当我在 docker 容器中运行我的 API 网关时,它无法找到我在 eureka 中注册的服务。
API 网关
-- 豹猫.json
{
"ReRoutes": [
{
"DownstreamPathTemplate": "/api/values",
"DownstreamScheme": "http",
"UseServiceDiscovery": true,
"ServiceName": "sampleservice",
"UpstreamPathTemplate": "/sample-api/{catchAll}"
}
],
"GlobalConfiguration": {
"UseServiceDiscovery": true,
"ServiceDiscoveryProvider": {
"Type": "Eureka",
"Host": "myeurekaserver",
"Port": "8761"
}
}
}
-- API 网关的 appsettings.json
{
"eureka": {
"client": {
"shouldRegisterWithEureka": false,
"serviceUrl": "http://myeurekaserver:8761/eureka/",
"ValidateCertificates": false
},
"instance": {
"appName": "gateway",
"hostName": "myeurekaserver",
"port": "7000"
}
}
}
服务配置 --appsettings.json
{
"eureka": {
"client": {
"shouldRegisterWithEureka": true,
"serviceUrl": "http://myeurekaserver:8761/eureka/",
"ValidateCertificates": false
},
"instance": {
"appName": "sampleservice",
"hostName": "myeurekaserver",
"port": "7001"
}
}
}
码头工人-compose.yml
version: '3.4'
services:
sampleapi:
image: ${DOCKER_REGISTRY-}sampleapi
ports:
- "7001:80"
networks:
- ecnetwork
build:
context: .
dockerfile: SampleAPI/Dockerfile
gateway:
image: ${DOCKER_REGISTRY-}gateway
ports:
- "7000:80"
networks:
- ecnetwork
build:
context: .
dockerfile: Gateway/Dockerfile
myeurekaserver:
image: ${DOCKER_REGISTRY-}myeurekaserver
ports:
- "8761:8761"
networks:
- ecnetwork
build:
context: .
dockerfile: MyEurekaServer/Dockerfile
networks:
ecnetwork:
external: true
当我运行命令 docker-compose up 并检查http://localhost:8761/时,我发现我的服务已在 eureka 服务器中注册,但我运行http://localhost:7000/sample-api/order
它返回
localhost 当前无法处理此请求。HTTP 错误 500
我检查了我的控制台窗口,然后 API 网关能够发现服务,这是日志。
gateway_1 | dbug: Steeltoe.Discovery.Eureka.DiscoveryClient[0]
gateway_1 | FetchRegistryDelta returned: OK
gateway_1 | dbug: Steeltoe.Discovery.Eureka.DiscoveryClient[0]
gateway_1 | FetchRegistry succeeded