In the same time you can define how many task you want for the service.
Aws ecs container health check.
The healthcheck property specifies an object representing a container health check.
Cmd shell exit 0 cmd shell exit 1 i would expect the former to result in a task with a healthy health status and the latter to fail the health checks.
We have been trying to add a health check on the task definition however it refuses to work.
On the step 2.
Container agent is only supported on amazon ec2 instances.
Basically because there are different contexts.
If the subnets are not the same the elb health check can fail and the containers.
The following describes the possible healthstatus values for a task.
Open the amazon ecs console and then set the host port to 0 for the task definition that.
The container health check status of nonessential containers do not have an effect on the health status of a task.
Aws documentation aws cloudformation user guide.
Ecs is the aws docker container service that handles the orchestration and provisioning of docker containers.
Go to ecs find the service dig into the container configuration.
In the navigation bar choose services and then select ecs from the list.
If you want to reach your container calling you load balancer you can reach only healthy container health check of the target group.
The health check might be failing because your container failed to start for any number of reasons.
Unknown the container health check is being evaluated or there is no container health check defined.
So you need an health check to identify what task is healthy and so on.
Health check parameters that are specified in a container definition override any docker.
To route health check traffic correctly when you create a target group choose target groups and then choose actions choose edit health check for port choose traffic port.
Select your service from the service name list.
I have tried these basic healthcheck commands.
To set up dynamic port mapping complete the following steps.
Configure network page change the health check grace period to an appropriate time period for your service maximum is 2 147 483 647 seconds.
Get container logs if possible forward to aws elk whatever.
You can attach multiple target groups to your amazon ecs services that are running on either amazon ec2 or aws fargate.
The following are notes about container health check support.
Create an application load balancer and a target group.
Double check their config and ports.
