From 0f6b444eedd0cf20f12c4b0f6cc8fefea3c53ae2 Mon Sep 17 00:00:00 2001
From: Dimitris <dimitrios.kouros@kouros-online.de>
Date: Fri, 12 Jun 2026 12:25:49 +0200
Subject: [PATCH] .env

---
 Cargo.lock  |  7 +++++++
 Cargo.toml  |  1 +
 src/main.rs | 15 +++++++++++++--
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ba69ffd..47677e9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -239,6 +239,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "dtoa"
 version = "1.0.11"
@@ -2065,6 +2071,7 @@ name = "weather"
 version = "0.1.0"
 dependencies = [
  "chrono",
+ "dotenv",
  "reqwest 0.13.4",
  "rumqttc",
  "scraper 0.27.0",
diff --git a/Cargo.toml b/Cargo.toml
index 46c0672..bdeff47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ serde = { version = "1.0.228", features = ["derive"] }
 serde_derive = "1.0.228"
 serde_json = "1.0.149"
 chrono = "0.4.45"
+dotenv = "0.15.0"
 
 # Raspberrypi
 # cross build --release --target aarch64-unknown-linux-gnu
diff --git a/src/main.rs b/src/main.rs
index 6a1a2cd..50da31e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,8 @@ use rumqttc::{AsyncClient, EventLoop, MqttOptions, QoS};
 use scraper::{Html as HtmlScraper, Selector};
 use std::time::Duration;
 use tokio::{task, time};
+use dotenv::dotenv;
+use std::env;
 
 const METEO_MUNICH_API_URL: &str =
     "https://www.meteorologie.lmu.de/~quicklooks/aktuelle_messwerte/messwerte_stadt.html";
@@ -15,6 +17,9 @@ const LONGITUDE_MUC: f64 = 11.542922;
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() {
+
+    dotenv().ok();
+
     let (client, mut eventloop) = create_conn();
 
     match meteo_weather().await {
@@ -157,11 +162,17 @@ async fn publish_topic(client: AsyncClient, topic: &str, value: String) {
 }
 
 fn create_conn() -> (AsyncClient, EventLoop) {
-    let mut mqttoptions = MqttOptions::new("rust-mqqt", "192.168.1.37", 1883);
+    let mqtt_client = env::var("MQTT_CLIENT");
+    let mqtt_broker = env::var("MQTT_BROKER");
+    let mqtt_user = env::var("MQTT_USER");
+    let mqtt_password = env::var("MQTT_PASSWORD");
+
+    let mut mqttoptions = MqttOptions::new(mqtt_client.unwrap(), mqtt_broker.unwrap(), 1883);
     mqttoptions
         .set_keep_alive(Duration::from_secs(5))
         .set_manual_acks(false)
-        .set_credentials("mqtt", "delta32#")
+        .set_credentials(mqtt_user.unwrap(), mqtt_password.unwrap())
         .set_clean_session(false);
     AsyncClient::new(mqttoptions, 10)
 }
+