调用 api 时 Nginx 502 Bad Gateway 错误

debugcn 发表于 Dev

诺亚

我有一个 Angular 构建和一个 Django 后端，提供在一台服务器上运行的 API。我已经在 nginx 中配置了它们，前端有一个到后端服务器的代理。

后端在 url 127.0.0.1:8000/api 上运行，前端在 localhost 上运行

配置：

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    server {
        listen 80;
        charset utf-8;
        server_name  localhost;

        root   /usr/share/nginx/html;
        index  index.html index.htm;
        include /etc/nginx/mime.types;

        gzip on;
        gzip_types text/css text/javascript application/x-javascript application/json;

        location /api {
            proxy_pass http://127.0.0.1:8000/api;
        }

        location / {
            try_files $uri $uri/ /index.html;
        }
    }
}

现在，当我从前端进行任何 api 调用时，我收到 502 Bad Gateway 错误

GET http://localhost/api/posts/post/management 502（坏网关）

诺亚

我有更换器配置

upstream backend {
      server backend:8000;
    }

    server {
        listen 80;
        charset utf-8;
        server_name  localhost;

        root   /usr/share/nginx/html;
        index  index.html index.htm;
        include /etc/nginx/mime.types;

        gzip on;
        gzip_types text/css text/javascript application/x-javascript application/json;

        # backend urls
        location ~ ^/(admin|api|media) {
            proxy_redirect off;
            proxy_pass http://backend;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;
        }

        # static files
        location /static {
            proxy_pass http://backend;
        }

        # frontend
        location / {
            try_files $uri $uri/ /index.html;
        }

它工作正常

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