what the problem with nginx configuration with php? - php

Question

I try to make Docker image with nginx and php on centos7 base image
this is my base image
FROM centos:7
RUN yum -y install openssh-server
RUN useradd remote_user && \
echo "1234" | passwd remote_user --stdin && \
mkdir /home/remote_user/.ssh && \
chmod 700 /home/remote_user/.ssh
COPY remote-key.pub /home/remote_user/.ssh/authorized_keys
RUN chown remote_user:remote_user -R /home/remote_user && \
chmod 600 /home/remote_user/.ssh/authorized_keys
RUN /usr/sbin/sshd-keygen
RUN yum install -y python3
RUN yum -y install mysql
CMD /usr/sbin/sshd -D
this is my nginx and php Docker image
FROM remote-host
COPY ./conf/nginx.repo /etc/yum.repos.d/nginx.repo
RUN yum -y update
RUN yum -y install nginx-1.12.2 openssl --enablerepo=nginx
RUN yum -y install vim net-tools
RUN yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm -y
RUN yum install https://rpms.remirepo.net/enterprise/remi-release-7.rpm -y
RUN yum install yum-utils -y
RUN yum-config-manager --disable 'remi-php*' && \
yum-config-manager --enable remi-php71
RUN yum install php-cli -y
RUN yum install -y install \
php-fpm \
php-mysqlnd \
php-soap \
php-xml \
php-zip \
php-json \
php-mcrypt \
php-mbstring \
php-zip \
php-gd
RUN yum clean all
EXPOSE 80
VOLUME /var/www/html /var/log/nginx /var/log/php-fpm /var/lib/php-fpm /sock
COPY ./conf/nginx.conf /etc/nginx/conf.d/default.conf
COPY index.php /var/www/html/
RUN chown nginx:nginx -R /var/www/html/
COPY ./bin/start.sh /start.sh
RUN chmod +x /start.sh
CMD /start.sh
this is my nginx config
server {
listen 80;
server_name jenkins.local.com;
root /var/www/html;
index index.php index.html index.htm;
access_log /var/log/nginx/localhost-access.log;
error_log /var/log/nginx/localhost-error.log;
location / {
try_files $uri $uri/ =404;
}
location ~ \.php$ {
try_files $uri =404;
fastcgi_pass unix:/sock/docker.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
in the index.php is the simple php function
<?php
phpinfo();
?>
when try to up the containers , in the web page after open jenkins.local.com , I faced the 502 Bad Gateway
I know its relates to the fastcgi_pass , but i dont know what should i do
could you please help me
this related to the nginx configuration and php-fpm