Application monitoring method, device and system, computer equipment and storage medium

The invention relates to an application monitoring method, device and system, computer equipment, a storage medium and a computer program product, the method is applied to a server-free architecture, the server-free architecture is deployed with a service constructed by a function, the function is constructed based on service logic of the server-free architecture, and the service logic of the server-free architecture is constructed based on the service logic of the server-free architecture. The method comprises the steps that application data of a target object is read from a database, and the application data is acquired according to the data source type of the target object and stored in the database in a classified mode; performing data processing on the application data based on a preset alarm rule, and screening out the application data triggering the alarm rule; performing message packaging on the application data triggering the alarm rule to generate alarm information; and calling the alarm information