18
votes
Accepted
Simple CI/CD Containers in AWS
I would keep the ECS container instances (I'm talking about the Docker hosts - I don't like AWS terminology here) and the deployment as two separate things.
Get your ECS stack up and running. You can ...
- 1,965
11
votes
Accepted
How to get environment variables in ECS container?
Environment variables are defined inside the container and some are passed in the task definition. So you can use describe-task-definition to see the extra variables.
To get the default environment ...
- 5,837
8
votes
Using volumes on AWS fargate
Yes, I opened a support ticket and the AWS representative said that
Fargate is really intended as a stateless container solution. I took
that to mean it's more of a self-made Lambda rather than a ...
- 241
8
votes
Accepted
How to deploy multiple dependent micro services
Such question could be an indication of a poor architectural slicing into microservices. From What are Microservices?:
These services are built around business capabilities and
independently ...
- 6,750
6
votes
Accepted
How to move EC2 instance to another ECS cluster
You need to follow these steps:
Set ECS_CLUSTER=devcluster in /etc/ecs/ecs.config
Stop all tasks/containers
Remove checkpoint file - /var/lib/ecs/data/ecs_agent_data.json
Start ECS agent again as ...
- 176
6
votes
AWS ECS/EKS: EC2 vs Fargate mode
Update 12/05/2020: Fargate prices have been greatly reduced over the last months and are now comparable with EC2 prices for the same CPU / RAM configurations. That makes Fargate a valid option for ...
- 1,011
6
votes
Accepted
Is AWS Fargate suitable for web applications?
Fargate is absolutely suitable for web apps. We have many customers that use it that way (and many others that use it in a more "batchy" way). Fargate is a managed compute engine and AWS ...
- 256
5
votes
Accepted
Update ECS task definition with new image from ECR
Options are:
Use CodeBuild to push the new image. Make sure the task definition is using the "latest" tag. You'll need to force the deployment of the task definition to pick the new image.
Use ...
- 211
5
votes
Accepted
Best way to launch 100 identical Docker machines on AWS?
Look at AWS Fargate - it lets you run your Docker containers without having to spin up the EC2 instances for an ECS cluster. You simply schedule the Tasks (or Services), each gets is own IP address ...
- 1,011
5
votes
Accepted
Blue/green deployment with micro services and DNS
You should have 3 names when you're willing to do a blue/green deployment.
Two set of names, one for blue, one for green, which will works as is, and a production entrypoint which will point to ...
- 11.4k
5
votes
What's the benefit of using Nginx to serve a Flask API on AWS?
Unless you are using the AWS API Gateway, you'll still need some way of "serving" your Flask API. You will also need to provision an EC2 instance and run something to serve your API. Instead of ...
- 2,762
5
votes
Accepted
Startup of ECS Fargate task fails with ResourceInitializationError mount.nfs4 Connection timed out
Underlying reason:
The ECS service's network access security group did not have permission to access EFS.
Solution:
Add an inbound rule for type NFS in the security group as described in this ...
- 273
4
votes
Amazon ECS Basic Definitions and Terms
AWS provide different services and categories them on base of computation, storage, databases, management, Analytics, Messaging, Developer Tools etc.
ECS comes under the computing services.
Amazon ...
- 191
4
votes
Update ECS task definition with new image from ECR
If task definition is using "latest" as image tag in container definition,to update ecs service in order to pull new image from ECR with "latest" tag. You can simply do Force new deployment
aws ecs ...
4
votes
Configure VPC for ECR access
This error CannotPullContainerError usually occurs when you have no access to the Internet from ECS and thus it doesn't able to pull an image from registry.
Make sure you have networking configured ...
- 671
4
votes
Accepted
In what way does a new ECS Fargate service not satisfy the task definition's required capabilities?
This is by design because AWS have yet to upgrade LATEST to point to v1.4.0 (as per 2020-06-23, see AWS ECS Developer Guide). Set the service platform version explicitly to 1.4.0 (instead of LATEST).
- 273
4
votes
Is AWS Fargate suitable for web applications?
But from what I've understood Fargate is more suitable for container that have a limited lifetime?
That's not strictly correct, Fargate capabilities include tasks which are suitable for short-term ...
- 280
3
votes
Accepted
ECS auto deploy with ECR
I don't think you can trigger re-deployment based on ECS image being updated. You can however do it as part of your Jenkins pipeline - after you push to ECR as a next step in the pipeline can run a ...
- 1,011
3
votes
How can I push multiple containers, created with docker-compose, to a registry
Just make sure the images you build all have the right names in terms of registry prefix and so on. If not you need to rename them accordingly.
Otherwise this task is pretty easy. To push all Images ...
3
votes
Simple CI/CD Containers in AWS
For simple use case described I would suggest checking Elastic Beanstalk for Docker, it's not the minimal solution like bare ECS usage, but you can benefit from auto-managed and configured services ...
- 657
3
votes
Accepted
Docker image registries
It depends on several factors.
If your images can be public or must be private. If you can make a public image, docker hub could work.
With ECR you will have a fine grain control of your permissions,...
- 305
3
votes
Get tagging to work on AWS CLI
I think this is because your ECS service was created before tagging was available for ECS services.
See this blog post by AWS on how to migrate to the new ARN format. https://aws.amazon.com/blogs/...
- 1,064
3
votes
Accessing a AWS docker instance via localhost only?
Have you tried using awsvpc mode? https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-networking.html
You can follow this tutorial - https://docs.aws.amazon.com/AmazonECS/latest/userguide/...
- 151
3
votes
Accepted
Why do I need a Nat Gateway for ECS containers using AWSVPC?
While this is completely possible, it would mean that your instance would be accessible from the internet. Public subnet means that your instances are accessible directly from the outside. Private ...
- 355
2
votes
How to move EC2 instance to another ECS cluster
The way a cluster becomes aware of the EC2 instances associated to it, is a configuration file used by the ECS agent. You can modify this file, located at /etc/ecs/ecs.config, and name a different ...
- 9,003
2
votes
Accepted
AWS Task definition memory for Ubuntu docker image
There are two important parameters that you can use wisely to deal with AWS ECS task definition.
memory:
The hard limit (in MiB) of memory to present to the container. If your
container ...
- 272
2
votes
What is the best way to find the Auto Scaling Group of an ECS cluster?
Example in AWS cli that should work to get the ASG name
a=curl 'http://169.254.169.254/latest/meta-data/instance-id'; aws autoscaling describe-auto-scaling-instances --instance-ids $a --query '...
- 320
2
votes
Is running load balanced autoscale apps cheaper on AWS Kubernetes than just using EC2 resources?
From your comment I assume a cpu load under 5% in average considering all instances together.
Each of your actual instance can be a pod on a kubernetes node, using quite larger instances you can ...
- 11.4k
2
votes
Accepted
How to use ecs service dicovery
The goal can be achieved via several solutions. We can use service with awsvpc as network mode, so your service can get a real "A" DNS record and ENI interface, you must pay attention with this ...
- 61
2
votes
Best way to launch 100 identical Docker machines on AWS?
Why don't you use Terraform for the purpose? It can launch as many instances you want, create network for you, create security groups, ECS, IAMs or whatever you want to create and terminate easily ...
- 253
Only top scored, non community-wiki answers of a minimum length are eligible