Web front enabled basic flask setup

app/__init__.py

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+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import LoginManager
+
+db = SQLAlchemy()
+login_manager = LoginManager()
+
+def create_app():
+    app = Flask(__name__)
+    app.config['SECRET_KEY'] = 'devkey'  # Change this for production
+    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///do_tracker.db'
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+    db.init_app(app)
+    login_manager.init_app(app)
+
+    from .routes import main as main_blueprint
+    app.register_blueprint(main_blueprint)
+
+    return app

app/routes.py

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+from flask import Blueprint
+
+main = Blueprint('main', __name__)
+
+@main.route("/")
+def home():
+    return "<h1>DO Tracker Online</h1><p>Welcome to the system.</p>"

run.py

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+from app import create_app
+
+app = create_app()
+
+if __name__ == "__main__":
+    app.run(debug=True)