AWS Notes
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AWS Notes — Amazon Web Services Educational and Information Channel

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Направляем трафик напрямую от NLB к ALB без дополнительных костылей:

https://aws.amazon.com/blogs/networking-and-content-delivery/application-load-balancer-type-target-group-for-network-load-balancer/

Today, we are launching ALB as a Target of NLB to simplify this process. This new feature allows AWS customers to directly register an ALB as an NLB target, eliminating the need to actively manage changing ALB IP addresses. This is achieved by making use of a newly introduced Application Load Balancer-type target group for NLB.

#NLB #ALB
​​Multiple applications on EKS using a single ALB:

https://aws.amazon.com/blogs/containers/how-to-expose-multiple-applications-on-amazon-eks-using-a-single-application-load-balancer/

▫️ In this blog post, we demonstrated, in a step-by-step procedure, how to implement a microservices architecture in a simple and cost-effective way using EKS with a single ALB.
▫️ If you wish, you could also achieve the same results by using several Ingress objects pointing to the same ALB using the annotation “alb.ingress.kubernetes.io/group.name”. In this case, you would create individual Ingresses and add a common name to this annotation.
▫️ By using this approach, different teams can be completely independent from each other because they can deploy and manage their own services and ingresses while relying on the ALB.

#EKS #ALB
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​​ALB + TLS 1.3: 🎉

https://docs.aws.amazon.com/elasticloadbalancing/latest/application/create-https-listener.html#describe-ssl-policies

🔹 ELBSecurityPolicy-TLS13-1-2-2021-06 security policy is the default policy for HTTPS listeners created using the AWS Console. This security policy includes TLS 1.3, which is optimized for security and performance, and backward compatible with TLS 1.2.
🔸 ELBSecurityPolicy-2016-08 policy is the default security policy for listeners created using the AWS CLI.

#ALB
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ALB vs NLB vs GWLB (Gateway Load Balancer)

https://devopscube.com/aws-load-balancers/

All the most important features of different types of AWS Load Balancers (ALB, NLB, GWLB) in one place. Great animation, informative pictures, highly recommended!

#ALB #NLB #GWLB
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​​ALB + Resource Map

Теперь для ALB можно посмотреть раскладку по портам-рулам-таргетам, также, как это сделано для VPC.

Удобная штука, очень хорошо.

#ALB
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ALB + управление заголовками

https://docs.aws.amazon.com/elasticloadbalancing/latest/application/header-modification.html

Теперь можно задавать CORS сотоварищи прямо на ALB. А не напрягать чувствительных разработчиков вопросами "Где у вас тут переменная для изменения CORS?"

И для прохождения Compliance теперь всё просто — вырезаем "Server" заголовки от любого, даже легаси, приложения прямо на ALB.

То есть можно добавлять, изменять и удалять заголовки. А значит любой бэкенд теперь костылить будет много проще.

#ALB
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Переадресация для ALB 🎉

https://aws.amazon.com/blogs/networking-and-content-delivery/introducing-url-and-host-header-rewrite-with-aws-application-load-balancers/

Теперь можно делать переадресацию прямо на балансере, равно как и переписывать заголовки.

Это ж сколько поколений сараев с костылями и велосипедами можно списывать в утиль.

Ура, господа, тихое такое, но ура.

#ALB
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