dockerfile support multiarch(amd64,arm64) (#83)

Signed-off-by: liheng.zms <liheng.zms@alibaba-inc.com>

Signed-off-by: liheng.zms <liheng.zms@alibaba-inc.com>

Dockerfile_multiarch

@@ -0,0 +1,26 @@
+# Build the manager binary
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
+
+WORKDIR /workspace
+
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+
+# Copy the go source
+COPY main.go main.go
+COPY api/ api/
+COPY pkg/ pkg/
+
+# Build
+ARG TARGETOS TARGETARCH
+RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o 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
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["/manager"]

Makefile

@@ -1,6 +1,8 @@
 
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
+# Platforms to build the image for
+PLATFORMS ?= linux/amd64,linux/arm64
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -68,6 +70,9 @@ docker-build: ## Build docker image with the manager.
 docker-push: ## Push docker image with the manager.
 	docker push ${IMG}
 
+# Build and push the multiarchitecture docker images and manifest.
+docker-multiarch:
+	docker buildx build -f ./Dockerfile_multiarch --pull --no-cache --platform=$(PLATFORMS) --push . -t $(IMG)
 ##@ Deployment
 
 install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.

docs/tutorials/basic_usage.md

@@ -31,7 +31,7 @@ spec:
       containers:
       - name: echoserver
          # mac m1 should choics image can support arm64,such as image e2eteam/echoserver:2.2-linux-arm64
-        image: cilium/echoserver:1.10.2 
+        image: cilium/echoserver:1.10.2
         imagePullPolicy: IfNotPresent
         ports:
         - containerPort: 8080
@@ -107,9 +107,7 @@ spec:
       trafficRoutings:
         # echoserver service name
       - service: echoserver
-        # nginx ingress
-        type: nginx
-        # echoserver ingress name
+        # echoserver ingress name, current only nginx ingress
         ingress:
           name: echoserver
 ```