name: build & push
description: build & push OCI container images to the Gitea registry

inputs:
  name:
    description: image name
    required: true
  tags:
    description: newline-separated list of tags to tag the image
    required: true
  containerfile:
    description: target container file to build
    required: false
    default: Containerfile

runs:
  using: composite
  steps:
    - shell: bash
      run: |
        repo_url="${{ gitea.event.repository.html_url }}"
        repo_host="${repo_url#https://}"
        repo_host="${repo_host%%/*}"
        docker login --username acti-bot --password ${ACTI_BOT_TOKEN} ${repo_host}
        while IFS= read -r tag; do
          [[ -z "$tag" ]] && continue

          image="${repo_host}/${{ gitea.repository }}/${{ inputs.name }}:$tag"
          docker build -f ${{ inputs.containerfile }} -t $image .
          docker push $image
        done <<< "${{ inputs.tags }}"