Add and use Flask-Minify.

requirements.txt

@@ -2,8 +2,9 @@ bcrypt==4.0.0
 click==8.1.3
 email-validator==1.3.0
 Flask==2.2.2
-Flask-WTF==1.0.1
+Flask-Minify=0.39
 Flask-SQLAlchemy==2.5.1
+Flask-WTF==1.0.1
 gunicorn==20.1.0
 itsdangerous==2.1.2
 Jinja2==3.1.2

undercover/__init__.py

@@ -4,6 +4,7 @@ import os
 import sys
 
 from flask import Flask
+from flask_minify import Minify
 
 import undercover.routes
 from undercover.css import optimize_css_file
@@ -13,6 +14,7 @@ def create_app(test_config=None):
     optimize_css_file()
 
     app = Flask(__name__, instance_relative_config=True)
+    Minify(app=app, html=True, js=True, cssless=True)
     secret_key = os.environ.get('UNDERCOVER_SECRET_KEY')
     if not secret_key:
         sys.stderr.write("WARNING: UNDERCOVER_SECRET_KEY is not defined! Application may be insecure.\n")