nginx 和 php-fpm：从上游读取响应头时“主脚本未知”

Question

我想将任何api/*路由传递给 php-fpm。特别是index.php因为我使用 Symfony。这是唯一应该使用 php 的路径。其他任何内容都将从/usr/share/nginx/html/public（仅 HTML 文件和 CSS）加载。

我已经尝试过，但出现错误：

FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream

我的 nginx 配置如下：

upstream php {
  server php:9000;
}

server {
  listen 80 default_server;
  server_name impressive.local;
  index index.html index.php;
  root /usr/share/nginx/html/public;

  location /api {
    root /usr/share/nginx/html/api;
    try_files $uri /index.php;
  }

  location ~ \.php$ {
    fastcgi_pass php;
    fastcgi_split_path_info ^(.+\.php)(/.*)$;
    include fastcgi.conf;
  }
}

我收到以下错误：

php_1  | [13-Jan-2019 23:22:54] NOTICE: fpm is running, pid 1
php_1  | [13-Jan-2019 23:22:54] NOTICE: ready to handle connections
php_1  | 172.25.0.3 -  13/Jan/2019:23:22:57 +0000 "GET /api/index.php" 404
web_1  | 2019/01/13 23:22:57 [error] 10#10: *1 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream,
client: 172.25.0.1, server: impressive.local, request: "GET /api/index.php HTTP/1.1", upstream: "fastcgi://172.25.0.2:9000", host: "127.0.0.1:8080"
web_1  | 172.25.0.1 - - [13/Jan/2019:23:22:57 +0000] "GET /api/index.php HTTP/1.1" 404 27 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36" "-"

我用谷歌搜索了几个小时，在 Stack Exchange 上查看了多个其他答案。我似乎无法弄清楚是什么导致了这种情况。我使用码头工人。下面是我的docker-compose.yml

version: '3'
services:
  web:
    image: nginx:alpine
    volumes:
      - ./web:/usr/share/nginx/html
      - ./conf/impressive.template:/etc/nginx/conf.d/default.conf
    ports:
      - "8080:80"
    links:
      - php

  php:
    image: php:7.3.1-fpm-alpine
    volumes:
      - ./web:/usr/share/nginx/html

/usr/share/nginx/html 结构如下：

- api
    index.php
- public
    index.html
    something.html
    ...

api是一个 JSON API，并且public是静态站点。

我想任何请求api/*调用api/index.php和其他任何通过去/usr/share/nginx/html/public。

Answer 1

我终于解决了！

事实证明，根位置必须与 php-fpm 容器上文件的位置相匹配，因为这是通过以下方式传递的：

fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name

我不需要指定该行，因为它包含在: 中include fastcgi.conf;。

我不确定这是否是最优雅的解决方案：

upstream php {
  server php:9000;
}

server {
  listen 80 default_server;
  server_name _;
  index index.html index.php;
  root /usr/share/nginx/html/public;

  location /api {
    root /usr/share/nginx/html;
    try_files $uri /api/index.php$is_args$args;

    location ~ \.php$ {
      fastcgi_pass php;
      fastcgi_split_path_info ^(.+\.php)(/.*)$;
      include fastcgi.conf;
      internal;
    }
  }
}