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Nginx 无法启动 Passenger/Nodejs

tag-icon • tag-icon nginx phusion-passenger node.js websocket
Nginx 无法启动 Passenger/Nodejs

我无法让 Passenger 在重新启动 nginx 时启动我的 Nodejs (iojs) 应用程序。我已按照教程操作并安装了先决条件：

$ nginx -V
nginx 版本：nginx/1.8.0
配置参数：--with-cc-opt='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat ……… --add-module=/tmp/buildd/nginx-1.8.0/debian/modules/passenger/ext/nginx

在http启用的块中：

 passenger_root /usr/lib/ruby/vendor_ruby/phusion_passenger/locations.ini;
 passenger_ruby /usr/bin/passenger_free_ruby;
 passenger_nodejs /usr/local/bin/node;
 passenger_default_user staging;
 passenger_default_group www-data;

然后在服务器块中：

upstream instance {
    # point to node instance
    server 127.0.0.1:9000;
}

# for websockets
map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 3000;
    server_name localhost;

    set $app_root /home/staging/public_html;

    root $app_root/tmp;
    passenger_enabled on;

    # point to where the app.js file is
    passenger_app_root $app_root;
    passenger_sticky_sessions on;

    location / {
            proxy_pass http://instance;
            proxy_http_version 1.1;
            proxy_set_header X-Forwarded-For  $remote_addr;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_set_header        X-Forwarded-Proto $scheme;
    }

    # all static non-scripts are here
    location /public/ {
        alias $app_root/app/assets/;
    }
}

然后重新启动 nginx 我尝试加载页面并在错误日志中看到：

… Starting Passenger watchdog...
… Starting Passenger core...
… Passenger core running in multi-application mode.
… Passenger core online, PID 26585
… Starting Passenger UstRouter...
… Passenger UstRouter online, PID 26590
… [error] 26736#0: *3 connect() failed (111: Connection refused) while connecting to upstream, client: 188.102.152.94, server: localhost, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:9000/", host: "staging.chatterplot.com:3000"

访问该 URL 会出现 502 错误网关的情况。

我还没有看到任何类似的 nginx 服务器块示例，所以我觉得我做的一些事情非常错误。

答案1

事实证明，乘客无法启动的原因是，它似乎需要location /阻止代理请求，而不是自己处理请求。以下配置解决了这个问题。

map $http_upgrade $connection_upgrade {
    default upgrade;
    '' close;
}

server {
    listen 3000;
    server_name localhost;

    set $app_root /home/user/public_html/dist;
    root $app_root/public;

    passenger_enabled on;
    passenger_sticky_sessions on;
    passenger_app_type node;
    passenger_app_root /home/user/public_html/dist;
    passenger_app_env production;
}

一开始我并不清楚的另一件事是，passenger/nginx 占用公共目录，并使其中的所有内容都可以访问没有 /public在网址中。

因此，任何请求都/public/images/logo.png只是/images/logo.png

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