Linux Containers (LXC) are now certified to run Oracle Database 12c, including Oracle RAC and ASM. You can check out for yourself in the Virtualization Support Matrix as well as in the Database 12.1 Release Notes. If you want to give it quick try and figure out what could be done, nothing is very complicated. Below is a quick introduction. It demonstrates how to use Oracle database 12.1 with Oracle Linux 7.x and LXC container.