Docker 图像在 docker 运行容器中运行良好，但在 swarm 中运行不佳

Question

I have a Dockerfile:

FROM php:7.2-apache

COPY ./mysql-init.sh /etc/

RUN apt-get update && apt-get install -y \
  mariadb-server \
  mariadb-client \
  && docker-php-ext-install mysqli && docker-php-ext-enable mysqli && \
  chmod +x /etc/mysql-init.sh && /etc/init.d/mysql start && /etc/mysql-init.sh 

COPY ./public-html/ /var/www/html/

CMD service mysql start && service apache2 start && bash

Build image with:

docker build -t vhost . 

and run container with:

 docker run -dt -p 8080:80 --name test vhost

every thing work well and this is the container log:

[ ok ] Starting MariaDB database server: mysqld.
[....] Starting Apache httpd web server: apache2ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.2. Set the 'ServerName' directive globally to suppress this message
. ok 

but in swarm when i create a service with:

docker service create -p 8080:80 --name test vhost

service failed and restart again. This is the service log:

test.1.5ywz5uq6p9qc@docker-VirtualBox    | Starting MariaDB database server: mysqld.
test.1.5ywz5uq6p9qc@docker-VirtualBox    | ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
test.1.5ywz5uq6p9qc@docker-VirtualBox    | AH00557: apache2: apr_sockaddr_info_get() failed for 58ff827d9d51
test.1.5ywz5uq6p9qc@docker-VirtualBox    | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1. Set the 'ServerName' directive globally to suppress this message
.
.
.
test.1.vvd65rc7xxco@docker-VirtualBox    | Starting Apache httpd web server: apache2.
test.1.u5nepc5a1jib@docker-VirtualBox    | Starting MariaDB database server: mysqld.
test.1.u5nepc5a1jib@docker-VirtualBox    | ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
test.1.u5nepc5a1jib@docker-VirtualBox    | AH00557: apache2: apr_sockaddr_info_get() failed for 1cd85211c4a7
test.1.u5nepc5a1jib@docker-VirtualBox    | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1. Set the 'ServerName' directive globally to suppress this message
.
.
.

how can i make service run once and keep running?

Answer 1

Ok i solve it. when i start apache service in container it return this warning:

test.1.5ywz5uq6p9qc@docker-VirtualBox    | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1. Set the 'ServerName' directive globally to suppress this message

and this is a warning but i think it return error status and service failed. i change Dockerfile to this and problem solved:

FROM php:7.2-apache

COPY ./mysql-init.sh /etc/

RUN apt-get update && apt-get install -y \
  mariadb-server \
  mariadb-client \
  && docker-php-ext-install mysqli && docker-php-ext-enable mysqli && \
  chmod +x /etc/mysql-init.sh && /etc/init.d/mysql start && /etc/mysql-init.sh 

COPY ./public-html/ /var/www/html/

CMD service mysql start ; service apache2 start ; sleep infinity