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AWS EC2/ASG: Set instance health as unhealthy using API an call
2 min read
If we are running an application on EC2 using an ASG that it's health check fails to properly notify it's status using an HTTP endpoint, if fixing it is not an option, we can create another custom HTTP endpoint to improve the existing, or if the situation cannot be fixed, we can set the instance heath as unhealthy from within the instance itself (or a lambda if needed)
29/08/2022
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Configure an AWS Load Balancer to target an Autoscaling Group using terraform
3 min read
It's quite convenient to be able to configure a AWS Load Balancer to target an Auto Scaling Group so we don't have to handle how instances are getting in and out of this load balancer. This can be done easily using terraform as follows
04/05/2022
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Using mixed_instances_policy to use Spot instances on an ASG
3 min read
If saving up to 90% for the same instance type is no reason enough to start using spot instances, to be able to use the same AutoScalingGroup to spawn both types of instances, saving us from the hassle of having to manage it by ourselves might help to change your mind
16/09/2021
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Terraform: Convert launch configuration to launch template
2 min read
Launch templates were introducted in late 2017 as a replacement for launch configurations: They are very similar, although launch templates provide much deeper and wider options to configure the instances that are going to be launched (by using an Auto Scaling Group)
27/08/2021
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