docker.yml

name: Docker

on:
  push:
    tags:
      - "v*.*.*"
  release:
    types:
      - published
  workflow_dispatch:
    inputs:
      version:
        description: Image tag, for example v0.1.0
        required: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: colvin-y/kubernetes-ontology
  RELEASE_VERSION: ${{ github.event.release.tag_name || (github.ref_type == 'tag' && github.ref_name) || inputs.version }}

jobs:
  publish:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v6

      - uses: docker/setup-qemu-action@v4

      - uses: docker/setup-buildx-action@v4

      - name: Login to GHCR
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Compute image tags
        shell: bash
        run: |
          set -euo pipefail
          if [ -z "${RELEASE_VERSION}" ]; then
            echo "RELEASE_VERSION is required" >&2
            exit 1
          fi
          echo "IMAGE_VERSION=${RELEASE_VERSION#v}" >> "${GITHUB_ENV}"

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.RELEASE_VERSION }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_VERSION }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest