anchor.diff:  ADD iredmail/config.iredmail /opt/iredmail/
   ADD iredmail/iredmail.sh /opt/iredmail/iredmail.sh
   ADD iredmail.cfg /opt/iredmail/iredmail.cfg
  +ADD iredmail/create_mail_domain_SQL.sh /opt/iredmail/create_mail_domain_SQL.sh
   ADD iredmail/iredmail-install.service /etc/systemd/system/iredmail-install.service
   
   RUN chmod +x /opt/iredmail/iredmail.sh
  
positive.code: # Connect bash:
  # docker exec -it container_name bash
  
  
  # Pull base image
  FROM zokeber/centos
  
  # Maintener
  MAINTAINER Daniel Lopez Monagas <zokeber@gmail.com>
  
  # Env
  ENV IREDMAIL_VERSION 0.9.2
  ENV container docker
  
  # Install packages necessary:
  RUN yum update -y; \
      yum install -y tar bzip2 hostname rsyslog
  
  # Install packages neccesary to install iredmail server
  RUN yum install -y postfix openldap openldap-clients openldap-servers maria mariadb-server mod_ldap php-common php-gd php-xml php-mysql php-ldap php-pgsql php-imap php-mbstring php-pecl-apc php-intl php-mcrypt nginx php-fpm cluebringer dovecot dovecot-pigeonhole dovecot-mysql clamav clamav-update clamav-server clamav-server-systemd amavisd-new spamassassin altermime perl-LDAP perl-Mail-SPF unrar
  
  
  # Get iredmail, extract and remove tar
  RUN mkdir -p /opt/iredmail; \
  
negative.code: # Set volume for systemd
  VOLUME [ "/sys/fs/cgroup" ]
  
  # Open Ports:
  # Apache: 80/tcp, 443/tcp Postfix: 25/tcp, 587/tcp
  # Dovecot: 110/tcp, 143/tcp, 993/tcp, 995/tcp
  EXPOSE 80 443 25 587 110 143 993 995
  
  