use build tooling for building capabilities component

.github/workflows/experimental-build-using-buildtooling.yaml

@@ -0,0 +1,38 @@
+name: Build using build tooling[Experimental]
+
+on: [pull_request]
+jobs:
+  build:
+    name: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Free some disk space on runner
+        run: |
+          echo "free space before cleanup:"
+          df -h
+          sudo rm -rf /usr/share/dotnet /opt/ghc /usr/local/share/boost /usr/lib/jvm /usr/lib/firefox /opt/microsoft/powershell /opt/hostedtoolcache
+          echo "free space after cleanup:"
+          df -h
+
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.18
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v1
+
+      - name: go cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: run make docker-build-all
+        run: |
+          make docker-build-all -f build-tooling.mk

Dockerfile

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+# Copyright 2023 VMware, Inc. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+# This Dockerfile is currently consumed by build tooling https://github.com/vmware-tanzu/build-tooling-for-integrations
+# to build components in tanzu-framework, check out build-tooling.mk to understand how this is being consumed.
+
+ARG BUILDER_BASE_IMAGE=golang:1.18
+
+FROM --platform=${BUILDPLATFORM} $BUILDER_BASE_IMAGE as base
+ARG COMPONENT
+ARG GOPROXY_ARG
+ENV GOPROXY=${GOPROXY_ARG}
+WORKDIR /workspace
+COPY "$COMPONENT"/go.* ./
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
+
+# Linting
+FROM harbor-repo.vmware.com/dockerhub-proxy-cache/golangci/golangci-lint:v1.50 AS lint-base
+FROM base AS lint
+RUN --mount=target=. \
+    --mount=from=lint-base,src=/usr/bin/golangci-lint,target=/usr/bin/golangci-lint \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/root/.cache/golangci-lint \
+    cd $COMPONENT && golangci-lint run --config /workspace/.golangci.yaml --timeout 10m0s ./...
+
+FROM base AS fmt
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    cd $COMPONENT && go fmt ./...
+
+FROM base AS vet
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    cd $COMPONENT && go vet ./...
+
+# Testing
+FROM base AS test
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    cd $COMPONENT && mkdir /out && go test -v -coverprofile=/out/cover.out ./...
+
+# Build the manager binary
+FROM base as builder
+ARG TARGETOS
+ARG TARGETARCH
+ARG LD_FLAGS
+ENV LD_FLAGS="$LD_FLAGS "'-extldflags "-static"'
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    cd $COMPONENT && CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} GO111MODULE=on go build -o /out/manager ./main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot as image
+WORKDIR /
+COPY --from=builder /out/manager .
+USER nonroot:nonroot
+
+ENTRYPOINT ["/manager"]
+
+FROM scratch AS unit-test-coverage
+COPY --from=test /out/cover.out /cover.out
+
+FROM scratch AS bin-unix
+COPY --from=builder /out/manager /
+
+FROM bin-unix AS bin-linux
+FROM bin-unix AS bin-darwin
+
+FROM scratch AS bin-windows
+COPY --from=builder /out/manager /manager.exe
+
+FROM bin-${TARGETOS} as bin