build.yaml

name: Build and push Docker image

on:
  push:
    branches:
      - main
      - build-workflow # todo remove before merge
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get full image name
        id: base_image_name
        env:
          BASE_IMAGE_NAME: ${{ github.repository }}
          REGISTRY: ghcr.io
        run: |
          if [[ $GITHUB_REF == refs/heads/main ]]; then
            echo "image_name=${REGISTRY}/${BASE_IMAGE_NAME}" >> $GITHUB_OUTPUT
          else
            echo "image_name=${REGISTRY}/${BASE_IMAGE_NAME}/staging" >> $GITHUB_OUTPUT
          fi

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.base_image_name.outputs.image_name }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value={{sha}}-{{date 'X'}},enable=${{ startsWith(github.ref, 'refs/heads') }}
            type=semver,pattern={{version}},prefix=v
            type=semver,pattern={{major}}.{{minor}},prefix=v

      - name: Build and push image
        uses: docker/build-push-action@v5
        with:
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: true