release.yml

name: Release

on:
  pull_request:
    types:
      - closed
  workflow_dispatch:

jobs:
  release:
    if: |
      (github.event.pull_request.merged == true &&
      github.event.pull_request.base.ref == 'master') ||
      github.actor == 'janjaali'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Get version
        run: |
          VERSION=$(cat ./version)
          echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV

      - uses: bbonkr/git-tag-check-action@v1.0.18
        id: validateTag
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          tag: v${{ env.RELEASE_VERSION }}

      - name: Fail if version tag already exists
        if: ${{ steps.validateTag.outputs.tag != '' }}
        run: exit 1

      - name: Push version tag to repository
        id: tag_version
        uses: mathieudutour/github-tag-action@v6.1
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          custom_tag: ${{ env.RELEASE_VERSION }}
          create_annotated_tag: true
          tag_prefix: v

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v4
        with:
          push: true
          tags: ghashange/sendgrid-mock:${{ env.RELEASE_VERSION }}