diff --git a/example.env b/example.env
new file mode 100644
index 0000000..16b8311
--- /dev/null
+++ b/example.env
@@ -0,0 +1,9 @@
+ONLY_SHOW_AVAILABLE=true # Optional, default: true (only show available reports in the UI)
+CALDAV_URL=https://example.com/calendars/ # URL to the caldav server
+CALDAV_USER=USERNAME # Username for the caldav server
+CALDAV_PASSWORD=PASSWORD # Password for the caldav server
+CALDAV_CALENDAR=CALENDARNAME # Calendar name from the caldav server
+UNTIS_SCHOOLS=School1,School2 # Comma seperated list of schools (find in URL when logging in to untis, replace + with space)
+UNTIS_USERNAMES=USERNAME1,USERNAME2 # Usernames for untis schools
+UNTIS_PASSWORDS=PASSWORD1,PASSWORD2 # Passwords for untis schools
+UNTIS_SERVERS=server1.webuntis.com,server2.webuntis.com # Servers for untis chools
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 398aa23..f3ccc1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,6 +5,7 @@
   "packages": {
     "": {
       "dependencies": {
+        "dotenv": "^16.3.1",
         "express": "^4.18.2",
         "moment": "^2.29.4",
         "node-cron": "^3.0.2",
@@ -234,6 +235,17 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.3.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.3.1.tgz",
+      "integrity": "sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/motdotla/dotenv?sponsor=1"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -981,6 +993,11 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
       "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg=="
     },
+    "dotenv": {
+      "version": "16.3.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.3.1.tgz",
+      "integrity": "sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ=="
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
diff --git a/package.json b/package.json
index 8ae662b..256559d 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "dependencies": {
+    "dotenv": "^16.3.1",
     "express": "^4.18.2",
     "moment": "^2.29.4",
     "node-cron": "^3.0.2",
diff --git a/src/server.js b/src/server.js
index deb11ad..403a16b 100644
--- a/src/server.js
+++ b/src/server.js
@@ -6,6 +6,8 @@ const moment = require('moment');
 const { WebUntis } = require('webuntis');
 var cron = require('node-cron');
 
+require('dotenv').config();
+
 // Befehl für die Skriptausführung
 const command = process.platform === 'win32' ? 'python' : 'python3';
 // Pfad zum Kalender-Skript