docker.yml

name: Docker

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

env:
  IMAGE_NAME: rmehta3/imsearch

jobs:
  # Push image to GitHub Package Registry.
  # See also https://docs.docker.com/docker-hub/builds/
  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      - uses: actions/checkout@v2

      - name: Build image
        run: docker build . --file Dockerfile --tag image

      - name: Log into registry
        run: echo ${{ secrets.DOCKER_PASSWORD}} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin

      - name: Push image
        run: |
          IMAGE_ID=$IMAGE_NAME

          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

          # Use Docker `latest` tag convention
          [ "$VERSION" == "master" ] && VERSION=latest

          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION

          docker tag image $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION