Docker pull Tomcat image and install boot

First, Docker pulls the Tomcat image, as shown in figure:

Second, install the Tomcat container, as shown:

Note:
--link Connect to MySQL (otherwise the DB cannot be accessed.) Each container is independent)

Tomcat_mysql is an alias. DB configured as: tomcat_mysql:3306

Third, if the 80 port is occupied, then stop Tomcat and remove the Tomcat container, as shown in figure:

Four, replace the port of step two can be

Five, visit, as shown:

VI. If tomcat already exists, it needs to be started, as shown in figure:

Seven, look at the Tomcat log, as shown: