DevLab also gives you the ability to switch containers at runtime (something that would require reconfig of compose). For example, if you're testing on node:0.1

DevLab also gives you the ability to switch containers at runtime (something that would require reconfig of compose). For example, if you're testing on node:0.12 and want to see if it works in node:4 you can simply run: 'lab test -f node:4' There's no additional overhead or cleanup, or modification of files.