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Workflow file for this run

on:
push:
branches:
- main
env:
current_branch: ${{ github.ref }}
job_id: ${{ github.run_number }}
sha: ${{ github.sha }}
GITHUB_SHA_SHORT: ${{ $(echo $GITHUB_SHA | cut -c 1-6) }}

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GitHub Actions / .github/workflows/ci-build.yaml

Invalid workflow file

The workflow is not valid. .github/workflows/ci-build.yaml (Line: 9, Col: 21): Unexpected symbol: '$'. Located at position 1 within expression: $(echo $GITHUB_SHA | cut -c 1-6)
jobs:
build:
name: Build Image
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: git-checkout
run: |
echo "git-checkout done"
- name: create a custom tag
run: |
echo "$GITHUB_SHA_SHORT"
# export IMG_TAG="$sha" | cut -c1-6
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
# - name: Build and push
# uses: docker/build-push-action@v5
# with:
# push: false
# tags: welcome-app:latest, welcome-app:${{ env.sha }}