dockerpublish.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: signal

jobs:
  # Push image to Dockerhub.
  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v2

      - name: Free disk space
        run: |
            sudo swapoff -a
            sudo rm -f /swapfile
            sudo apt clean
            docker rmi $(docker image ls -aq)
            df -h

      - name: Build image
        run: |
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          [ "$VERSION" == "master" ] && VERSION=latest
          docker build . --file resources/Dockerfile_pipeline --tag finlaymaguire/$IMAGE_NAME:$VERSION

      - name: Log into registry
        run: echo "${{ secrets.DOCKERHUB_PASSWORD}}" | docker login -u ${{ secrets.DOCKERHUB_USERNAME}} --password-stdin

      - name: Push image
        run: |
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          [ "$VERSION" == "master" ] && VERSION=latest
          docker push finlaymaguire/$IMAGE_NAME:$VERSION