github.sha

    - name: Login to Amazon ECR
      id: login-ecr
      uses: aws-actions/amazon-ecr-login@v1

#    - 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:$IMAGE_TAG
#        echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" >> $GITHUB_OUTPUT

See also

• GitHub Actions variables
• GitHub Actions, act, .github/workflows/, ~/actions-runner/, svc.sh, run:, deploy:, runs-on:, uses:, steps:, jobs:, on:, env:, uses:, script:, continue-on-error:, template:, aws-actions, inputs:, GITHUB_ENV, needs:, github., GitHub runner, my-docker-publish.yml, GitHub Actions variables, GitHub Actions contexts, GitHub Actions Importer, If:, SLSA