👷‍♂️ Basic GHA flow.

No integration tests yet.

Author: coderanger

.github/workflows/main.yml

@@ -0,0 +1,87 @@
+name: main
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.33
+          args: --timeout=5m
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    # TODO Set up Kind for integration tests.
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+      - name: Install Kubebuilder
+        id: install-kubebuilder
+        run: |
+          os=$(go env GOOS)
+          arch=$(go env GOARCH)
+          curl -L https://go.kubebuilder.io/dl/2.3.1/${os}/${arch} | tar -xz -C /tmp/
+          sudo mv /tmp/kubebuilder_2.3.1_${os}_${arch} /usr/local/kubebuilder
+      - run: make test
+
+  build:
+    name: Container Build
+    runs-on: ubuntu-latest
+    needs:
+    - test
+    - lint
+    if: github.event_name != 'pull_request'
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Docker Prep
+      id: prep
+      run: |
+        DOCKER_IMAGE=ghcr.io/coderanger/migrations-operator
+        VERSION=edge
+        if [[ $GITHUB_REF == refs/tags/* ]]; then
+          VERSION=${GITHUB_REF#refs/tags/}
+        elif [[ $GITHUB_REF == refs/heads/* ]]; then
+          VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
+        elif [[ $GITHUB_REF == refs/pull/* ]]; then
+          VERSION=pr-${{ github.event.number }}
+        fi
+        TAGS="${DOCKER_IMAGE}:${VERSION}"
+        if [ "${{ github.event_name }}" = "push" ]; then
+          TAGS="$TAGS,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
+        fi
+        echo ::set-output name=version::${VERSION}
+        echo ::set-output name=tags::${TAGS}
+        echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+    - 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.GHCR_PAT }}
+    - name: Build and push
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        push: true
+        tags: ${{ steps.prep.outputs.tags }}
+        labels: |
+          org.opencontainers.image.source=${{ github.event.repository.html_url }}
+          org.opencontainers.image.created=${{ steps.prep.outputs.created }}
+          org.opencontainers.image.revision=${{ github.sha }}