docker image builder: export variableas to inputs

.github/actions/docker-images/action.yml

@@ -27,6 +27,19 @@ inputs:
  description: 'Docker build cache folder'
  required: false
  default: '/tmp/.docker-images'
+
+ goos:
+ description: 'GOOS environment variable'
+ required: false
+ default: 'linux'
+ goarch:
+ description: 'GOARCH environment variable'
+ required: false
+ default: 'amd64'
+ docker-build-platforms:
+ description: 'Docker build platforms'
+ required: false
+ default: 'linux/amd64'
 runs:
  using: composite
  steps:
@@ -72,13 +85,14 @@ runs:
  cache-to: type=local,mode=max,dest=${{ inputs.docker-build-cache-folder }}-new/cloudbeat
  outputs: type=docker,dest=${{ inputs.docker-images-folder }}/cloudbeat.tar
  no-cache: false
+ platforms: ${{ inputs.docker-build-platforms }}
 
  - if: ${{ inputs.build-docker-images == 'true' }}
  name: Build elastic-agent
  uses: docker/build-push-action@v5
  env:
- GOOS: linux
- GOARCH: amd64
+ GOOS: ${{ inputs.goos }}
+ GOARCH: ${{ inputs.goarch }}
  with:
  context: .
  file: ./scripts/packaging/docker/elastic-agent/Dockerfile
@@ -91,6 +105,7 @@ runs:
  build-args: |
  ELASTIC_AGENT_IMAGE=docker.elastic.co/beats/elastic-agent:${{ inputs.elastic-agent-docker-image-tag }}
  no-cache: false
+ platforms: ${{ inputs.docker-build-platforms }}
 
  - if: ${{ inputs.build-docker-images == 'true' }}
  name: Build pytest-docker
@@ -103,6 +118,7 @@ runs:
  cache-to: type=local,mode=max,dest=${{ inputs.docker-build-cache-folder }}-new/pytest
  outputs: type=docker,dest=${{ inputs.docker-images-folder }}/pytest.tar
  no-cache: false
+ platforms: ${{ inputs.docker-build-platforms }}
 
  - if: ${{ inputs.build-docker-images == 'true' }}
  name: Rotate cache