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No php-fpm error logs from docker container – Apache

Using apache + php-fpm containers in docker-compose, I can’t get the php-fpm container to display any errors.

docker-compose.yml

version: '3'

services:
  php:
    build:
      context: ./php
    ports:
      - 9000:9000
    volumes:
      - ./code:/code
      - ./php/www.conf:/usr/local/etc/php-fpm.d/www.conf
    environment:
      ENVIRONMENT: local
  web:
    image: httpd:2.4
    depends_on:
      - php
    ports:
      - 80:80
    volumes:
      - ./code:/usr/local/apache2/htdocs
      - ./web/httpd.conf:/usr/local/apache2/conf/httpd.conf
    depends_on:
      - php

php-fpm Dockerfile:

FROM php:5.6-fpm

php-fpm www.conf:

[global]
error_log = /proc/self/fd/2

[www]

user = www-data
group = www-data

listen = nginx:9000

pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3

; Logging

; if we send this to /proc/self/fd/1, it never appears
access.log = /proc/self/fd/2

clear_env = no

; Ensure worker stdout and stderr are sent to the main error log.
catch_workers_output = yes

php_flag[display_errors] = on
php_admin_flag[log_errors] = on
;php_admin_value[error_log] = /var/log/fpm-php.www.log
php_admin_value[error_reporting] = E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_DEPRECATED
php_admin_value[display_startup_errors] = on

docker-compose logs only shows php-fpm access logs, no error logs.

Tried all solutions proposed in post proposed as possible duplicate: PHP-FPM doesn't write to error log
None of them worked for me, check my comments down below.

Tags:

2

Answers


  1. 0

    Struggle hours to get this working.

    In the file docker-compose.yml I mounted my logs (so they persist)

            volumes:
        - ./phpSettings.conf:/usr/local/etc/php-fpm.d/zzz-phpSettings.conf
        - ./logs/php-error.log:/var/log/error.log
        - ./logs/php-access.log:/var/log/access.log

    In the phpSettings.conf file I have this:

    [www]
user = www-data
group = www-data
listen = 0.0.0.0:9000
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3

catch_workers_output = yes
php_admin_flag[log_errors] = on
php_admin_flag[display_errors] = off
php_admin_value[error_reporting] = E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_DEPRECATED
php_admin_value[error_log] = /var/log/error.log
access.log = /var/log/access.log
php_value[memory_limit] = 512M
php_value[post_max_size] = 24M
php_value[upload_max_filesize] = 24M

    Make sure the mounted log files exist before starting the docker.

    the trick seems to be naming my settings zzz-phpSettings.conf so is the last one to load. I overwrite the default docker php image http://www.conf settings with the very same settings (except the listen 0.0.0.0:9000).

    In this php-fpm+Nginx setup I managed to have nginx (error/access) logs to its own location + php-fpm error/access logs to its own place too, so loggins looks really nice.

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  2. 0

    In my case it was the /usr/local/etc/php-fpm.d/docker.conf which caused the troubles:

    [global]
error_log = /proc/self/fd/2

; https://github.com/docker-library/php/pull/725#issuecomment-443540114
log_limit = 8192

[www]
; if we send this to /proc/self/fd/1, it never appears
access.log = /proc/self/fd/2

clear_env = no

; Ensure worker stdout and stderr are sent to the main error log.
catch_workers_output = yes
decorate_workers_output = no

    The error_log directive’s value of /proc/self/fd/2 causes the log being written into the terminal/console where the docker-compose up is running.

    I just had to create a custom global fpm config file within the /usr/local/etc/php-fpm.d/ directory and make it execute as the last one by naming it zz-global.conf, so it can override the docker.conf values. Then I just needed to set the value for the error_log to a custom path within the php-fpm container e.g.:

    [global]
error_log = /var/www/logs/php-fpm-error.log

    That’s it.

    Maybe worth mentioning: my php.ini (modified php.ini-development) has following custom error logging related values:

    ; https://stackoverflow.com/a/10546138/4721232
; Redirect worker stdout and stderr into main error log. If not set, stdout and
; stderr will be redirected to /dev/null according to FastCGI specs.
; Default Value: no
catch_workers_output = yes
php_admin_flag[log_errors] = on
php_admin_flag[display_errors] = on
php_admin_value[error_reporting] = E_ALL
php_admin_value[error_log] = /var/log/error.log
access.log = /var/www/logs/php-fpm-access.log
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