Docker nginx:[emerg]在上游未找到主机;后端“;
我正在尝试使用uWSGI和使用Docker nginx:[emerg]在上游未找到主机;后端“;,nginx,flask,docker-compose,Nginx,Flask,Docker Compose,我正在尝试使用uWSGI和使用docker compose的容器来设置flask服务器。我已经在另一台nginx服务器上使用了下面的docker compose.yml文件。问题是nginx容器找不到我的后端flask容器,因此无法对其执行uwsgi\u传递 docker compose.yml: version: '3.1' services: nginx: image: linuxserver/letsencrypt ports: - "80
docker compose
的容器来设置flask服务器。我已经在另一台nginx服务器上使用了下面的docker compose.yml
文件。问题是nginx容器找不到我的后端
flask容器,因此无法对其执行uwsgi\u传递
docker compose.yml
:
version: '3.1'
services:
nginx:
image: linuxserver/letsencrypt
ports:
- "80:80"
- "443:443"
volumes:
- ./data/nginx/nginx.conf:/config/nginx/site-confs/default
- ./data/nginx/uwsgi_params:/config/nginx/uwsgi_params
depends_on:
- backend
networks:
- backend
container_name: nginx
environment:
- PUID=1000
- PGID=1000
- (+ other settings)
backend:
build: ./backend
container_name: flask
restart: always
links:
- db
volumes:
- ./backend:/app
- ./managed:/managed
expose:
- 8080
db:
image: mysql:5.7
container_name: db
restart: always
ports:
- "3306:3306"
volumes:
flask-db:
networks:
backend:
我尝试使用链接
,依赖于
和网络
,但似乎没有任何效果
nginx.conf
:
server {
listen 80;
server_name api.example.com;
server_tokens off;
location / {
return 301 https://$host$request_uri;
}
}
server {
listen 443 ssl;
server_name api.example.com;
server_tokens off;
location / {
include uwsgi_params;
uwsgi_pass backend:8080;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
if ($request_method = 'POST') {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
}
if ($request_method = 'GET') {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
}
}
}
server {
listen 80;
server_name example.com;
server_tokens off;
location / {
return 301 https://$host$request_uri;
}
}
server {
listen 443 ssl;
server_name example.com;
server_tokens off;
location / {
include uwsgi_params;
uwsgi_pass backend:8080;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
}
nginx
容器中的错误为:
nginx: [emerg] host not found in upstream "backend" in /config/nginx/site-confs/default:18
我还应该提到,/data/nginx/uwsgi_params
卷只是uwsgi
命令的列表
如何成功地从
nginx
容器访问后端
容器?您需要设置依赖于docker compose
文件中的属性,如下所示:
nginx:
depends_on:
- backend