我试图让docker-compose运行NGINX反向代理,我遇到了一个问题。我知道我正在尝试的内容似乎可能如下所示:
https://dev.to/domysee/setting-up-a-reverse-proxy-with-nginx-and-docker-compose-29jg
和这里:
我的应用程序非常简单 - 它有一个前端和后端(nextjs和nodejs),我把它放在docker-compose和nginx实例中。
这是docker-compose文件:
version: '3'
services:
nodejs:
build:
context: .
dockerfile: Dockerfile
ports:
- "8000:8000"
container_name: nodejs
restart: unless-stopped
nextjs:
build:
context: ../.
dockerfile: Dockerfile
ports:
- "3000:3000"
container_name: nextjs
restart: unless-stopped
webserver:
image: nginx:mainline-alpine
container_name: webserver
restart: unless-stopped
ports:
- "80:80"
volumes:
- web-root:/var/www/html
- ./nginx-conf:/etc/nginx/conf.d
depends_on:
- nodejs
- nextjs
networks:
- app-network
volumes:
certbot-etc:
certbot-var:
web-root:
driver: local
driver_opts:
type: none
device: /
o: bind
networks:
app-network:
driver: bridge
这是nginx文件:
server {
listen 80;
listen [::]:80;
root /var/www/html;
index index.html index.htm index.nginx-debian.html;
server_name patientplatypus.com www.patientplatypus.com localhost;
location /back {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_set_header X-NginX-Proxy true;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_pass http://nodejs:8000;
}
location / {
proxy_pass http://nextjs:3000;
}
location ~ /.well-known/acme-challenge {
allow all;
root /var/www/html;
}
}
这两者都与digitalOcean示例非常相似,我无法想象它们如何与足以导致错误的不同。我用一个简单的docker-compose up -d --build
运行它。
当我去localhost:80
我得到page could not be found
,这是我的码头日志的结果 -
patientplatypus:~/Documents/patientplatypus.com/forum/back:10:03:32$docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9c2e4e25e6d9 nginx:mainline-alpine "nginx -g 'daemon of…" 2 minutes ago Restarting (1) 14 seconds ago webserver
213e73495381 back_nodejs "/docker-entrypoint.…" 2 minutes ago Up 2 minutes 0.0.0.0:8000->8000/tcp nodejs
03b6ae8f0ad4 back_nextjs "npm start" 2 minutes ago Up 2 minutes 0.0.0.0:3000->3000/tcp nextjs
patientplatypus:~/Documents/patientplatypus.com/forum/back:10:05:41$docker logs 9c2e4e25e6d9
2019/04/10 15:03:32 [emerg] 1#1: host not found in upstream "nodejs" in /etc/nginx/conf.d/nginx.conf:20
我很遗憾可能会出现什么问题。如果有人有任何想法,请告诉我。谢谢。
编辑:见下面的解决方案
nginx
网络服务器位于网络app-network
上,这是一个与其他两个没有网络定义的服务不同的网络。如果没有定义网络,docker-compose将创建一个默认网络供他们共享。
将网络设置复制到其他两个服务,或从Web服务器服务中删除网络设置。