deploy.yml

name: Manual Deploy to VPS

on:
  workflow_dispatch:
    inputs:
      source_branch:
        description: 'Branch do wypuszczenia (np. develop, fix/typo)'
        required: true
        default: 'develop'

permissions:
  contents: write
  pull-requests: read

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Setup SSH for GitHub and VPS
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan github.com >> ~/.ssh/known_hosts
          ssh-keyscan ${{ secrets.VPS_HOST }} >> ~/.ssh/known_hosts

      - name: Checkout source branch via SSH
        uses: actions/checkout@v3
        with:
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
          repository: opendexcom/formul.ai
          ref: ${{ github.event.inputs.source_branch }}
          fetch-depth: 0  # umożliwia fetch tagów później

      - name: Fetch tags
        run: git fetch --tags

      - name: Determine next version
        id: version
        run: |
          LATEST_TAG=$(git tag --sort=-v:refname | grep '^0\.' | head -n 1)
          echo "Latest tag: $LATEST_TAG"

          if [ -z "$LATEST_TAG" ]; then
            MAJOR=0
            MINOR=1
            PATCH=0
          else
            IFS='.' read -r MAJOR MINOR PATCH <<< "$LATEST_TAG"
            SOURCE_BRANCH="${{ github.event.inputs.source_branch }}"

            if [[ "$SOURCE_BRANCH" == fix/* ]]; then
              PATCH=$((PATCH + 1))
            else
              MINOR=$((MINOR + 1))
              PATCH=0
            fi
          fi

          NEXT_VERSION="0.$MINOR.$PATCH"
          echo "Calculated next version: $NEXT_VERSION"
          echo "next_version=$NEXT_VERSION" >> $GITHUB_OUTPUT

      - name: Checkout main branch
        run: git checkout main

      - name: Merge source branch into main
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@users.noreply.github.com"
          echo "merge origin/${{ github.event.inputs.source_branch }}"
          git merge origin/${{ github.event.inputs.source_branch }} --no-ff -m "Merge ${{ github.event.inputs.source_branch }} into main"

      - name: Push main with merge
        run: git push origin main

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

      - name: Create GitHub Release with autogenerated notes
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.version.outputs.next_version }}
          name: Release ${{ steps.version.outputs.next_version }}
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}

      - name: Deploy to VPS
        run: |
          ssh ${{ secrets.VPS_USER }}@${{ secrets.VPS_HOST }} << 'EOF'
            cd /home/deploy/myapp
            git pull origin main
            docker compose up -d --build
            docker image prune -f
          EOF