docker-build.yaml

---
name: image-builder

on:
  push:
    branches: ['*']
  pull_request:
    branches: ['*']

jobs:
  docker-build:
    name: docker-build
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        go: ["1.18"]
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go }}

      - uses: actions/checkout@v2

      # 'test' is a sub-target of 'docker-build' and so cache go build & mod
      - id: go-cache-paths
        run: |
          echo "::set-output name=go-build::$(go env GOCACHE)"
          echo "::set-output name=go-mod::$(go env GOMODCACHE)"

      - name: Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go-cache-paths.outputs.go-build }}
          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}

      - name: Go Mod Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go-cache-paths.outputs.go-mod }}
          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}

      - name: Build operator docker image
        run: make docker-build-combined