springcloud之eureka服务端搭建(单机环境)

环境：idea2018，springboot_2.3.3，springcloud_Hoxton.SR7

springcloud版本对应的springboot版本：https://start.spring.io/actuator/info

{
	"git": {
		"branch": "72506972926758dc1808eaa450281274ee85459a",
		"commit": {
			"id": "7250697",
			"time": "2020-08-17T15:37:11Z"
		}
	},
	"build": {
		"version": "0.0.1-SNAPSHOT",
		"artifact": "start-site",
		"versions": {
			"spring-boot": "2.3.3.RELEASE",
			"initializr": "0.9.2-SNAPSHOT"
		},
		"name": "start.spring.io website",
		"time": "2020-08-17T15:38:19.523Z",
		"group": "io.spring.start"
	},
	"bom-ranges": {
		"azure": {
			"2.0.10": "Spring Boot >=2.0.0.RELEASE and <2.1.0.RELEASE",
			"2.1.10": "Spring Boot >=2.1.0.RELEASE and <2.2.0.M1",
			"2.2.4": "Spring Boot >=2.2.0.M1 and <2.3.0.M1",
			"2.3.1": "Spring Boot >=2.3.0.M1"
		},
		"codecentric-spring-boot-admin": {
			"2.0.6": "Spring Boot >=2.0.0.M1 and <2.1.0.M1",
			"2.1.6": "Spring Boot >=2.1.0.M1 and <2.2.0.M1",
			"2.2.4": "Spring Boot >=2.2.0.M1 and <2.3.0.M1",
			"2.3.0": "Spring Boot >=2.3.0.M1 and <2.4.0-M1"
		},
		"solace-spring-boot": {
			"1.0.0": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1",
			"1.1.0": "Spring Boot >=2.3.0.M1"
		},
		"solace-spring-cloud": {
			"1.0.0": "Spring Boot >=2.2.0.RELEASE and <2.3.0.M1",
			"1.1.1": "Spring Boot >=2.3.0.M1"
		},
		"spring-cloud": {
			"Finchley.M2": "Spring Boot >=2.0.0.M3 and <2.0.0.M5",
			"Finchley.M3": "Spring Boot >=2.0.0.M5 and <=2.0.0.M5",
			"Finchley.M4": "Spring Boot >=2.0.0.M6 and <=2.0.0.M6",
			"Finchley.M5": "Spring Boot >=2.0.0.M7 and <=2.0.0.M7",
			"Finchley.M6": "Spring Boot >=2.0.0.RC1 and <=2.0.0.RC1",
			"Finchley.M7": "Spring Boot >=2.0.0.RC2 and <=2.0.0.RC2",
			"Finchley.M9": "Spring Boot >=2.0.0.RELEASE and <=2.0.0.RELEASE",
			"Finchley.RC1": "Spring Boot >=2.0.1.RELEASE and <2.0.2.RELEASE",
			"Finchley.RC2": "Spring Boot >=2.0.2.RELEASE and <2.0.3.RELEASE",
			"Finchley.SR4": "Spring Boot >=2.0.3.RELEASE and <2.0.999.BUILD-SNAPSHOT",
			"Finchley.BUILD-SNAPSHOT": "Spring Boot >=2.0.999.BUILD-SNAPSHOT and <2.1.0.M3",
			"Greenwich.M1": "Spring Boot >=2.1.0.M3 and <2.1.0.RELEASE",
			"Greenwich.SR6": "Spring Boot >=2.1.0.RELEASE and <2.1.17.BUILD-SNAPSHOT",
			"Greenwich.BUILD-SNAPSHOT": "Spring Boot >=2.1.17.BUILD-SNAPSHOT and <2.2.0.M4",
			"Hoxton.SR7": "Spring Boot >=2.2.0.M4 and <2.3.4.BUILD-SNAPSHOT",
			"Hoxton.BUILD-SNAPSHOT": "Spring Boot >=2.3.4.BUILD-SNAPSHOT and <2.4.0.M1",