Note: GitHub-hosted runners are not currently supported on GitHub Enterprise Server. You can see more information about planned future support on the GitHub public roadmap.
Introduction
This guide explains how to use GitHub Actions to build a containerized application, push it to Amazon Elastic Container Registry (ECR), and deploy it to Amazon Elastic Container Service (ECS) when there is a push to the main
branch.
On every new push to main
in your GitHub repository, the GitHub Actions workflow builds and pushes a new container image to Amazon ECR, and then deploys a new task definition to Amazon ECS.
Note: If your GitHub Actions workflows need to access resources from a cloud provider that supports OpenID Connect (OIDC), you can configure your workflows to authenticate directly to the cloud provider. This will let you stop storing these credentials as long-lived secrets and provide other security benefits. For more information, see "About security hardening with OpenID Connect"
Note: support for custom claims for OIDC is unavailable in AWS.
Prerequisites
Before creating your GitHub Actions workflow, you will first need to complete the following setup steps for Amazon ECR and ECS:
-
Create an Amazon ECR repository to store your images.
For example, using the AWS CLI:
Bash aws ecr create-repository \ --repository-name MY_ECR_REPOSITORY \ --region MY_AWS_REGION
aws ecr create-repository \ --repository-name MY_ECR_REPOSITORY \ --region MY_AWS_REGION
Ensure that you use the same Amazon ECR repository name (represented here by
MY_ECR_REPOSITORY
) for theECR_REPOSITORY
variable in the workflow below.Ensure that you use the same AWS region value for the
AWS_REGION
(represented here byMY_AWS_REGION
) variable in the workflow below. -
Create an Amazon ECS task definition, cluster, and service.
For details, follow the Getting started wizard on the Amazon ECS console, or the Getting started guide in the Amazon ECS documentation.
Ensure that you note the names you set for the Amazon ECS service and cluster, and use them for the
ECS_SERVICE
andECS_CLUSTER
variables in the workflow below. -
Store your Amazon ECS task definition as a JSON file in your GitHub repository.
The format of the file should be the same as the output generated by:
Bash aws ecs register-task-definition --generate-cli-skeleton
aws ecs register-task-definition --generate-cli-skeleton
Ensure that you set the
ECS_TASK_DEFINITION
variable in the workflow below as the path to the JSON file.Ensure that you set the
CONTAINER_NAME
variable in the workflow below as the container name in thecontainerDefinitions
section of the task definition. -
Create GitHub Actions secrets named
AWS_ACCESS_KEY_ID
andAWS_SECRET_ACCESS_KEY
to store the values for your Amazon IAM access key.For more information on creating secrets for GitHub Actions, see "Using secrets in GitHub Actions."
See the documentation for each action used below for the recommended IAM policies for the IAM user, and methods for handling the access key credentials.
-
Optionally, configure a deployment environment. Environments are used to describe a general deployment target like
production
,staging
, ordevelopment
. When a GitHub Actions workflow deploys to an environment, the environment is displayed on the main page of the repository. You can use environments to require approval for a job to proceed, restrict which branches can trigger a workflow, or limit access to secrets. For more information about creating environments, see "Using environments for deployment."
Creating the workflow
Once you've completed the prerequisites, you can proceed with creating the workflow.
The following example workflow demonstrates how to build a container image and push it to Amazon ECR. It then updates the task definition with the new image ID, and deploys the task definition to Amazon ECS.
Ensure that you provide your own values for all the variables in the env
key of the workflow.
If you configured a deployment environment, change the value of environment
to be the name of your environment. If you did not configure an environment, delete the environment
key.
# This workflow uses actions that are not certified by GitHub. # They are provided by a third-party and are governed by # separate terms of service, privacy policy, and support # documentation. # GitHub recommends pinning actions to a commit SHA. # To get a newer version, you will need to update the SHA. # You can also reference a tag or branch, but the action may change without warning. name: Deploy to Amazon ECS on: push: branches: - main env: AWS_REGION: MY_AWS_REGION # set this to your preferred AWS region, e.g. us-west-1 ECR_REPOSITORY: MY_ECR_REPOSITORY # set this to your Amazon ECR repository name ECS_SERVICE: MY_ECS_SERVICE # set this to your Amazon ECS service name ECS_CLUSTER: MY_ECS_CLUSTER # set this to your Amazon ECS cluster name ECS_TASK_DEFINITION: MY_ECS_TASK_DEFINITION # set this to the path to your Amazon ECS task definition # file, e.g. .aws/task-definition.json CONTAINER_NAME: MY_CONTAINER_NAME # set this to the name of the container in the # containerDefinitions section of your task definition jobs: deploy: name: Deploy runs-on: ubuntu-latest environment: production steps: - name: Checkout uses: actions/checkout@v4 - name: Configure AWS credentials uses: aws-actions/configure-aws-credentials@0e613a0980cbf65ed5b322eb7a1e075d28913a83 with: aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }} aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }} aws-region: ${{ env.AWS_REGION }} - name: Login to Amazon ECR id: login-ecr uses: aws-actions/amazon-ecr-login@62f4f872db3836360b72999f4b87f1ff13310f3a - name: Build, tag, and push image to Amazon ECR id: build-image env: ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }} IMAGE_TAG: ${{ github.sha }} run: | # Build a docker container and # push it to ECR so that it can # be deployed to ECS. docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG . docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG echo "::set-output name=image::$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" - name: Fill in the new image ID in the Amazon ECS task definition id: task-def uses: aws-actions/amazon-ecs-render-task-definition@c804dfbdd57f713b6c079302a4c01db7017a36fc with: task-definition: ${{ env.ECS_TASK_DEFINITION }} container-name: ${{ env.CONTAINER_NAME }} image: ${{ steps.build-image.outputs.image }} - name: Deploy Amazon ECS task definition uses: aws-actions/amazon-ecs-deploy-task-definition@df9643053eda01f169e64a0e60233aacca83799a with: task-definition: ${{ steps.task-def.outputs.task-definition }} service: ${{ env.ECS_SERVICE }} cluster: ${{ env.ECS_CLUSTER }} wait-for-service-stability: true
# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.
name: Deploy to Amazon ECS
on:
push:
branches:
- main
env:
AWS_REGION: MY_AWS_REGION # set this to your preferred AWS region, e.g. us-west-1
ECR_REPOSITORY: MY_ECR_REPOSITORY # set this to your Amazon ECR repository name
ECS_SERVICE: MY_ECS_SERVICE # set this to your Amazon ECS service name
ECS_CLUSTER: MY_ECS_CLUSTER # set this to your Amazon ECS cluster name
ECS_TASK_DEFINITION: MY_ECS_TASK_DEFINITION # set this to the path to your Amazon ECS task definition
# file, e.g. .aws/task-definition.json
CONTAINER_NAME: MY_CONTAINER_NAME # set this to the name of the container in the
# containerDefinitions section of your task definition
jobs:
deploy:
name: Deploy
runs-on: ubuntu-latest
environment: production
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@0e613a0980cbf65ed5b322eb7a1e075d28913a83
with:
aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
aws-region: ${{ env.AWS_REGION }}
- name: Login to Amazon ECR
id: login-ecr
uses: aws-actions/amazon-ecr-login@62f4f872db3836360b72999f4b87f1ff13310f3a
- name: Build, tag, and push image to Amazon ECR
id: build-image
env:
ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
IMAGE_TAG: ${{ github.sha }}
run: |
# Build a docker container and
# push it to ECR so that it can
# be deployed to ECS.
docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
echo "::set-output name=image::$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG"
- name: Fill in the new image ID in the Amazon ECS task definition
id: task-def
uses: aws-actions/amazon-ecs-render-task-definition@c804dfbdd57f713b6c079302a4c01db7017a36fc
with:
task-definition: ${{ env.ECS_TASK_DEFINITION }}
container-name: ${{ env.CONTAINER_NAME }}
image: ${{ steps.build-image.outputs.image }}
- name: Deploy Amazon ECS task definition
uses: aws-actions/amazon-ecs-deploy-task-definition@df9643053eda01f169e64a0e60233aacca83799a
with:
task-definition: ${{ steps.task-def.outputs.task-definition }}
service: ${{ env.ECS_SERVICE }}
cluster: ${{ env.ECS_CLUSTER }}
wait-for-service-stability: true
Additional resources
For the original starter workflow, see aws.yml
in the GitHub Actions starter-workflows
repository.
For more information on the services used in these examples, see the following documentation:
- "Security best practices in IAM" in the Amazon AWS documentation.
- Official AWS "Configure AWS Credentials" action.
- Official AWS Amazon ECR "Login" action.
- Official AWS Amazon ECS "Render Task Definition" action.
- Official AWS Amazon ECS "Deploy Task Definition" action.