How to resolve ELB health check failure on ECS deployment.

This section explains how to resolve the ELB health check failure on ECS deployment, as shown in the image below:

1. Please navigate to the EC2 -> Target groups -> Health checks -> Advanced health check settings in the AWS console page. Then, change the success code from 200 to 302.
   
   
2. After changing the success code, it looks like the image below.
   
   
3. Once the success code is updated in the target group, a new task will be created in the ECS cluster service.

   Note: It will take some time to create the new task. Alternatively, manually stop the running task. After stopping the task, a new task will be automatically created in the ECS cluster service.