502 Bad Gateway. Nginx无法使用反向代理与docker-compose连接

shstlldc  于 2023-11-17  发布在  Nginx
关注(0)|答案(2)|浏览(231)

你好，我想马上说的是，我一直在使用docker-compose和nginx没有这么长时间，对不起，如果你会看到一些错误，从我自己的。
我遇到了nginx设置的问题，现在几天都解决不了。我的任务是使用docker-compose连接到我本地comp上的另一个容器。在第一个容器中，我使用反向代理，将我的请求转发到另一个容器，并运行xboxyterlab。但当我连接到xboxyter时，我总是得到**502 Bad Gateway**，但这两个容器运行。也许xboxyter不需要，但是在反向代理中的应用程序
我假设问题出在我的docker-compose网络上，但我使用了不同的方法，但不幸的是，我总是遇到同样的问题
所以我的docker-compose看起来像这样

  1. version: '3.8'
  3. services:
  4.     jupyterlab:
  5.         build:
  6.             ...
  7.         volumes:
  8.             - ...
  9.         ports:
  10.             - "8888:8888"
  11.         networks:
  12.             - new-networks
  14.     nginx:
  15.         build:
  16.             ...
  17.         ports:
  18.             - "80:80"
  19.         networks:
  20.             - new-networks
  21. networks:
  22.     new-networks:
  23.         driver: bridge
  24.         ipam:
  25.             driver: default
  26.             config:
  27.                 - subnet: 127.0.0.0/16

字符串
在Jupyter的Dockerfile中，我有EXPOSE 8888
在nginx容器中，我使用sites-enable文件名为domain（所以127.0.0.1），而不是nginx.conf（但在这个任务中，我也使用了nginx.conf，但我得到了相同的错误）
我在nginx中的设置（文件名：127.0.0.1）：

  1. upstream backend {
  2.         server 127.0.0.1:8888;
  3. }
  5. server {
  6.         listen 80;
  7.         listen [::]:80;
  9.         root /var/www/127.0.0.1/html;
  10.         index index.html index.htm index.nginx-debian.html;
  12.         server_name 127.0.0.1 www.127.0.0.1 ;
  14.         location /jupyter {
  15.                 proxy_pass http://backend/;
  16.         }
  18.         location /status {
  19.                 default_type application/json;
  20.                 return 200 '{"status": "All good"}';
  21.         }
  22. }

型
我尝试在upstream和proxy_pass中使用另一个域（如172...）。尝试set_headers。更改ufw（但不太多）。但总是相同的错误（502）。
我在nginx中检查了我的日志（如果在upstream中我写127.0.0.1：8888），它得到：

  1. connect() failed (111: Connection refused) while connecting to upstream, client: 172.18.0.1, server: 127.0.0.1, request: "GET /jupyter HTTP/1.1", upstream: "http://127.0.0.1:8888/", host: "127.0.0.1"

型
当我写172...：8888 un upstream（here I got 404 error）：

  1. *2 open() "/var/www/127.0.0.1/html/lab" failed (2: No such file or directory), client: 172.18.0.1, server: 127.0.0.1, request: "GET /lab? HTTP/1.1", host: "127.0.0.1"

型

upd.2

我也试过用途：

  1. upstream backend {
  2.         server jupyterlab:8888;

型
但我只得到404

  1. *6 open() "/var/www/127.0.0.1/html/lab" failed (2: No such file or directory), client: 172.20.0.1, server: 127.0.0.1, request: "GET /lab? HTTP/1.1", host: "127.0.0.1"

型

upd.3

现在我改变了我的nginx conf文件，现在get another 404不像往常一样。

  1. upstream jupyter {
  2.         server jupyterlab:8888;
  3. }
  5. server {
  6.         listen nginx:80;
  8.         server_name 127.0.0.1 www.127.0.0.1 ;
  10.         location /jupyter {
  11.                 proxy_pass http://jupyter;
  12.         }
  14.         location /ping {
  15.                 default_type application/json;
  16.                 return 200 '{"status": "All good"}';
  17.         }
  18. }

型
在日志文件中，我得到了新的错误：

  1. 2023/11/01 12:52:08 [error] 25#25: *3 open() "/usr/share/nginx/html/static/style/index.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/index.css?v=30372e3246a801d662cf9e3f9dd656fa192eebde9054a2282449fe43919de9f0ee9b745d7eb49d3b0a5e56357912cc7d776390eddcab9dac85b77bdb17b4bdae HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  2. 2023/11/01 12:52:08 [error] 26#26: *2 open() "/usr/share/nginx/html/static/style/bootstrap-theme.min.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/bootstrap-theme.min.css?v=8b2f045cb5b4d5ad346f6e816aa2566829a4f5f2783ec31d80d46a57de8ac0c3d21fe6e53bcd8e1f38ac17fcd06d12088bc9b43e23b5d1da52d10c6b717b22b3 HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  3. 2023/11/01 12:52:08 [error] 26#26: *1 open() "/usr/share/nginx/html/static/style/bootstrap.min.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/bootstrap.min.css?v=0e8a7fbd6de23ad6b27ab95802a0a0915af6693af612bc304d83af445529ce5d95842309ca3405d10f538d45c8a3a261b8cff78b4bd512dd9effb4109a71d0ab HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  4. 2023/11/01 12:52:08 [error] 27#27: *4 open() "/usr/share/nginx/html/static/style/index.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/index.css?v=30372e3246a801d662cf9e3f9dd656fa192eebde9054a2282449fe43919de9f0ee9b745d7eb49d3b0a5e56357912cc7d776390eddcab9dac85b77bdb17b4bdae HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  5. 2023/11/01 12:52:08 [error] 25#25: *3 open() "/usr/share/nginx/html/static/logo/logo.png" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/logo/logo.png?v=a2a176ee3cee251ffddf5fa21fe8e43727a9e5f87a06f9c91ad7b776d9e9d3d5e0159c16cc188a3965e00375fb4bc336c16067c688f5040c0c2d4bfdb852a9e4 HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  6. 2023/11/01 12:52:08 [error] 26#26: *2 open() "/usr/share/nginx/html/static/style/bootstrap-theme.min.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/bootstrap-theme.min.css?v=8b2f045cb5b4d5ad346f6e816aa2566829a4f5f2783ec31d80d46a57de8ac0c3d21fe6e53bcd8e1f38ac17fcd06d12088bc9b43e23b5d1da52d10c6b717b22b3 HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  7. 2023/11/01 12:52:08 [error] 25#25: *3 open() "/usr/share/nginx/html/static/style/bootstrap.min.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/bootstrap.min.css?v=0e8a7fbd6de23ad6b27ab95802a0a0915af6693af612bc304d83af445529ce5d95842309ca3405d10f538d45c8a3a261b8cff78b4bd512dd9effb4109a71d0ab HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  8. 2023/11/01 12:52:08 [error] 26#26: *2 open() "/usr/share/nginx/html/static/style/bootstrap-theme.min.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/bootstrap-theme.min.css?v=8b2f045cb5b4d5ad346f6e816aa2566829a4f5f2783ec31d80d46a57de8ac0c3d21fe6e53bcd8e1f38ac17fcd06d12088bc9b43e23b5d1da52d10c6b717b22b3 HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  9. 2023/11/01 12:52:08 [error] 27#27: *4 open() "/usr/share/nginx/html/static/style/index.css" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/style/index.css?v=30372e3246a801d662cf9e3f9dd656fa192eebde9054a2282449fe43919de9f0ee9b745d7eb49d3b0a5e56357912cc7d776390eddcab9dac85b77bdb17b4bdae HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  10. 2023/11/01 12:52:08 [error] 26#26: *1 open() "/usr/share/nginx/html/static/logo/logo.png" failed (2: No such file or directory), client: 172.24.0.1, server: 127.0.0.1, request: "GET /static/logo/logo.png?v=a2a176ee3cee251ffddf5fa21fe8e43727a9e5f87a06f9c91ad7b776d9e9d3d5e0159c16cc188a3

型
如果我在Jupyter server中转换，我将得到basic 404 error。日志将如下所示：

  1. 2023/11/02 11:15:54 [error] 25#25: *2 open() "/usr/share/nginx/html/lab" failed (2: No such file or directory), client: 172.25.0.1, server: 127.0.0.1, request: "GET /lab HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/jupyter"
  2. 2023/11/02 11:15:54 [error] 25#25: *2 open() "/usr/share/nginx/html/favicon.ico" failed (2: No such file or directory), client: 172.25.0.1, server: 127.0.0.1, request: "GET /favicon.ico HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.14/lab"
  3. 2023/11/02 11:19:37 [error] 24#24: *3 open() "/usr/share/nginx/html/lab" failed (2: No such file or directory), client: 172.25.0.1, server: 127.0.0.1, request: "GET /lab HTTP/1.1", host: "196.172.12.14", referrer: "http://196.172.12.144/jupyter"

型
如果你能帮我

nginx

2条答案

按热度按时间
gstyhher

gstyhher1#

  1. upstream backend {
  2.         server jupyterlab:8888;
  3. }

字符串
应该可以解决这个问题。在docker-compose中，服务可以使用服务名来命名。

赞(0）分享  回复(0）举报  2023-11-17
bweufnob

bweufnob2#

无论如何我关闭这个问题，现在我有一个不同的问题，而不是写在这个主题。
这个问题是在我的nginx conf中，斜杠放错了位置，路径也没有完全拼出来。正如@Andromeda所说，我需要在我的upstream中使用服务名称。在位置中，我必须使用更详细的斜杠路径。

  1. upstream jupyter {
  2.         server jupyterlab:8888;
  3. }
  5. server {
  6.         listen nginx:80;
  8.         server_name 127.0.0.1 www.127.0.0.1 ;
  10.         location /jupyter/ {
  11.                 proxy_pass http://jupyter/lab/;
  12.         }
  14.         location /ping {
  15.                 default_type application/json;
  16.                 return 200 '{"status": "All good"}';
  17.         }
  18. }

字符串

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