release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "New version, for example 0.1.1"
        required: true
        type: string

permissions:
  contents: write
  packages: write

jobs:
  release:
    name: Create release and publish Docker image
    runs-on: ubuntu-latest

    steps:
      - name: Checkout main
        uses: actions/checkout@v5
        with:
          ref: main
          fetch-depth: 0

      - name: Normalize and validate version
        id: version
        shell: bash
        run: |
          VERSION="${{ inputs.version }}"
          VERSION="${VERSION#v}"

          if ! echo "$VERSION" | grep -Eq '^[0-9]+\.[0-9]+\.[0-9]+$'; then
            echo "Invalid version: $VERSION"
            echo "Use semantic versioning, for example: 0.1.1"
            exit 1
          fi

          TAG="v$VERSION"

          git fetch --tags

          if git rev-parse "refs/tags/$TAG" >/dev/null 2>&1; then
            echo "Tag $TAG already exists"
            exit 1
          fi

          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      - name: Update boot/version
        shell: bash
        run: |
          echo "${{ steps.version.outputs.version }}" > boot/version

      - name: Commit version change
        shell: bash
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"

          git add boot/version

          if git diff --cached --quiet; then
            echo "boot/version already contains ${{ steps.version.outputs.version }}"
            exit 1
          fi

          git commit -m "Release ${{ steps.version.outputs.tag }} [skip ci]"
          git push origin main

      - name: Create and push tag
        shell: bash
        run: |
          git tag -a "${{ steps.version.outputs.tag }}" -m "Release ${{ steps.version.outputs.tag }}"
          git push origin "${{ steps.version.outputs.tag }}"

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        shell: bash
        run: |
          gh release create "${{ steps.version.outputs.tag }}" \
            --title "${{ steps.version.outputs.tag }}" \
            --notes "Release ${{ steps.version.outputs.tag }}"

      - name: Set Docker image name
        id: image
        shell: bash
        run: |
          echo "image=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/tp2intervals" >> "$GITHUB_OUTPUT"

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Build and push Docker image
        uses: docker/build-push-action@v7
        with:
          context: .
          push: true
          tags: |
            ${{ steps.image.outputs.image }}:${{ steps.version.outputs.version }}
            ${{ steps.image.outputs.image }}:latest