publish-image.yml

name: Publish to DockerHub

on:
  push:
    branches:
      - main
    tags:
      - v*
env:
  REPOSITORY_USER: bilts
  REGISTRY_PREFIX: harmonyservices/
  REPOSITORY_PREFIX: bilts/python- # nasa/harmony-
  # Or specify a full image name not derived from the repo
  # IMAGE_NAME: custom-org/custom-image-name

jobs:
  push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v2
      - name: Build image
        run: docker build . --file Dockerfile --tag "${GITHUB_REPOSITORY}" --label "runnumber=${GITHUB_RUN_ID}"
      - name: Log into registry
        run: echo "${{ secrets.DOCKERHUB }}" | docker login -u "${REPOSITORY_USER}" --password-stdin
      - name: Push image
        run: |
          IMAGE_NAME=${IMAGE_NAME:-$(echo "${GITHUB_REPOSITORY}" | sed "s,^${REPOSITORY_PREFIX},${REGISTRY_PREFIX},g")}

          # For tagged versions, translate e.g. "refs/tags/v1.2.3" -> "1.2.3"
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

          # For the main branch, use "latest" as the version
          [ "$VERSION" == "main" ] && VERSION=latest

          IMAGE_ID="${IMAGE_NAME}:${VERSION}"
          echo "Pushing ${IMAGE_ID}"
          docker tag "${GITHUB_REPOSITORY}" "${IMAGE_ID}"
          docker push "${IMAGE_ID}"