"来自服务器"的空回复尝试在运行docker-toolbox

时间:2016-09-08 21:00:56

标签: node.js go docker docker-machine docker-toolbox

我在使用docker-machine内的docker-compose访问反应容器时遇到问题。我可以卷曲容器内的网页,但我无法在docker-machine(或主机的浏览器)中访问它。可以从docker-machine和主机的浏览器访问后端Golang容器(如片段中所示,它返回 404 not found )。

在docker-compose日志中,一切似乎都在顺利运行,webpack-dev-server按预期运行,我无法从容器外部访问它。

我正在使用docker toolbox for windows。

最好用一些片段来描述问题。

Docker-compose文件:

version: '2'
services:
    postgres:
        image: postgres
        environment:
            - POSTGRES_PASSWORD=postgres
    server:
        build: ./server
        command: gin
        volumes:
            - ./server:/go/src/app
        ports:
            - "8080:3000"
        environment:
            - POSTGRES_PASSWORD=postgres
    client:
        build: ./client
        command: npm start
        volumes:
            - ./client:/usr/src/app
            # mount node_modules as a workaround for it disappearing
            # after adding /client as a mounted folder
            - /usr/src/app/node_modules
        ports:
            - "9000:3000"

节点容器的Dockerfile:

FROM node:6.5.0-slim

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

COPY package.json /usr/src/app/
ENV NODE_ENV development
RUN npm install

在docker-machine中输出以下命令(默认值):

  

docker @ default:〜$ sudo iptables -t nat -L -n

Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
DOCKER     all  --  0.0.0.0/0            0.0.0.0/0            ADDRTYPE match dst-type LOCAL

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
DOCKER     all  --  0.0.0.0/0           !127.0.0.0/8          ADDRTYPE match dst-type LOCAL

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  all  --  172.17.0.0/16        0.0.0.0/0
MASQUERADE  all  --  172.19.0.0/16        0.0.0.0/0
MASQUERADE  all  --  172.18.0.0/16        0.0.0.0/0
MASQUERADE  tcp  --  172.19.0.2           172.19.0.2           tcp dpt:3000
MASQUERADE  tcp  --  172.19.0.3           172.19.0.3           tcp dpt:3000

Chain DOCKER (2 references)
target     prot opt source               destination
RETURN     all  --  0.0.0.0/0            0.0.0.0/0
RETURN     all  --  0.0.0.0/0            0.0.0.0/0
RETURN     all  --  0.0.0.0/0            0.0.0.0/0
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:8080 to:172.19.0.2:3000
DNAT       tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:9000 to:172.19.0.3:3000

以下是主要问题:

  

docker @ default:〜$ curl 0.0.0.0:9000

curl: (52) Empty reply from server
  

docker @ default:〜$ curl 0.0.0.0:8080

404 page not found
  

docker @ default:〜$ docker ps

CONTAINER ID        IMAGE                COMMAND                  CREATED             STATUS              PORTS
           NAMES
f93fd1833de2        goreacttodo_client   "npm start"              32 minutes ago      Up 5 minutes        0.0.0.0:9000->
3000/tcp   goreacttodo_client_1
ff1fa9c33b05        postgres             "/docker-entrypoint.s"   3 days ago          Up 5 minutes        5432/tcp
           goreacttodo_postgres_1
e4581f8e368b        goreacttodo_server   "gin"                    3 days ago          Up 5 minutes        0.0.0.0:8080->
3000/tcp   goreacttodo_server_1

在节点容器中输出以下命令:

  

root @ f93fd1833de2:/ usr / src / app#curl localhost:3000

<!doctype html>
<html>
<head>
</head>
<body lang="en">
<div id="react-app"></div>
<script src="/bundle.js" type="text/javascript"></script>
</body></html>

任何帮助都会有很大的帮助。

1 个答案:

答案 0 :(得分:10)

默认情况下,Webpack开发服务器仅侦听localhost。

如果要在Docker容器之外公开它的端口,则需要明确指定要侦听的主机:

  

webpack-dev-server --host 0.0.0.0 --port 80