[Improve]Change base image to apachepulsar/pulsar (apache#1195)

### Motivation
There are related discussion records [here](apache#1037). It is recommended to switch the base image to `apachepulsar/pulsar`.


### Modifications

Change base image to `apachepulsar/pulsar`.

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: ['1.18', '1.19', '1.20', '1.21']
+        go-version: ['1.18', '1.19', '1.20', '1.21.0']
     steps:
       - uses: actions/checkout@v3
       - name: clean docker cache

Dockerfile

@@ -18,14 +18,17 @@
 # Explicit version of Pulsar and Golang images should be
 # set via the Makefile or CLI
 ARG PULSAR_IMAGE=apachepulsar/pulsar:latest
-ARG GOLANG_IMAGE=golang:latest
+FROM $PULSAR_IMAGE
+USER root
+ARG GO_VERSION=1.18
 
-FROM $PULSAR_IMAGE as pulsar
-FROM $GOLANG_IMAGE
+RUN curl -L https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz -o golang.tar.gz && \
+    mkdir -p /pulsar/go && tar -C /pulsar -xzf golang.tar.gz
 
-RUN apt-get update && apt-get install -y openjdk-17-jre ca-certificates
+ENV PATH /pulsar/go/bin:$PATH
+
+RUN apt-get update && apt-get install -y git && apt-get install -y gcc
 
-COPY --from=pulsar /pulsar /pulsar
 
 ### Add pulsar config
 COPY integration-tests/certs /pulsar/certs

Makefile

@@ -21,7 +21,6 @@ IMAGE_NAME = pulsar-client-go-test:latest
 PULSAR_VERSION ?= 3.2.0
 PULSAR_IMAGE = apachepulsar/pulsar:$(PULSAR_VERSION)
 GO_VERSION ?= 1.18
-GOLANG_IMAGE = golang:$(GO_VERSION)
 
 # Golang standard bin directory.
 GOPATH ?= $(shell go env GOPATH)
@@ -39,7 +38,7 @@ bin/golangci-lint:
 	GOBIN=$(shell pwd)/bin go install github.com/golangci/golangci-lint/cmd/[email protected]
 
 container:
-	docker build -t ${IMAGE_NAME} --build-arg GOLANG_IMAGE="${GOLANG_IMAGE}" \
+	docker build -t ${IMAGE_NAME} --build-arg GO_VERSION="${GO_VERSION}" \
 	    --build-arg PULSAR_IMAGE="${PULSAR_IMAGE}" .
 
 test: container

scripts/run-ci.sh

@@ -19,7 +19,8 @@
 
 set -e -x
 
-export GOPATH=/
+export GOPATH=/pulsar/go
+export GOCACHE=/tmp/go-cache
 
 # Install dependencies
 go mod download