如何在“docker运行”中运行2个服务？
我有一个Dockerfile，用Apache / php和redis创build一个映像。 我知道它应该分成两个容器。 但是我想知道在运行过程中是否可以启动apache和redis。
现在我可以用两种不同的方式运行：
- docker run –rm -p 80:80 -p 6379：6379 -v $ MY_FULLPATH：/ var / www / html -e REMOTE_HOST = $ REMOTE_HOST my_img redis-server
- docker run –rm -p 80:80 -p 6379：6379 -v $ MV_FULLPATH：/ var / www / html -e REMOTE_HOST = $ REMOTE_HOST my_img apache2-foreground
如果我使用第一种方法运行，我必须打开terminal手动启动apache。 如果我运行使用第二个，我必须手动启动REDIS。
通过文档： “如果列出多个CMD，则只有最后一个CMD才能生效。” 我知道只有“redis-server”会在一开始工作。
那么有没有办法自动设置摊位？ 。
这是我的Dockerfile：
FROM php:5-apache ## Update apt-get RUN apt-get update RUN apt-get install -y figlet RUN figlet MV_Docker_Build ## UTILITIES RUN figlet vim RUN apt-get install -y vim RUN figlet wget RUN apt-get install -y wget RUN figlet CURL RUN apt-get install -y curl ## APACHE2 basic installation RUN figlet APACHE2 RUN apachectl -M RUN a2enmod rewrite RUN a2enmod expires RUN service apache2 restart RUN apachectl -M ## ====================================================================== > PHP modules ## Note: when installing from php5 for some modules we need to copy from php5/mods-available to local/etc/php/conf.d and create a simbolic link RUN figlet PHP_MODULES RUN php -m RUN apt-get install -y php5-common RUN apt-get install -y php-calendar #RUN cp /etc/php5/mods-available/calendar.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/calendar.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/calendar.so #RUN docker-php-ext-install calendar RUN docker-php-ext-install bcmath RUN apt-get install -y php5-mhash #RUN cp /etc/php5/mods-available/mhash.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/mhash.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/mhash.so RUN apt-get install -y php5-intl RUN cp /etc/php5/mods-available/intl.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/intl.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/intl.so RUN apt-get install -y php5-mcrypt RUN cp /etc/php5/mods-available/mcrypt.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/mcrypt.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/mcrypt.so RUN apt-get install -y php5-redis RUN cp /etc/php5/mods-available/redis.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/redis.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/redis.so RUN apt-get install -y php5-mysql RUN cp /etc/php5/mods-available/mysql.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/mysql.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/mysql.so RUN cp /etc/php5/mods-available/opcache.ini /usr/local/etc/php/conf.d RUN apt-get install -y php5-gd RUN cp /etc/php5/mods-available/gd.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/gd.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/gd.so RUN apt-get install -y php5-gdcm RUN cp /etc/php5/mods-available/gdcm.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/gdcm.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/gdcm.so RUN apt-get install -y php5-vtkgdcm RUN cp /etc/php5/mods-available/vtkgdcm.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/vtkgdcm.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/vtkgdcm.so RUN apt-get install -y php5-ldap RUN cp /etc/php5/mods-available/ldap.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/ldap.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/ldap.so RUN apt-get install -y php5-xsl RUN cp /etc/php5/mods-available/xsl.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/xsl.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/xsl.so RUN apt-get install -y php5-tidy RUN cp /etc/php5/mods-available/tidy.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/tidy.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/tidy.so RUN apt-get install -y php5-xmlrpc RUN cp /etc/php5/mods-available/xmlrpc.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/xmlrpc.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/xmlrpc.so RUN apt-get install -y php5-pgsql RUN cp /etc/php5/mods-available/pgsql.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/pgsql.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/pgsql.so RUN cp /etc/php5/mods-available/mysqli.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/mysqli.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/mysqli.so RUN cp /etc/php5/mods-available/pdo.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/pdo.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/pdo.so RUN cp /etc/php5/mods-available/pdo_mysql.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/pdo_mysql.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/pdo_mysql.so RUN cp /etc/php5/mods-available/pdo_pgsql.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/pdo_pgsql.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/pdo_pgsql.so RUN cp /etc/php5/mods-available/readline.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/readline.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/readline.so #RUN apt-get install -y php5-snmp #RUN cp /etc/php5/mods-available/snmp.ini /usr/local/etc/php/conf.d && ln -s /usr/lib/php5/20131226/snmp.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/snmp.so RUN figlet PHP_MODULES RUN php -m ## ====================================================================== > End of PHP modules ## ====================================================================== > REDIS RUN figlet REDIS RUN apt-get install -y telnet redis-server RUN apt-get install -y redis-server ## ====================================================================== > NPM RUN figlet NPM RUN apt-get install -y npm ## ====================================================================== > COPYING php.ini RUN figlet COPYING__php.ini RUN cp /etc/php5/cli/php.ini /usr/local/etc/php/ RUN ls -l /usr/local/etc/ ## ====================================================================== > XDEBUG # XDEBUG EXTENSION FOR PHP | DOCUMENTATION => https://xdebug.org/docs/remote # # install xdebug and enable it. This block of code goes through the installion from source and compiling steps found # on the xdebug website # https://xdebug.org/docs/install RUN figlet INSTALLING__XDEBUG RUN cd /tmp \ && wget http://xdebug.org/files/xdebug-2.5.4.tgz \ && tar -xvzf xdebug-2.5.4.tgz \ && cd xdebug-2.5.4 \ && phpize \ && ./configure \ && make \ && cp modules/xdebug.so /usr/local/lib/php/extensions/no-debug-non-zts-20131226/ RUN figlet INSIDE_no-debug-non-zts-20131226/ RUN ls -l /usr/local/lib/php/extensions/no-debug-non-zts-20131226/ #https://stackoverflow.com/questions/47596381/how-to-setup-an-variable-env-inside-dockerfile-to-be-overriden-in-a-docker-conta?noredirect=1#comment82150863_47596381 # ADD xdebug configurations RUN figlet SETTING__XDEBUG__php.ini RUN { \ echo '[xdebug]'; \ echo 'zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20131226/xdebug.so'; \ echo 'xdebug.remote_enable=1'; \ echo 'xdebug.remote_port=9000'; \ echo 'xdebug.remote_autostart=1'; \ echo 'xdebug.remote_handler=dbgp'; \ echo 'xdebug.idekey=dockerdebug'; \ echo 'xdebug.profiler_output_dir="/var/www/html"'; \ echo 'xdebug.remote_connect_back=0'; \ echo 'xdebug.remote_host=$REMOTE_HOST'; \ } >> /usr/local/etc/php/php.ini RUN figlet XDEGUB__IN__php.ini RUN cat /usr/local/etc/php/php.ini ## ====================================================================== > COMPOSER RUN figlet Escape_SUDO RUN exit RUN figlet Install__COMPOSER RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \ && php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \ && php composer-setup.php \ && php -r "unlink('composer-setup.php');" \ && mv composer.phar /usr/bin/composer RUN composer ## ====================================================================== > PhpUnit RUN figlet PhpUnit RUN curl https://phar.phpunit.de/phpunit-5.6.0.phar -L -o phpunit.phar RUN chmod +x phpunit.phar RUN mv phpunit.phar /usr/local/bin/phpunit RUN figlet COPYING_entrypoint.sh COPY entrypoint.sh /usr/local/bin/ RUN figlet Permission_entrypoint.sh RUN chmod +x /usr/local/bin/entrypoint.sh ENTRYPOINT [ "entrypoint.sh" ] # EXPOSE - PORTS RUN figlet EXPOSE_PORTS EXPOSE 80 #EXPOSE 6379 EXPOSE 9000 #CMD ["apache2-foreground","redis-server"] #ADD run.sh /run.sh COPY run.sh /usr/local/bin/ RUN chmod +x /usr/local/bin/run.sh CMD ["/bin/sh", "-c", "/run.sh"] 这是run.sh
#!/usr/bin/env bash exec apache2-foreground & exec redis-server &
这是entrypoint.sh
#!/bin/bash set -e # Check if our environment variable has been passed. if [ -z "${REMOTE_HOST}" ] then echo "REMOTE_HOST has not been set." exit 1 else sed -i.bak "s/\$REMOTE_HOST/${REMOTE_HOST}/g" /usr/local/etc/php/php.ini fi exec "$@"
您可以通过几种方法启动多个进程：
- 启动它们作为服务
- 通过cron作业启动它们（@reboot）
- 在后台启动进程
在Dockerfile发布后更新
在我尝试回答几个指针之前：
- 每次在Dockerfile中input一个RUN命令，它都会创build一个新的图层，使图像变大，构build变慢。
- 这个容器明显地试图做太多。 一个容器应该做一件事，一件好事。
话虽如此，我想我有一个解决scheme:-)
- 删除
run.sh - 将您的入口点更改为：
#!/bin/bash set -e # Check if our environment variable has been passed. if [ -z "${REMOTE_HOST}" ] then echo "REMOTE_HOST has not been set." exit 1 else sed -i.bak "s/\$REMOTE_HOST/${REMOTE_HOST}/g" /usr/local/etc/php/php.ini fi echo "Starting redis" exec redis-server & exec "$@"
- 和你的Dockerfile的结尾是这样的：
RUN figlet EXPOSE_PORTS EXPOSE 80 #EXPOSE 6379 EXPOSE 9000 CMD ["apache2-foreground"]
重build并获得乐趣:-)
我的运行控制台的屏幕截图