docker-pipeline.yml

name: Docker

on:
  push:
    # Publish `master` as Docker `latest` image.
    branches:
      - master

    # Publish `v1.2.3` tags as releases.
    tags:
      - v*

  # Run tests for any PRs.
  pull_request:

env:
  IMAGE_NAME: gravufo/jujubot
  IMAGE_TAG: latest

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build image
        uses: docker/build-push-action@v5

  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Push image
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
          
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}