/codedeploy-ecs-demo

Primary LanguageHCL

codedeploy-ecs-demo

Prerequisites

  • Git
  • AWS Account
  • Terraform
  • Docker

Usage

  • Provision Infra using Terraform
% git clone https://github.com/jrdalino/codedeploy-ecs-demo
$ cd ~/environment/codedeploy-ecs-demo
% terraform plan
% terraform apply

Part 1: Prepare and push container images to the remote repo

  • Clone the repo
% git clone https://github.com/jrdalino/nginx-blue-green-demo
  • Build and push blue/green container images to the Amazon ECR repository (V1)
% cd ~/environment/nginx-blue-green-demo/Docker
% aws ecr get-login-password --region ap-southeast-1 | docker login --username AWS --password-stdin 182101634518.dkr.ecr.ap-southeast-1.amazonaws.com
% docker build -t foo-bar-ecs .
% docker tag foo-bar-ecs:latest 182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs:v1
% docker push 182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs:v1
  • Do the same for V2
% git fetch && git checkout v2
% docker build -t foo-bar-ecs .
% docker tag foo-bar-ecs:latest 182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs:v2
% docker push 182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs:v2
  • Check Docker Images locally & Check Docker image pushed to ECR
% docker images
REPOSITORY                                                      TAG       IMAGE ID       CREATED          SIZE
182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs   v2        e985d8be7124   30 seconds ago   22.6MB
foo-bar-ecs                                                     latest    e985d8be7124   30 seconds ago   22.6MB
182101634518.dkr.ecr.ap-southeast-1.amazonaws.com/foo-bar-ecs   v1        df741806e96f   9 minutes ago    22.6MB

Part 2: Let's Deploy a new version

  • Let's create a revision of the Task Definition being used and tell ECS to use the new task set Container Image URI: V2
- Go to AWS Console > ECS > ECS Task Definitions > Check the box beside "foo-bar-ecs" > Create new revision
- Scroll down > Container Definitions > Click on Container Name "foo-bar-ecs"
- Replace Image from "v1" to "v2" > Scroll Down Click Update and Create
  • Update ECS service to use new Task Definition revision and trigger a CodeDeploy linear deployment.
- Go to AWS Console > ECS Cluster Console > Services > Check the box beside "foo-bar-ecs" > Click Update
- Select Revision latest > Click on Next Step, Accept all Defaults > Update Service
- Observe linear deployment: AWS Console > CodeDeploy Console > Deployments
- Validate using Browser: http://foo-bar-alb-1797939265.ap-southeast-1.elb.amazonaws.com/

Part 3: Rollback

  • Let's redeploy v1
- Go to AWS Console > ECS Cluster Console > Services > Check the box beside "ecs-blog-svc" > Click Update
- Select Revision 1 > Click on Next Step, Accept all Defaults > Update Service
- Observe linear deployment: AWS Console > CodeDeploy Console > Deployemnts
- Validate using Browser: http://foo-bar-alb-1797939265.ap-southeast-1.elb.amazonaws.com/

Cleanup

  • Tear down infra
% terraform destroy
  • Delete Local Docker Images
% docker image rm -f <image_id>
  • Delete Local Git Repo
% rm -rf nginx-blue-green-demo

References

% vi ~/.aws/credentials