If your task is running under a service you can force a new deployment. This forces the task definition to be re-evaluated and the new container image to be pulled. aws ecs update-service –cluster <cluster name> –service <service name> –force-new-deployment
The only necessary role is the Container Instance IAM role. This role allows the ECS agent (running on your EC2 instance) to communicate with Amazon ECS. There are five other roles that you may also find useful, for different purposes: ECS Service-Linked role (SLR) – This role enables Amazon ECS to manage a variety of … Read more
A Task Definition is a collection of 1 or more container configurations. Some Tasks may need only one container, while other Tasks may need 2 or more potentially linked containers running concurrently. The Task definition allows you to specify which Docker image to use, which ports to expose, how much CPU and memory to allot, … Read more
Your question Is ECS just a docker install in EC2? If I already have a EC2, then I start a ECS, does it mean I have two instance? No. AWS ECS is just a logical grouping (cluster) of EC2 instances, and all the EC2 instances part of an ECS act as Docker host i.e. ECS … Read more
Here’s an actual, logical way to do it. It sounds too complicated but you can actually implement it in a matter of minutes, and it works. I’m actually implementing it as we speak. You create a task for each container, and you create a service for each task, coupled with a target group for each … Read more
For most cases, you most likely want to use an ALB/NLB for service discovery. While there are some costs, you also get a lot of benefits: Some DoS protection, scaling metrics, logging, SSL/TLS However, you can use ECS service discovery. Service discovery uses Amazon Route 53 auto naming API actions to manage DNS entries for … Read more
Not sure if this is considered as abandoned question – stumbled upon this while troubleshooting my issue and now adding my solution now that it’s resolved. To update service with new container, you need to: upload new container to repository; trigger task definition update; trigger container update; important: make sure service rules allow launching new … Read more
Using the AWS CLI tool: aws ecs update-service –force-new-deployment –service my-service –cluster cluster-name