oci-image.yml

---
name: Build

on:
  push:
    paths:
      - .github/workflows/oci-image.yml
      - Dockerfile
      - cgit-pkg/**
      - rootfs/**
    branches:
      - main

env:
  IMAGE_NAME: ghcr.io/kriansa/gitty
  ALPINE_VERSION: latest
  S6_VERSION: v2.2.0.3

jobs:
  build-and-push-image:
    name: Build and push the Docker image application
    runs-on: ubuntu-latest
    steps:
      - name: Set image tags
        id: image_tags
        run: |
          TAGS="${IMAGE_NAME}:latest,${IMAGE_NAME}:sha-${GITHUB_SHA::8}"
          echo ::set-output name=tags::${TAGS}

      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push container image
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ steps.image_tags.outputs.tags }}
          build-args: |
            ALPINE_VERSION=${{ env.ALPINE_VERSION }}
            S6_VERSION=${{ env.S6_VERSION }}