docker - 在 docker swarm 中运行我的 vertx3 http 处理程序时连接被拒绝
问题描述
我正在尝试在 docker swarm 上部署一个 vertx3 服务,但是当我运行时
$ curl localhost:4000
curl: (7) Failed to connect to localhost port 4000: Connection refused
而且我不知道如何使它工作,感谢您的帮助。请参阅下面的代码和更多信息。
这是我的 vertx3 应用程序
import io.vertx.core.AbstractVerticle;
import io.vertx.core.Future;
public class MainVerticle extends AbstractVerticle {
@Override
public void start(Future<Void> fut) {
vertx.createHttpServer().requestHandler(r -> {
r.response().end("<h1>Powered by Vert.x3</h1>");
}).listen(8080, result -> {
if (result.succeeded()) {
fut.complete();
} else {
fut.fail(result.cause());
}
});
}
}
这是我的码头文件
FROM vertx/vertx3
ENV VERTICLE_NAME com.shop.services.products.MainVerticle
ENV VERTICLE_FILE target/products-3.5.1.jar
ENV VERTICLE_HOME /usr/verticles
EXPOSE 8080
COPY $VERTICLE_FILE $VERTICLE_HOME/
WORKDIR $VERTICLE_HOME
ENTRYPOINT ["sh", "-c"]
CMD ["exec vertx run $VERTICLE_NAME -cp $VERTICLE_HOME/*"]
这是我的 docker-compose.yml
version: "3"
services:
web:
image: sergionava89/products:v1
deploy:
replicas: 5
resources:
limits:
cpus: "0.1"
memory: 50M
restart_policy:
condition: on-failure
ports:
- "4000:8080"
networks:
- webnet
networks:
webnet:
我尝试运行本地 docker swarm
docker swarm init
然后我收到这条消息
Error response from daemon: could not choose an IP address to advertise since this system has multiple addresses on interface enp0s25 (2a02:c7d:501a:f200:84fc:532e:737a:7a21 and 2a02:c7d:501a:f200:ad08:5748:44d4:6726) - specify one with --advertise-addr
所以我运行以下
docker swarm init --advertise-addr 2a02:c7d:501a:f200:84fc:532e:737a:7a21
然后启动容器
docker stack deploy -c docker-compose.yml shop
我得到的
Creating network shop_webnet
Creating service shop_web
当我尝试达到终点时,我得到
$ curl localhost:4000
curl: (7) Failed to connect to localhost port 4000: Connection refused
docker服务的输出
docker service ls
ID NAME MODE REPLICAS IMAGE PORTS
sj8k1hd26cbk shop_web replicated 5/5 sergionava89/products:v1 *:4000->8080/tcp
docker service ps shop_web
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR PORTS
sjsoh7atv24x shop_web.1 sergionava89/products:v1 sergio-ThinkPad-T431s Running Running 9 minutes ago
owakk9xqty69 shop_web.2 sergionava89/products:v1 sergio-ThinkPad-T431s Running Running 9 minutes ago
yvlopiq6vtjh shop_web.3 sergionava89/products:v1 sergio-ThinkPad-T431s Running Running 9 minutes ago
op7yv8vuliuk shop_web.4 sergionava89/products:v1 sergio-ThinkPad-T431s Running Running 9 minutes ago
z8imj3b572tg shop_web.5 sergionava89/products:v1 sergio-ThinkPad-T431s Running Running 9 minutes ago
解决方案
正如评论中所建议的 127.0.0.1:4000 作品
推荐阅读
- testing - Jest + puppeteer 最佳架构实践
- python - 为什么我会使用 PIL 获得颜色量化伪影?
- graphql - GraphQL 突变 - 为 Apollo 客户端设计 gql 标签的混淆
- reactjs - 反应相互依赖的道具类型
- java - Spring ResponseEntity 的问题 REST 响应
使用 JDK 11 - angular - Angular 9 - 找不到组件工厂
- aws-lambda - 如何在无服务器 lambda 中为 Typeorm 使用装饰器?
- python - 检查窗口是否在后台 Tkinter
- typescript - 将带有 getter 和下划线私有属性的 Typescript 类转换为 Object
- c++ - C ++如何使用应用程序存储大型二进制查找表?