Add meal tracker app: Flask + SQLite with auth, dashboard, 31 passing tests, Docker Compose

app.py

@@ -0,0 +1,27 @@
+"""Meal Tracker — Flask application entry point."""
+
+import os
+
+from flask import Flask
+
+from models import init_db
+from auth import auth_bp
+from meals import meals_bp
+
+
+def create_app() -> Flask:
+    app = Flask(__name__)
+    app.secret_key = os.environ.get("SECRET_KEY", "dev-secret-change-me")
+
+    app.register_blueprint(auth_bp)
+    app.register_blueprint(meals_bp)
+
+    with app.app_context():
+        init_db()
+
+    return app
+
+
+if __name__ == "__main__":
+    app = create_app()
+    app.run(host="0.0.0.0", port=5000, debug=True)