通过nginx代理的Docker环境导致502 Bad Gateway

我正在使用nginx-proxy将子域连接到不同的docker服务.由于最后一次图像更新,我无法再连接到我的gitlab实例.我不知道nginx-proxy或gitlab更新是否导致了这个问题.当我尝试连接到gitlab.mydomain.com时,我收到以下错误:

>浏览器:502 Bad Gateway. nginx的/ 1.13.3
> nginx-proxy日志:

nginx-proxy_1 | nginx.1 | 2017/08/14 11:44:10 [错误] 39#39:* 1672 connect()失败(111:连接被拒绝)连接上游,客户端:178.201.120.94,服务器:gitlab.mydomain.com,请求: “GET / HTTP / 2.0”,上游:“https://172.18.0.2:443/”,主持人:“gitlab.mydomain.com”

nginx-proxy_1 | nginx.1 | gitlab.mydomain.com 178.201.120.94 – – [14 / Aug / 2017:11:44:10 0000]“GET / HTTP / 2.0”502 575“ – ”“Mozilla / 5.0(Windows NT 10.0; Win64; x64)AppleWebKit /537.36(KHTML,与Gecko一样)Chrome / 60.0.3112.90 Safari / 537.36“

nginx-proxy_1 | nginx.1 | 2017/08/14 11:44:11 [错误] 39#39:* 1672 connect()失败(111:连接被拒绝)连接上游,客户端:178.201.120.94,服务器:gitlab.mydomain.com,请求: “GET /favicon.ico HTTP / 2.0”,上游:“https://172.18.0.2:443/favicon.ico”,主持人:“gitlab.mydomain.com”,推荐人:“https://gitlab.***.com /”

我的docker-compose文件:

version: '2'

services:
   nginx-proxy:
     image: jwilder/nginx-proxy
     ports:
     - "80:80"
     - "443:443"
     volumes:
     - /var/local/nginx/certs:/etc/nginx/certs
     - /etc/letsencrypt:/etc/letsencrypt
     - /var/run/docker.sock:/tmp/docker.sock:ro

   gitlab:
     image: gitlab/gitlab-ce:latest
     ports:
     - "2222:22"
     hostname: 'gitlab.***.com'
     expose:
     - 443
     - 22
     - 80
     - 25
     environment:
     - "VIRTUAL_HOST=gitlab.***.com,www.gitlab.***.com"
     - "VIRTUAL_PORT=443"
     - "VIRTUAL_PROTO=https"
     volumes:
     - "gitlab-config:/etc/gitlab"
     - "gitlab-log:/var/log/gitlab"
     - "gitlab-data:/var/opt/gitlab"
     - "/etc/letsencrypt:/etc/letsencrypt"

有什么想法吗?谢谢.
编辑:
来自docker的网络设置检查gitlab:

    "NetworkSettings": {
        "Bridge": "",
        "SandboxID": "...",
        "HairpinMode": false,
        "LinkLocalIPv6Address": "",
        "LinkLocalIPv6PrefixLen": 0,
        "Ports": {
            "22/tcp": [
                {
                    "HostIp": "0.0.0.0",
                    "HostPort": "2222"
                }
            ],
            "25/tcp": null,
            "443/tcp": null,
            "80/tcp": null
        },
        "SandboxKey": "/var/run/docker/netns/...",
        "SecondaryIPAddresses": null,
        "SecondaryIPv6Addresses": null,
        "EndpointID": "",
        "Gateway": "",
        "GlobalIPv6Address": "",
        "GlobalIPv6PrefixLen": 0,
        "IPAddress": "",
        "IPPrefixLen": 0,
        "IPv6Gateway": "",
        "MacAddress": "",
        "Networks": {
            "docker_default": {
                "IPAMConfig": null,
                "Links": null,
                "Aliases": [
                    "abb170528bcc",
                    "gitlab"
                ],
                "NetworkID": "...",
                "EndpointID": "...",
                "Gateway": "172.18.0.1",
                "IPAddress": "172.18.0.2",
                "IPPrefixLen": 16,
                "IPv6Gateway": "",
                "GlobalIPv6Address": "",
                "GlobalIPv6PrefixLen": 0,
                "MacAddress": "02:42:ac:12:00:02"
            }
        }
    }
最佳答案
这个设置对我有用,也许你可以比较一下,发现,出了什么问题:

https://superuser.com/a/1242682/762931

也许是这样的:
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1307

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