"Progress is impossible without change, and those who cannot change their minds cannot change anything.
CI/CD tools, Containers, Configuration Managment, Container Orchestration, Infrastructure provisioning.
Tools for monitor software and infrastructure (infrastructure and application monitoring), logs managment
The most popular engine is Docker used to create containers.
This is recommendation to read, to have some kind of picture what is container.Second Step is to try make some kind of docker image, create docker account on dockerhub..
Popular tools for CI is GitHub actions, GitLab CI, BitBucket
Popular tools for CD (continuos deployment/delivery) Jenkins,GitLab, AWS CodeDeploy, TeamCity