Increase x86_64_build resource_class to medium+
Change from default of medium (4 GB RAM) to medium+ (6 GB RAM) to see if
it fixes SIGKILL.
@@ -4,6 +4,7 @@ jobs:
docker:
# `kronicdeth` is temporary until we get a DockerHub organization
- image: kronicdeth/lumen-development
+ resource_class: medium+
steps:
- checkout
- run:
