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Allow building Docker image via script #208

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Allow building Docker image via script #208

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Allow building Docker image via script 
- callers can pass in the optional variable `docker_build_script`
- script should produce a Docker image
- if the script variable is set the default Docker image build step
  isn't executed

See exercism/java-test-runner#147 for context
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@fapdash
fapdash committed Mar 14, 2025
commit a71d92abe46ec3c7a5f103dc0727b57000a057a0
10 changes: 9 additions & 1 deletion .github/workflows/docker-build-push-image.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,10 @@ on:
default: true
required: false
type: boolean
docker_build_script:
description: "Script that produces a Docker image"
required: false
type: string
provenance:
description: "Generate provenance attestation for the build"
default: true
Expand Down Expand Up @@ -95,8 +99,12 @@ jobs:
username: ${{ secrets.AWS_ECR_ACCESS_KEY_ID }}
password: ${{ secrets.AWS_ECR_SECRET_ACCESS_KEY }}

- name: Build Docker image via build script
if: ${{ inputs.docker_build_script && steps.dockerfile-exists.outputs.result == 'true' && (inputs.docker_hub || inputs.aws_ecr)}}
run: ${{ inputs.docker_build_script }}

- name: Build Docker image
if: ${{steps.dockerfile-exists.outputs.result == 'true' && (inputs.docker_hub || inputs.aws_ecr)}}
if: ${{ !inputs.docker_build_script && steps.dockerfile-exists.outputs.result == 'true' && (inputs.docker_hub || inputs.aws_ecr)}}
uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4
with:
context: .
Expand Down