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