Disable caches

app/routes.py

@@ -2,15 +2,25 @@ from os.path import join
 from flask import render_template, send_from_directory
 from app import app
 
-
 PLOTS_PATH = "../plots"
 
-
 PLOTS = [
-        ['dom_activity', 'dom_rates'],
-        ['pmt_rates', 'pmt_hrv'],
-        ['trigger_rates'],
-        ]
+    ['dom_activity', 'dom_rates'],
+    ['pmt_rates', 'pmt_hrv'],
+    ['trigger_rates'],
+]
+
+
+@app.after_request
+def add_header(r):
+    """
+    Disable caches.
+    """
+    r.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
+    r.headers["Pragma"] = "no-cache"
+    r.headers["Expires"] = "0"
+    r.headers["Cache-Control"] = "public, max-age=0"
+    return r
 
 
 @app.route('/')