Funktioniert - im Docker

routes/switch.js

@@ -2,10 +2,13 @@ var express = require('express');
 let  router = express.Router();
 let mqtt = require('mqtt');
 let moment = require('moment');
-let toSend = null;
-let tio;
+const fs = require('await-fs');
 
-const brenndauer = 300;                                      // 20sec Relais ON
+
+const configName = "config.json"
+
+
+let brenndauer = 300;                                      // 20sec Relais ON
 
 // MQTT:
 let MQTTHOST = process.env.MQTTHOST;
@@ -13,20 +16,21 @@ let MQTTPORT = process.env.MQTTPORT;
 let MQTTUSR = process.env.MQTTUSR;
 let MQTTPWD = process.env.MQTTPWD;
 
-/*
+
 if (MQTTHOST === undefined) { MQTTHOST = 'localhost';}
 if (MQTTPORT === undefined) { MQTTPORT = 1883;}
 if (MQTTUSR === undefined) { MQTTUSR = "";}
 if (MQTTPWD === undefined) { MQTTPWD = "";}
-*/
 
+/*
 if (MQTTHOST === undefined) { MQTTHOST = 'laufschrift.rexfue.de';}
 if (MQTTPORT === undefined) { MQTTPORT = 1883;}
 if (MQTTUSR === undefined) { MQTTUSR = "stwLauf";}
 if (MQTTPWD === undefined) { MQTTPWD = "37CrNcgP";}
+*/
+// console.log("H",MQTTHOST," P",MQTTPORT," U",MQTTUSR," p",MQTTPWD);
 
-console.log("H",MQTTHOST," P",MQTTPORT," U",MQTTUSR," p",MQTTPWD);
-
+let tio;
 let connected = false;
 let relais = 'MIST';
 let client = mqtt.connect("mqtt://" + MQTTHOST + ":" + MQTTPORT,{username: MQTTUSR, password: MQTTPWD});
@@ -53,6 +57,18 @@ client.on('reconnect', function(){
 // beim start mal den Zustand abfragen
 doPublish("");
 
+// Konfig einlesen und entsprechende Variablen einstellen
+(async () => {
+    try{
+        let json = await fs.readFile('config.json','utf8')
+        js = JSON.parse(json);
+        brenndauer = js.brenndauer;
+        console.log(brenndauer);
+    }catch(err){
+        console.log(err)
+    }
+})()
+
 
 function doPublish(payload) {
 //    retur.relais='pending';