diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9fd45e0..82961c0 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -14,9 +14,16 @@ jobs:
 
     runs-on: ubuntu-latest
 
+    services:
+      mongodb:
+        image: nats
+
     steps:
     - uses: actions/checkout@v4
     - name: Build
       run: cargo build --verbose
+      env:
+        NATS_URL: "nats:4222"
     - name: Run tests
       run: cargo test --verbose
+        NATS_URL: "nats:4222"
diff --git a/src/nkv.rs b/src/nkv.rs
index 696c914..29cc096 100644
--- a/src/nkv.rs
+++ b/src/nkv.rs
@@ -6,6 +6,7 @@ use std::sync::Arc;
 use crate::persist_value::PersistValue;
 use crate::notifier::Notifier;
 use std::fmt;
+use std::env;
 
 #[derive(Debug, PartialEq)]
 pub enum NotifyKeyValueError {
@@ -47,10 +48,12 @@ pub struct NotifyKeyValue {
 
 impl NotifyKeyValue {
     pub fn new(path: std::path::PathBuf) -> Self {
+        let nats_url = env::var("NATS_URL")
+                    .unwrap_or_else(|_| "nats://localhost:4222".to_string());
         Self{
             state: HashMap::new(),
             persist_path: path,
-            sock_path: "nats://localhost:4222".to_string(),
+            sock_path: nats_url,
         }
     }
 
diff --git a/src/notifier.rs b/src/notifier.rs
index b427a21..6a10c18 100644
--- a/src/notifier.rs
+++ b/src/notifier.rs
@@ -2,6 +2,7 @@ extern crate serde;
 extern crate serde_json;
 
 use serde::{Deserialize, Serialize};
+use std::env;
 
 #[derive(Serialize, Deserialize, Debug, PartialEq)]
 enum MessageType<T>
@@ -94,7 +95,10 @@ mod tests {
 
     // Helper function to create a Notifier instance for testing
     async fn create_test_notifier() -> Notifier {
-        let notifier = Notifier::new("nats://localhost:4222".into(), "topic".into()).await.unwrap();
+        let nats_url = env::var("NATS_URL")
+                    .unwrap_or_else(|_| "nats://localhost:4222".to_string());
+
+        let notifier = Notifier::new(nats_url, "topic".into()).await.unwrap();
         notifier
     }
 
diff --git a/src/srv.rs b/src/srv.rs
index 4ebbd99..eb8bbd6 100644
--- a/src/srv.rs
+++ b/src/srv.rs
@@ -7,6 +7,7 @@ use crate::nkv::{self, NotifyKeyValue};
 use crate::request_msg::{self, BaseResp, GetResp, PutResp, ServerResponse};
 use http::StatusCode;
 use futures::StreamExt;
+use std::env;
 
 pub struct PutMsg {
     key: String,
@@ -254,7 +255,10 @@ mod tests {
     #[tokio::test]
     async fn test_server() {
         let temp_dir = TempDir::new().expect("Failed to create temporary directory");
-        let srv = Server::new("localhost:4222".to_string(), temp_dir.path().to_path_buf()).await.unwrap();
+        let nats_url = env::var("NATS_URL")
+                    .unwrap_or_else(|_| "nats://localhost:4222".to_string());
+
+        let srv = Server::new(nats_url.to_string(), temp_dir.path().to_path_buf()).await.unwrap();
 
         let put_tx = srv.put_tx();
         let get_tx = srv.get_tx();
@@ -289,9 +293,11 @@ mod tests {
         let temp_dir = TempDir::new().expect("Failed to create temporary directory");
 
         // creates background task where it serves threads
-        let _srv = Server::new("localhost:4222".to_string(), temp_dir.path().to_path_buf()).await.unwrap();
+        let nats_url = env::var("NATS_URL")
+                    .unwrap_or_else(|_| "nats://localhost:4222".to_string());
+
+        let _srv = Server::new(nats_url.clone(), temp_dir.path().to_path_buf()).await.unwrap();
 
-        let nats_url = "localhost:4222".to_string();
         let client = NatsClient::new(&nats_url).await.unwrap();
 
         let value: Box<[u8]> = Box::new([1, 2, 3, 4, 5]);