How do I use Nginx and PHP?

hack3rcon · March 13, 2024, 8:03am

Hello,
I want to have Nginx with PHP on my container. Are both the following configurations correct?

Configuration 1:

services:
    nginx:
        ports:
            - 80:80
        volumes:
            - ./src:/var/www/html/index.html
        image: nginx:latest
    php:
        image: php:latest

Configuration 2:

services:
    nginx:
        ports:
            - 80:80
        volumes:
            - ./src:/var/www/html/index.html
        image: nginx:latest
    links:
        - php
            php:
                image: php:latest

Cheers.

terpz · March 14, 2024, 1:12pm

Is there a reason for nginx?
else since php has a image where apache is bundled, you can just do this:

services:
    php:
        ports:
            - 80:80
        volumes:
            - ./src:/var/www/html
        image: php:apache

hack3rcon · March 15, 2024, 9:11am

Hi,
Yes. For some reasons, I need Nginx.
On the host OS, I did the following steps:

# mkdir -p /var/www/html
# touch /var/www/html/index.php
# nano /var/www/html/index.php

<?php
echo "Testing PHP-FPM on Docker."
?>

<?php
phpinfo();
?>

I saved the file. Then:

# mkdir -p /etc/nginx/conf.d/
# touch /etc/nginx/conf.d/default.conf
# nano /etc/nginx/conf.d/default.conf

server {
    listen 80;
    server_name phpfpm.local;
    index index.php index.html;
    root /var/www/html;
    location /var/www/html/.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass php-fpm:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
}

I saved the file.
The docker-compose.yaml file contains the following lines:

version: '3.9'

services:
  web:
    image: nginx:latest
    ports:
      - '80:80'
    volumes:
      - ./src:/var/www/html/
      - ./default.conf:/etc/nginx/conf.d/
    links:
      - php-fpm
  php-fpm:
    image: php:8-fpm
    volumes:
      - ./src:/var/www/html

I tried to start the container, but:

# docker compose up -d
[+] Running 2/2
 ✔ Container containers-php-fpm-1  Running                                                                                                                     0.0s 
 ✔ Container containers-web-1      Started

But, I can’t browse “http://IP_Address/index.php”.

terpz · March 15, 2024, 9:17am

I dont think that i can describe the error, better than the error you’re posting

hack3rcon · March 15, 2024, 9:19am

Sorry, I solved that error. I can’t browse “http://IP_Address/index.php”.

terpz · March 15, 2024, 9:30am

what does

docker logs CONTAINERNAME

Give, for both?

hack3rcon · March 15, 2024, 9:38am

Nginx:

# docker logs containers-web-1
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: /etc/nginx/conf.d/default.conf is not a file or does not exist
/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2024/03/15 09:24:46 [notice] 1#1: using the "epoll" event method
2024/03/15 09:24:46 [notice] 1#1: nginx/1.25.4
2024/03/15 09:24:46 [notice] 1#1: built by gcc 12.2.0 (Debian 12.2.0-14) 
2024/03/15 09:24:46 [notice] 1#1: OS: Linux 6.1.0-9-amd64
2024/03/15 09:24:46 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2024/03/15 09:24:46 [notice] 1#1: start worker processes
2024/03/15 09:24:46 [notice] 1#1: start worker process 20
2024/03/15 09:24:46 [notice] 1#1: start worker process 21
2024/03/15 09:24:46 [notice] 1#1: start worker process 22
2024/03/15 09:24:46 [notice] 1#1: start worker process 23
2024/03/15 09:31:01 [notice] 1#1: signal 3 (SIGQUIT) received, shutting down
2024/03/15 09:31:01 [notice] 20#20: gracefully shutting down
2024/03/15 09:31:01 [notice] 21#21: gracefully shutting down
2024/03/15 09:31:01 [notice] 22#22: gracefully shutting down
2024/03/15 09:31:01 [notice] 21#21: exiting
2024/03/15 09:31:01 [notice] 20#20: exiting
2024/03/15 09:31:01 [notice] 22#22: exiting
2024/03/15 09:31:01 [notice] 21#21: exit
2024/03/15 09:31:01 [notice] 20#20: exit
2024/03/15 09:31:01 [notice] 22#22: exit
2024/03/15 09:31:01 [notice] 23#23: gracefully shutting down
2024/03/15 09:31:01 [notice] 23#23: exiting
2024/03/15 09:31:01 [notice] 23#23: exit
2024/03/15 09:31:01 [notice] 1#1: signal 17 (SIGCHLD) received from 22
2024/03/15 09:31:01 [notice] 1#1: worker process 20 exited with code 0
2024/03/15 09:31:01 [notice] 1#1: worker process 21 exited with code 0
2024/03/15 09:31:01 [notice] 1#1: worker process 22 exited with code 0
2024/03/15 09:31:01 [notice] 1#1: signal 29 (SIGIO) received
2024/03/15 09:31:01 [notice] 1#1: signal 17 (SIGCHLD) received from 20
2024/03/15 09:31:01 [notice] 1#1: signal 17 (SIGCHLD) received from 23
2024/03/15 09:31:01 [notice] 1#1: worker process 23 exited with code 0
2024/03/15 09:31:01 [notice] 1#1: exit
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: /etc/nginx/conf.d/default.conf is not a file or does not exist
/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2024/03/15 09:31:13 [notice] 1#1: using the "epoll" event method
2024/03/15 09:31:13 [notice] 1#1: nginx/1.25.4
2024/03/15 09:31:13 [notice] 1#1: built by gcc 12.2.0 (Debian 12.2.0-14) 
2024/03/15 09:31:13 [notice] 1#1: OS: Linux 6.1.0-9-amd64
2024/03/15 09:31:13 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2024/03/15 09:31:13 [notice] 1#1: start worker processes
2024/03/15 09:31:13 [notice] 1#1: start worker process 20
2024/03/15 09:31:13 [notice] 1#1: start worker process 21
2024/03/15 09:31:13 [notice] 1#1: start worker process 22
2024/03/15 09:31:13 [notice] 1#1: start worker process 23

PHP-FPM:

# docker logs containers-php-fpm-1
[15-Mar-2024 08:57:32] NOTICE: fpm is running, pid 1
[15-Mar-2024 08:57:32] NOTICE: ready to handle connections
[15-Mar-2024 09:30:56] NOTICE: Finishing ...
[15-Mar-2024 09:30:56] NOTICE: exiting, bye-bye!
[15-Mar-2024 09:31:12] NOTICE: fpm is running, pid 1
[15-Mar-2024 09:31:12] NOTICE: ready to handle connections

terpz · March 15, 2024, 9:44am

Hi, i dont know much abount nginx + fpm, but a change you can try in your nginx conf:

server {
    listen 80;
    server_name phpfpm.local;
    index index.php index.html;
    root /var/www/html;
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass php-fpm:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root/$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
}

Not that i changed location and SCRIPT_FILENAME

hack3rcon · March 15, 2024, 9:56am

Hi,
The contents of the file are as follows:

# cat /etc/nginx/conf.d/nginx.conf
server {
    listen 80;
    server_name phpfpm.local;
    index index.php index.html;
    root /var/www/html;
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass php-fpm:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root/$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
}

On the host:

# ss -tupln
Netid       State        Recv-Q       Send-Q               Local Address:Port                Peer Address:Port       Process                                        
tcp         LISTEN       0            128                        0.0.0.0:22                       0.0.0.0:*           users:(("sshd",pid=509,fd=3))                 
tcp         LISTEN       0            4096                       0.0.0.0:80                       0.0.0.0:*           users:(("docker-proxy",pid=14210,fd=4))       
tcp         LISTEN       0            128                           [::]:22                          [::]:*           users:(("sshd",pid=509,fd=4))                 
tcp         LISTEN       0            4096                          [::]:80                          [::]:*           users:(("docker-proxy",pid=14216,fd=4))

But:

$ nc 172.20.2.58 -v 80
nc: cannot connect to 172.20.2.58 (172.20.2.58) 80 [http]: Connection refused
nc: unable to connect to address 172.20.2.58, service 80

The problem is the following line:
- ./nginx.conf:/etc/nginx/conf.d/
When I commented it, then port is OK:

$ nc 172.20.2.58 -v 80
nc: 172.20.2.58 (172.20.2.58) 80 [http] open

terpz · March 15, 2024, 10:26am

172.20.2.58, this IP, where do you get this from?

Is this the hosts IP or the containers?
because, from the host, you should be able to do: http://localhost

hack3rcon · March 15, 2024, 10:49am

The 172.20.2.58 is the IP address of the host that containers are running on it.

hack3rcon · March 15, 2024, 11:19am

Hello,
something interesting. I created the default.conf file under the home directory:

# ls -l
-rw-r--r-- 1 root root  452 Mar 15 07:07 default.conf
-rw-r--r-- 1 root root  346 Mar 15 07:08 docker-compose.yaml

And changed the docker-compose.yaml file as below:

volumes:
      - ./src:/var/www/html
#      - ./default.conf:/etc/nginx/conf.d
      - ./default.conf:/home/docki/Containers

Then:

# docker compose up -d
[+] Running 2/2
 ✔ Container containers-php-fpm-1  Running                                                                                                                     0.0s 
 ✔ Container containers-web-1      Started

After it:

$ nc 172.20.2.58 -v 80
nc: 172.20.2.58 (172.20.2.58) 80 [http] open

terpz · March 15, 2024, 11:20am

Then i guess it would be something to do with your nginx config that has an error, check the docker logs.
If there is no file defined it will use a default one, which i guess is the working one that you’re seeing

hack3rcon · March 15, 2024, 11:26am

How can I clear docker compose logs?

hack3rcon · March 15, 2024, 11:48am

The logs says:

web-1  | 172.21.50.67 - - [15/Mar/2024:11:41:41 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36" "-"
web-1  | 2024/03/15 11:42:49 [error] 31#31: *3 open() "/usr/share/nginx/html/index.php" failed (2: No such file or directory), client: 172.21.50.67, server: localhost, request: "GET /index.php HTTP/1.1", host: "172.20.2.58"
web-1  | 172.21.50.67 - - [15/Mar/2024:11:42:49 +0000] "GET /index.php HTTP/1.1" 404 555 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36" "-"

terpz · March 15, 2024, 12:15pm

again, the logs says it all:

web-1  | 2024/03/15 11:42:49 [error] 31#31: *3 open() "/usr/share/nginx/html/index.php" failed (2: No such file or directory), client: 172.21.50.67, server: localhost, request: "GET /index.php HTTP/1.1", host: "172.20.2.58"

So maybe you mapped into the wrong directory?

hack3rcon · March 15, 2024, 12:43pm

I saw /usr/share/nginx/html/index.php and it was odd.
I created a default.conf file under the current directory:

# ls
default.conf  docker-compose.yaml

And changed the docker-compose.yaml file as below:

version: '3.9'
services:
  web:
    image: nginx:latest
    ports:
      - '80:80'
    volumes:
      - ./default.conf:/etc/nginx/conf.d/default.conf
      - /var/www/html:/usr/share/nginx/html
    links:
      - php-fpm
  php-fpm:
    image: php:8-fpm

Now, I can see the Nginx first page, but when I browse http://IP_Address/index.php, then it asks me to download the “index.php” file and can’t execute the file. This means that PHP is not linked to Nginx.
Why?

hack3rcon · March 15, 2024, 7:17pm

Hello,
The final configuration is as follows:

version: '3.9'
services:
  web:
    image: nginx:latest
    ports:
      - '80:80'
    volumes:
      - ./default.conf:/etc/nginx/conf.d/default.conf
      - /var/www/html:/usr/share/nginx/html
    links:
      - php-fpm
  php-fpm:
    image: php:8-fpm

And:

server {
   listen 80;
   server_name localhost;
   error_log  /var/log/nginx/error.system-default.log;
   access_log /var/log/nginx/access.system-default.log;
   charset utf-8;

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

   location @mod_rewrite {
       rewrite ^/(.*)$ /index.php?route=/$1;
   }

       # You may need this to prevent return 404 recursion.
   location = /404.html {
       internal;
   }

   location ~ \.php$ {
       try_files $uri =404;
       fastcgi_split_path_info ^(.+\.php)(/.+)$;
       fastcgi_pass php-fpm:9000;
       fastcgi_read_timeout 6000;
       fastcgi_index index.php;
       include fastcgi_params;
       fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
       fastcgi_param PATH_INFO $fastcgi_path_info;
   }
}

When I use http://IP_Address/index.php, then I see 404 Not Found.
What is wrong?

Cheers.

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