build-image.yml

name: docker build ec2-price-exporter

env:
  registry: ghcr.io

on:
  push:
    tags:
      - '*'
  workflow_dispatch:
    inputs:
      custom_tag:
        description: 'Tag to build'
        required: true
        type: string

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Get image tags
        id: tag
        run: |
          if [[ ${GITHUB_REF_TYPE} == tag ]]; then
            tag=${GITHUB_REF##*/}
          else
            tag=${{ github.event.inputs.custom_tag }}
          fi
          echo "Tag: ${tag}"
          echo "tag=$tag" >> $GITHUB_OUTPUT

      - name: Check out the repo
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ steps.tag.outputs.tag }}

      - name: Create docker context
        run: |
          docker context create ctx

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        id: buildx
        with:
          endpoint: ctx
          driver-opts: env.BUILDKIT_STEP_LOG_MAX_SIZE=10485760,env.BUILDKIT_STEP_LOG_MAX_SPEED=10485760

      - name: Inspect builder
        run: |
          echo "Name:      ${{ steps.buildx.outputs.name }}"
          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
          echo "Status:    ${{ steps.buildx.outputs.status }}"
          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
          echo "Build tag  ${{ steps.tag.outputs.tag }}"

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.registry }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker images
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ env.registry }}/${{ github.repository }}:${{ steps.tag.outputs.tag }}, ${{ env.registry }}/${{ github.repository }}:latest
          builder: ${{ steps.buildx.outputs.name }}