A DevOps Padawan Journey

OSCP or Online Certificate Status Protocol for friends, provides a centralized mean of checking certificate validation and revocation by a central authority in the form of a Certificate Authority that migh emit and revoke certificates.

So you have created your Letsencrypt certificate using certbot, and now wish to import the generated certificate to your already existing server such as Wildfly or Tomcat that makes use of a Javakeystore, and where you were previously using your self signed certificate that comes along with each tutorial.