This application has a login and an account registration elaborated in fxml. The passwords are encrypted with RSA, also you have possibility of add friends.
Create the config dir into the database dir. Into the config make and set up an interface called Parameters and paste the connection line that provides MongoDB Cloud:
"mongodb+srv://<username>:<password>@cluster0.cvb3g0s.mongodb.net/?retryWrites=true&w=majority;"
You can find the string connection in the MongoDB section "Connect to cluster" in "Drivers" then select "JAVA":
To remember You should clone the repo quarkus-api-rsa for utilize the RSA that provides.
Note: This application has things to improve, such as a user can communicate with another specific user because it looks like a chat room.