[英]How to get traefik to redirect to specific non-docker port from inside docker
首先,如果我没有使用正确的术语来问这个问题,我很抱歉,但我不适合现有的术语。
我在 docker 容器中运行 traefik 并使用 PathPrefix 选项提供一些服务,例如,www.myserver.com/wordpress 重定向到运行 wordpress 的 docker 容器。
但是如何让它重定向到 docker 容器之外呢? 具体来说,我如何让 www.myserver.com 重定向到我机器中的端口 8080 以提供我在主机操作系统中运行的服务(而不是在 docker 容器中)?
这是我的traefik.toml
:
logLevel = "DEBUG"
defaultEntryPoints = ["http", "https"]
[entryPoints]
[entryPoints.http]
address = ":80"
compress = false
[entryPoints.http.redirect]
entryPoint = "https"
[entryPoints.https]
address = ":443"
[entryPoints.https.tls]
[acme]
email = "mymail@mail.com"
storage = "acme.json"
entryPoint = "https"
onHostRule = true
#onDemand = true
[[acme.domains]]
main = "www.myserver.com"
[web]
address = ":8888"
[docker]
endpoint = "unix:///var/run/docker.sock"
domain = "www.myserver.com"
watch = true
exposedbydefault = false
我docker-compose.yml
用于 traefik 容器:
version: "2"
services:
traefik:
image: traefik
network_mode: "host"
ports:
- "80:80"
- "443:443"
- "8888:8888"
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- ${SERVER_DIR}/AppData/traefik:/etc/traefik/
- ${PWD}/acme.json:/acme.json
- ${PWD}/traefik.toml:/etc/traefik/traefik.toml
- ${PWD}/servers.toml:/etc/traefik/servers.toml
restart: never
使用新的 Traefik (v.2),您需要使用标签和外部文件的组合,您可以在我的工作示例下方找到。
在您的 docker compose 中,您需要添加命令来定义外部文件并启用提供程序
- "--providers.file=true"
- "--providers.file.filename=/etc/traefik/rules.toml"
在您的文件 (rules.toml) 中,将路由转发到您的外部服务(注意语法,使用字符来定义主机(`))
例子:
Docker-撰写:
traefik:
image: "traefik:v2.0.0"
container_name: "traefik"
restart: always
command:
- "--api.insecure=true"
- "--providers.docker=true"
- "--providers.docker.exposedbydefault=false"
- "--entrypoints.web.address=:80"
- "--entrypoints.websecure.address=:443"
- "--certificatesresolvers.myhttpchallenge.acme.httpchallenge=true"
- "--certificatesresolvers.myhttpchallenge.acme.httpchallenge.entrypoint=web"
- "--certificatesresolvers.myhttpchallenge.acme.email=xx@xx.com"
- "--providers.file=true"
- "--providers.file.filename=/etc/traefik/rules.toml"
- "--providers.docker=true"
- "--providers.file.watch=true"
ports:
- "80:80"
- "8080:8080"
- "443:443"
networks:
- proxy
environment:
- CF_API_EMAIL="xx"
- CF_API_KEY="xx"
volumes:
- "/var/run/docker.sock:/var/run/docker.sock:ro"
- "./traefik/rules.toml:/etc/traefik/rules.toml"
规则.toml
[http.routers]
# Define a connection between requests and services
[http.routers.nasweb]
rule = "Host(`nas.xxxx.com`)"
entrypoints = ["websecure"]
service = "nas"
[http.routers.nasweb.tls]
certResolver = "myhttpchallenge"
[http.services]
# Define how to reach an existing service on our infrastructure
[http.services.nas.loadBalancer]
[[http.services.nas.loadBalancer.servers]]
url = "http://192.168.0.165:80"
我已经摆弄并找到了答案。
在traefik.toml
添加:
################################################################
# File configuration backend
################################################################
# Enable file configuration backend
# Optional
[file]
filename = "servers.toml"
# Enable watch file changes
watch = true
在docker-compose.yml
将volumes:
更改为:
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- ${SERVER_DIR}/AppData/traefik:/etc/traefik/
- ${PWD}/acme.json:/acme.json
- ${PWD}/traefik.toml:/etc/traefik/traefik.toml
- ${PWD}/servers.toml:/servers.toml
添加文件servers.toml
:
loglevel = "ERROR"
[backends]
[backends.nasweb]
[backends.nasweb.servers.nasweb]
url = "http://192.168.1.11:8080"
[frontends]
[frontends.domain]
backend = "nasweb"
[frontends.domain.routes.domain]
rule = "Host:www.myserver.com"
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