How to add ApplicationLoadBalancer to NetworkLoadBalancedFargateService?

[vmchieu17]

I have a service in production that is using NetworkLoadBalancedFargateService. I was wondering if it is possible and how to add an ApplicationLoadBalancer in between NetworkLoadBalancer and the backend service safely?

[peterwoodworth]

Answer: You cannot add an ApplicationLoadBalancer to a NetworkLoadBalancedFargateService. The ecs-patterns library has opinionated designs - if you want to stray from the design it offers you should drop down to the L2 constructs in our non-patterns libraries.

[github-actions[bot]]

Hello! A team member has marked the above comment as the likely answer to this discussion thread.

• If you agree, please upvote that comment, or click on Mark as answer. I will automatically mark the comment as the answer next time I check.

• If this answer does not help you, please downvote the answer instead and let us know why it was not helpful. I will add a label to this discussion to gain attention from the team.

[github-actions[bot]]

Hello! Reopening this discussion to make it searchable.