diff --git a/app.py b/app.py
index 66024de..3d6daa3 100644
--- a/app.py
+++ b/app.py
@@ -12,6 +12,9 @@ import traceback
 # Load environment variables from .env file
 load_dotenv()
 
+# Base URL configuration from environment variable, default to empty string if not set
+BASE_URL = os.getenv("BASE_URL", "")
+
 app = Flask(__name__)
 
 # Database configuration from environment variables
@@ -200,7 +203,7 @@ def analyze_data(df, part_info_df):
 @app.route('/')
 def index():
     """Render the main monitoring dashboard"""
-    return render_template('index.html')
+    return render_template('index.html', base_url=BASE_URL)
 
 def fetch_part_history(part_id, days=14):
     """Fetch historical data for a specific part_id for the last 'days' days"""
diff --git a/static/js/script.js b/static/js/script.js
index 6148a45..2cfe126 100644
--- a/static/js/script.js
+++ b/static/js/script.js
@@ -88,7 +88,7 @@ function fetchData(date) {
     errorMessage.classList.add('d-none');
     
     // Build the URL with date parameter if provided
-    let url = '/api/data';
+    let url = BASE_URL + '/api/data';
     if (date) {
         url += `?date=${encodeURIComponent(date)}`;
     }
@@ -315,7 +315,7 @@ function updateStatusCounts(redCount, yellowCount) {
  * Fetch historical data for a specific part_id
  */
 function fetchPartHistory(partId) {
-    return fetch(`/api/part-history?part_id=${encodeURIComponent(partId)}`)
+    return fetch(`${BASE_URL}/api/part-history?part_id=${encodeURIComponent(partId)}`)
         .then(response => {
             if (!response.ok) {
                 throw new Error('Network response was not ok');
diff --git a/templates/index.html b/templates/index.html
index 8814f6d..2e4e8af 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -138,6 +138,10 @@
 
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+    <script>
+        // Pass base URL from Flask to JavaScript
+        const BASE_URL = "{{ base_url }}";
+    </script>
     <script src="{{ url_for('static', filename='js/script.js') }}"></script>
 </body>
 </html>
\ No newline at end of file