The application will have the task of saving items to the database.
The infrastructure will be built using terraform on the Google Cloud Platform. Below is a diagram showing its architecture.

Api gateway exposes one endpoint for the entire application and all its services.
Allows you to add items to the database and get all items from database It is written in Node.js.
Firestore is a document database that I decided to use to store items information.
In it, I store all the application code that is called by other services.
In addition, in order to control the operation of the application, I configure the Cloud Monitoring service.