diff --git a/Dockerfile b/Dockerfile
index 47165f7..a7fa107 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18-alpine3.14
+FROM node:18-alpine3.18
 RUN apk update && apk upgrade && sync
 EXPOSE 3000
 WORKDIR /usr/app
diff --git a/src/index.ts b/src/index.ts
index 9f9a57a..fcd02f6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -33,15 +33,12 @@ export type DataPoint = {
   value: number;
 };
 
+let tempValue = 0.;
+
 async function pullTempFromBackend() {
   try {
     const response = await axios.get(
-      'https://sensors.mooreforge.com/api/teasense/',
-      {
-        headers: {
-          Authorization: 'Basic Y2FyYW5tZWdpbDplOHl0cjl1dQ==',
-        },
-      },
+      process.env.TEASENSE_URL ?? ''
     );
 
     const result = response.data.reduce(
@@ -57,25 +54,32 @@ async function pullTempFromBackend() {
       null,
     );
 
-    if (result && result.value >= 78.0) {
-      try {
-        const resultStr = await messaging.send({
-          data: {
-            value: `${result?.value}`
-          },
-          topic: 'teasense',
-        });
-        console.log(resultStr);
-      } catch (e) {
-        console.error(e);
-      }
+    if (result?.value && result?.value >= parseInt(process.env.TEASENSE_TEMP ?? '100.0')) {
+      tempValue = result?.value;
     }
   } catch (e) {
-    console.log(e);
+    console.error(e);
   } finally {
-    setTimeout(() => pullTempFromBackend(), 1000);
+    setTimeout(() => pullTempFromBackend(), 2000);
   }
 }
 
-pullTempFromBackend();
+(async function () {
+  await pullTempFromBackend();
 
+  setInterval(async () => {
+    if (tempValue > 0.) {
+      try {
+        await messaging.send({
+          notification: {
+            body: `♨️ ${tempValue} C`,
+          },
+          topic: 'teasense',
+        });
+      } catch (e) {
+        console.error(e);
+      }
+      tempValue = 0.;
+    }
+  }, 5000);
+})();