[Question] Serving fpm-alpine image with nginx

[lonix1]

I am trying to get the fpm-alpine image to work with nginx.

docker-compose.yml

version: "3.7"

networks:
 mynet:

volumes:
 mariadb_data:
 phpmyadmin_data:

services:

 mariadb:
 image: mariadb:10.4.8-bionic
 environment:
 MYSQL_DATABASE: mydb
 MYSQL_ROOT_PASSWORD: password
 MYSQL_USER: admin
 MYSQL_PASSWORD: password
 volumes:
 - mariadb_data:/var/lib/mysql/
 networks:
 - mynet

 phpmyadmin:
 image: phpmyadmin/phpmyadmin:fpm-alpine
 volumes:
 - phpmyadmin_data:/var/www/html/
 networks:
 - mynet
 depends_on:
 - mariadb

 nginx:
 image: nginx:1.17.4-alpine
 volumes:
 - ./default.conf:/etc/nginx/conf.d/default.conf:ro
 - phpmyadmin_data:/var/www/html/:ro
 ports:
 - "80:80"
 networks:
 - mynet
 depends_on:
 - mariadb
 - phpmyadmin

default.conf

resolver 127.0.0.11 valid=15s;

server {

 listen 80;
 server_name www.example.com;

 root /var/www/html/;
 index index.php index.html index.htm;

 set $upstream phpmyadmin:9000;

 location ~ \/pma {
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 fastcgi_split_path_info ^(.+\.php)(/.*)$;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param PATH_INFO $fastcgi_path_info;
 }
}

Then: docker-compose up.

When I access http://www.example.com/pma I get

502 Bad Gateway

I also tried to get it working using a port instead of path, i.e. http://www.example.com:8080 instead of http://www.example.com/pma.

The docs show examples using traefik and haproxy, but not for nginx.

Can someone spot the error in my setup, or does someone have a working example to share?

[williamdes]

@lonix1 try port 9000 on host phpmyadmin for fastcgi_pass since you are sending the script to the cgi and not to the web server

If it does not work comment back here :)

[lonix1]

@williamdes Thanks - yes you are right it should be 9000! I edited it above.

However, it still does not work :-(

curl http://www.example.com/pma gives:

File not found.

The docker log shows:

"GET /pma/index.php" 404

[williamdes]

maybe you should change /var/www/html to /usr/src/phpmyadmin

See: https://github.com/phpmyadmin/docker/blob/master/fpm-alpine/Dockerfile#L77

I assume you have data into the volume phpmyadmin_data

https://superuser.com/a/435969/609233
I would write the nginx config block like that

 location ~ \/pma {
 rewrite ^/pma(/.*)$ $1 last;
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 include snippets/fastcgi-php.conf;
 # remove line below ?
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 }

You are maybe missing the rewrite part since the files are in the root folder and not in /pma

[lonix1]

When I do docker-compose up for the first time, it says

phpMyAdmin not found in /var/www/html - copying now...
Complete! phpMyAdmin has been successfully copied to /var/www/html

That's why I used that path. But even if I use /usr/src/phpmyadmin it fails with same error. I checked that there are files in there, looks okay.

I tried the new location block also. Same error (file not found).

Does that actually work for you?

---

I will carry on fiddling to get it working. Maybe we can then add it to the docs.

[williamdes]

After hours (since my last post) I could not make a rewrite folder that worked.

Light version

resolver 127.0.0.11 valid=15s;
server {
 listen 80;
 server_name williamdes.local default_server;
 root /var/www/html/;
 index index.php index.html index.htm;
 set $upstream phpmyadmin:9000;

 location ~ \.php$ {
 try_files $uri = 404;
 #fastcgi_split_path_info ^(.+\.php)(/.+)$;
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param PATH_INFO $fastcgi_path_info;
 }
}

version: "3.7"

networks:
 mynet:

volumes:
 mariadb_data:
 phpmyadmin_data:

services:

 mariadb:
 image: mariadb:10.4.8-bionic
 environment:
 MYSQL_DATABASE: mydb
 MYSQL_ROOT_PASSWORD: password
 MYSQL_USER: admin
 MYSQL_PASSWORD: password
 volumes:
 - mariadb_data:/var/lib/mysql/
 networks:
 - mynet

 phpmyadmin:
 image: phpmyadmin/phpmyadmin:fpm-alpine
 environment:
 PMA_HOST: mariadb
 volumes:
 - phpmyadmin_data:/var/www/html/
 networks:
 - mynet
 depends_on:
 - mariadb

 nginx:
 image: nginx:1.17.4-alpine
 volumes:
 - ./default.conf:/etc/nginx/conf.d/default.conf:ro
 - phpmyadmin_data:/var/www/html/:ro
 ports:
 - "90:80"
 networks:
 - mynet
 depends_on:
 - mariadb
 - phpmyadmin

[williamdes]

Using a proxy

resolver 127.0.0.11 valid=15s;
server {
 listen 80;
 server_name williamdes.local default_server;
 root /var/www/html/;
 index index.php index.html index.htm;
 set $upstream phpmyadmin:9000;

 location ^~ /pma {
 rewrite /pma/(.*) /$1 last;
 proxy_pass http://localhost:80;
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Host $host;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
 proxy_cache_bypass $http_upgrade;
 proxy_redirect off;
 }

 location ~ \.php$ {
 try_files $uri = 404;
 #fastcgi_split_path_info ^(.+\.php)(/.+)$;
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param PATH_INFO $fastcgi_path_info;
 }
}

Using CGI

Thanks to: https://stackoverflow.com/a/29213330/5155484

resolver 127.0.0.11 valid=15s;
server {
 listen 80;
 server_name williamdes.local default_server;
 root /var/www/html/;
 index index.php index.html index.htm;
 set $upstream phpmyadmin:9000;

 location ^~ /pma {
 rewrite /pma/(.*) /$1 last;
 try_files $uri = 404;
 #fastcgi_split_path_info ^(.+\.php)(/.+)$;
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param PATH_INFO $fastcgi_path_info;
 }

 location ~ \.php$ {
 try_files $uri = 404;
 #fastcgi_split_path_info ^(.+\.php)(/.+)$;
 fastcgi_pass $upstream;
 fastcgi_index index.php;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param PATH_INFO $fastcgi_path_info;
 }
}

@lonix1 the CGI version is what you want

[lonix1]

@williamdes wow thanks! I used the "Using CGI" section, and got it working finally, but on the wrong path:

curl http://www.example.com/pma gives 404
but
curl http://www.example.com/ gives the phpmyadmin login page

---

BTW, I assume your "Using a proxy" section is for the latest image, and "Using CGI" is for the fpm-alpine and fpm images?

[williamdes]

I think you are correct on what you assume

@lonix1 can you paste your final configuration?

I made it work with the ^~ and position can be important from what Internet says

[lonix1]

Okay I got it to work, thanks to this!

Notes:

• No rewriting necessary
• I did not need to set PMA_ABSOLUTE_URI - not sure why?

resolver 127.0.0.11 valid=15s;

server {

 listen 80;
 server_name www.example.com example.com;
 set $upstream phpmyadmin:9000;

 location ^~ /phpmyadmin {
 alias /var/www/html/;
 index index.php;
 location ~ \.php$ {
 try_files $uri = 404;
 fastcgi_pass $upstream;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $request_filename;
 }
 }

}

This should be in the docs. If someone knows how to do that, please add @williamdes' code for latest image and my code for fpm-alpine and fpm images.

[lonix1]

@williamdes BTW thanks for taking the time to help me... Appreciated!

[williamdes]

@lonix1 I think it is because all files need to know their base path?

[lonix1]

@williamdes Yes... so we need to correctly set SCRIPT_FILENAME.

[williamdes]

@lonix1 please post the config when you have a working example ;)