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Use docker metadata-action to get tags and labels #13

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Merged
recmanj merged 1 commit into from
Dec 18, 2025
Merged

Use docker metadata-action to get tags and labels #13

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25 changes: 21 additions & 4 deletions .github/workflows/ecr-publish.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,10 @@ on:
required: true
type: string
IMAGE_TAG:
description: Tag name
required: true
description: "[DEPRECATED: tags are now auto-generated] Tag name"
required: false
type: string
default: ''
AWS_ROLE_ARN:
description: AWS role ARN e.g. arn:aws:iam::1234567890:role/role-name
required: true
Expand All @@ -37,7 +38,8 @@ jobs:
- uses: actions/checkout@v6

- name: Check tag
run: echo ${{ inputs.IMAGE_TAG }}
if: inputs.IMAGE_TAG != ''
run: echo "::warning::IMAGE_TAG input is deprecated and ignored. Tags are now auto-generated."

- name: Configure AWS Credentials
uses: aws-actions/configure-aws-credentials@v5
Expand All @@ -57,6 +59,20 @@ jobs:
- name: Check ECR registry
run: echo ${{ steps.login-ecr-public.outputs.registry }}/${{ inputs.AWS_ECR_ALIAS }}

- name: Docker metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ steps.login-ecr-public.outputs.registry }}/${{ inputs.AWS_ECR_ALIAS }}/${{ inputs.IMAGE_NAME }}
tags: |
# main branch -> "latest"
type=raw,value=latest,enable=${{ github.ref_name == 'main' }}
# versioned tags (v1.0.0) -> "1.0.0" (strip v prefix)
type=semver,pattern={{version}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
# other refs -> ref name as-is
type=ref,event=branch,enable=${{ github.ref_name != 'main' && !startsWith(github.ref, 'refs/tags/') }}
type=ref,event=tag,enable=${{ startsWith(github.ref, 'refs/tags/') && !startsWith(github.ref, 'refs/tags/v') }}

# This will cache Docker layers.
# We could also cache the cache mounts used in the Dockerfile but do not,
# see https://docs.docker.com/build/ci/github-actions/cache/
Expand All @@ -65,7 +81,8 @@ jobs:
with:
context: ${{ inputs.BUILD_CONTEXT }}
push: true
tags: ${{ steps.login-ecr-public.outputs.registry }}/${{ inputs.AWS_ECR_ALIAS }}/${{ inputs.IMAGE_NAME }}:${{ inputs.IMAGE_TAG }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
build-args: |
GIT_REF_NAME=${{ github.ref_name }}
GIT_SHA=${{ github.sha }}
Expand Down