Running php-fpm in Docker based on CentOS 7

Running php-fpm in Docker based on CentOS 7

Dockerfile:

FROM centos:centos7

RUN curl 'https://setup.ius.io/' -o setup-ius.sh \
 && bash setup-ius.sh \
 && rm -f setup-ius.sh \
 && yum -y update \
 && yum -y install \
  php71u-common \
  php71u-cli \
  php71u-fpm \
  php71u-opcache \
  php71u-xml \
  php71u-json \
  php71u-pdo \
  php71u-mysqlnd \
  php71u-intl \
  php71u-mbstring \
  php71u-mcrypt \
  php71u-gd \
  php71u-soap \
  php71u-process \
  php71u-pecl-redis \
  php71u-pecl-xdebug \
  php71u-fpm-httpd

EXPOSE 9000

CMD ["php-fpm", "-F"]

Build the docker image:

# docker build -t junhsieh/php7.1-fpm:0.0.0 .

Some important settings to be changed:

# vim /etc/php-fpm.d/www.conf

; Change ownership:

user = php-fpm
group = php-fpm

; Note: Ubuntu uses www-data user. Add php-fpm user to www-data group if the other container used it.
; # groupadd -g 33 www-data
; # useradd www-data -m -c 'web user' -u 33 -g 33
; # usermod -a -G www-data php-fpm
; # id php-fpm
; Now, restart this container to ensure php-fpm user is in www-data group.

; Bind port 9000 to the all interfaces:

listen = 9000
;listen = [::]:9000

; Note: PHP-FPM has a listen.client_allowed setting which allows you to set a list of IPs that can connect, or leave blank for any IP to connect. However, even with it being left blank, the issue still persisted. Digging into the official PHP-FPM repo, I discovered that you also need to set  listen = [::]:9000 which then began to allow any IP to connect.
; Note: https://stackoverflow.com/questions/19806945/docker-and-connections-between-containers

; Comment out the following line:

;listen.allowed_clients = 127.0.0.1

; Note: "listen.allowed_clients = any" will not work.
; Note: "listen.allowed_clients = other-container-name" will not work. IP address only.


; Uncomment the following line to debug the issue:

catch_workers_output = yes

; Note: Comment it out on production.

xdebug setting:

### xdebug setting
###
; Enable xdebug extension module
zend_extension=xdebug.so
;zend_extension=/usr/lib64/php/modules/xdebug.so

xdebug.default_enable=1
xdebug.remote_enable=1
xdebug.remote_handler=dbgp
xdebug.remote_host=localhost
xdebug.remote_port=9009
; Note: php-fpm uses port 9000 as well.
xdebug.remote_log=/tmp/xdebug.log
xdebug.remote_connect_back=0
xdebug.remote_autostart=0
xdebug.remote_mode=req

xdebug.max_nesting_level=1000

Reference:

https://developers.redhat.com/blog/2014/12/29/running-php-fpm-in-docker/