Use case:
- Set up an AutoScaling Group with exactly 1 min/max/desired instance
- Attach an Elastic IP to the active instance
Usually for interoperability reasons and/or IP-based network rules (80's firewall anyone?).
Use case:
Usually for interoperability reasons and/or IP-based network rules (80's firewall anyone?).
TL;DR: break the dependency cycle by declaring rules between two of the groups from the dependency chain with aws_security_group_rule