使用 Traefik 和 Docker Compose 在同一主机但不同的路由上提供 2 个服务

Use Traefik with Docker Compose to serve 2 services on the same host but different routes

我有 2 个前端应用程序,都由 Nginx 在端口 80 提供服务

  1. app-login
  2. app-contacts

我正在尝试使用 Docker Compose 配置 Traefik 以实现此目的:

但问题是:它不适用于我目前所做的。

以下是 2 个 Dockerfile 应用中的 2 个应用和 docker-compose.yml

app-login Docker文件:

# build stage
FROM node:lts-alpine as build-stage

WORKDIR /app

COPY package*.json ./

RUN npm install

COPY . .

RUN npm run build

# production stage
FROM nginx:stable-alpine as production-stage

COPY --from=build-stage /app/dist /usr/share/nginx/html

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]

app-contacts Docker文件:(有点复杂,不过和登录app差不多)

### STAGE 1: Build the AngularJS app ###

FROM node:lts-alpine as build-stage

RUN apk --no-cache add git

WORKDIR /app

COPY package.json /app/

RUN npm install

COPY . .

# Production mode build
RUN npm run build:prod


### STAGE 2: Add Nginx for hosting the AngularJS app ###

FROM nginx:stable-alpine as production-stage

# Removes the default nginx html files
RUN rm -rf /usr/share/nginx/html/*

# Copy the bundle
COPY --from=build-stage /app/dist /usr/share/nginx/html

# Copy the default nginx.conf
COPY --from=build-stage /app/nginx.conf /etc/nginx/conf.d/default.conf

VOLUME ["/usr/share/nginx/html/env"]

EXPOSE 80

# Copy .env file and shell script to container
WORKDIR /usr/share/nginx/html
COPY ./scripts/generate_env.sh .
COPY .env .

# Add bash
RUN apk add --no-cache bash

# Make our shell script executable
RUN chmod +x generate_env.sh

# Start Nginx server
CMD ["/bin/bash", "-c", "/usr/share/nginx/html/generate_env.sh && nginx -g \"daemon off;\""]

docker-compose.yml

version: '3'

services:
  reverse-proxy:
    # The official v2 Traefik docker image
    image: traefik:v2.2
    # Enables the web UI and tells Traefik to listen to docker
    command: --api.insecure=true --providers.docker
    ports:
      # The HTTP port
      - "80:80"
      # The Web UI (enabled by --api.insecure=true)
      - "8080:8080"
    volumes:
      # So that Traefik can listen to the Docker events
      - /var/run/docker.sock:/var/run/docker.sock

  app-login:
    image: app-login
    labels:
      - "traefik.http.routers.app-login.rule=Path(/login)"

  app-contacts:
    image: app-contacts
    labels:
      - "traefik.http.routers.app-contacts.rule==Path(/contacts)"

不知道我哪里做错了。

我搜索了 Google 并且在某处看到人们正在使用此堆栈的 https://www.getambassador.io/,但我也不知道如何配置它。

谢谢。

默认情况下,Traefik 侦听端口 80。您必须将“81:81”替换为“81:80”。在您的网络浏览器中,您必须使用端口 81,它将在 Traefik 容器中映射到 80。

编辑:

您的标签中存在多个语法错误。

  • == 而不是最后一行的 =
  • 路径应该用``
  • 引用

如果您查看 Traefik 仪表板 (http://localhost:8080/),您可以看到路由器状态和配置错误。

根据您当前的配置,NGINX 应该接受路径 /login 和 /contacts 上的请求,而不是默认的 /。您可以使用下面的标签,如果您想在转发到 NGINX 之前删除路径部分(登录名或联系人),那么 2 条附加行很有用,这样您 NGINX 就会默认监听 /.

  app-login:
    image: app-login
    labels:
      - "traefik.http.routers.app-login.rule=PathPrefix(`/login`)"
      - "traefik.http.routers.app-login.middlewares=app-login-stripprefix"
      - "traefik.http.middlewares.app-login-stripprefix.stripprefix.prefixes=/login"

  app-contacts:
    image: app-contacts
    labels:
      - "traefik.http.routers.app-contacts.rule=PathPrefix(`/contacts`)"
      - "traefik.http.routers.app-contacts.middlewares=app-contacts-stripprefix"
      - "traefik.http.middlewares.app-contacts-stripprefix.stripprefix.prefixes=/contacts"

我发现了问题

基于此linkhttps://docs.traefik.io/routing/routers/#rule

Backticks or Quotes?
To set the value of a rule, use backticks ` or escaped double-quotes \".

Single quotes ' are not accepted as values are Golang's String Literals.

所以规则必须是

"traefik.http.routers.app-contacts.rule==Path(`/contacts`)"