at least one hardware processor; and

a computer-readable medium storing instructions that, when executed by the at least one hardware processor, cause the at least one hardware processor to perform operations comprising:

receiving, at a microservice application, a message involving an action to be performed on a database;

generating, at the microservice application, a first database statement requesting the action be performed;

sending the first database statement to the database for processing;

writing, at an outbox processor integrated within the microservice application, a first entry containing information about the action, to an outbox data structure in the database;

in response to the sending of the first database statement, reading out a plurality of entries in the outbox data structure, the plurality of entries comprising the first entry and at least one other entry corresponding to a database statement sent to the database for processing prior to the first database statement; and

generating one or more notifications to an external system regarding plurality of entries read out of the outbox data structure.