docker-nexus.yaml

name: docker-nexus # This name appears in GitHub's Checks API and in workflow's status badge.

# THIS WORKFLOW:
#   Builds and pushes a Docker image at the current commit.
#   This image is only offered for manual testing/debugging of a given PR/commit.
#   It is not a dependency of any automated process.

on:
  push:
    branches:
      - main
    paths-ignore: # Do not trigger if _only_ these files were changed.
      - .punch_version.py
      - .changelog/*.md
      - CHANGELOG.md
  workflow_dispatch:  # manual; for debugging workflow before merging branch into `main`

jobs:
  build-docker:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          # We need history to determine oasis-indexer version from git tag.
          fetch-depth: '0'
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

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

      - name: Compute version
        # Version oasis-indexer image by date and git revision.
        run: |
          echo "VERSION=$(date +%Y-%m-%d-git$(git rev-parse --short HEAD))" >> $GITHUB_ENV
      - name: Build and push Docker
        uses: docker/build-push-action@v3
        with:
          build-args: |
            VERSION=${{ env.VERSION }}
          context: .
          file: docker/nexus/Dockerfile
          tags: |
            oasislabs/oasis-indexer:latest
            oasislabs/oasis-indexer:latest-${{ env.VERSION }}
          push: true
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.revision=${{ github.sha }}