOF
+  fi
+
   msg_info "Updating ${APP} LXC"
   $STD npm update -g n8n
   systemctl restart n8n
@@ -48,4 +60,4 @@ description
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:5678${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:5678${CL}"