name: "Build Docker image"

on:
  push:
    tags:
      - "v*"

defaults:
  run:
    shell: bash

jobs:
  build-docker:
    name: "🐳 Build and publish Docker image"
    runs-on: ubuntu-latest

    steps:
      - name: "Checkout repository"
        uses: actions/checkout@v2

      - name: "❓ Find the release semantic version"
        id: semver
        uses: Steffo99/actions-semver@v0.3.5
        with:
          string: ${{ github.ref_name }}

      - name: "🔨 Setup Buildx"
        uses: docker/setup-buildx-action@v1

      - name: "🔑 Login to GitHub Containers"
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: "🔽 Find the lowercase name of the repository"
        id: reponame
        uses: ASzc/change-string-case-action@v5
        with:
          string: ${{ github.repository }}

      - name: "🏗 Build and push the Docker image"
        uses: docker/build-push-action@v3
        with:
          tags: >-
            ghcr.io/${{ steps.reponame.outputs.lowercase }}:${{ steps.semver.outputs.precedence }},
            ghcr.io/${{ steps.reponame.outputs.lowercase }}:${{ steps.semver.outputs.core }},
            ghcr.io/${{ steps.reponame.outputs.lowercase }}:${{ steps.semver.outputs.pair }},
            ghcr.io/${{ steps.reponame.outputs.lowercase }}:${{ steps.semver.outputs.major }},
            ghcr.io/${{ steps.reponame.outputs.lowercase }}:latest
          push: true