Ubuntu 14.04 and 16.04 machine images are deprecated. Brownouts will occur on March 29 & April 26 in advance of EOL on May 31, 2022.
Get a head start on your migration from Jenkins to CircleCI.
Upload your Jenkins configuration file to convert it into a CircleCI configuration file that you can adjust to meet your needs. View configuration guide
Please note that only declarative Jenkins configuration files and a limited number of Jenkins plugins are currently supported. View supported plugins