通过curl来测试docker对外访问是否正常，这里测试Docker tomcat容器访问：
[root@mysqlserver ~]# curl http://172.17.0.8:8080 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <title>Apache Tomcat/8.5.16</title> <link href="favicon.ico" rel="icon" type="image/x-icon" /> <link href="favicon.ico" rel="shortcut icon" type="image/x-icon" /> <link href="tomcat.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="wrapper"> <div id="navigation" class="curved container"> <span id="nav-home"><a href="http://tomcat.apache.org/">Home</a></span> <span id="nav-hosts"><a href="/docs/">Documentation</a></span> <span id="nav-config"><a href="/docs/config/">Configuration</a></span> <span id="nav-examples"><a href="/examples/">Examples</a></span> <span id="nav-wiki"><a href="http://wiki.apache.org/tomcat/FrontPage">Wiki</a></span> <span id="nav-lists"><a href="http://tomcat.apache.org/lists.html">Mailing Lists</a></span> <span id="nav-help"><a href="http://tomcat.apache.org/findhelp.html">Find Help</a></span> <br class="separator" /> </div> <div id="asf-box"> <h1>Apache Tomcat/8.5.16</h1> </div> <div id="upper" class="curved container"> <div id="congrats" class="curved container"> <h2>If you're seeing this, you've successfully installed Tomcat. Congratulations!</h2> </div> <div id="notice"> <img src="tomcat.png" alt="[tomcat logo]" /> <div id="tasks"> <h3>Recommended Reading:</h3> <h4><a href="/docs/security-howto.html">Security Considerations HOW-TO</a></h4> <h4><a href="/docs/manager-howto.html">Manager Application HOW-TO</a></h4> <h4><a href="/docs/cluster-howto.html">Clustering/Session Replication HOW-TO</a></h4> </div> </div> <div id="actions"> <div class="button"> <a class="container shadow" href="/manager/status"><span>Server Status</span></a> </div> <div class="button"> <a class="container shadow" href="/manager/html"><span>Manager App</span></a> </div> <div class="button"> <a class="container shadow" href="/host-manager/html"><span>Host Manager</span></a> </div> </div> <!-- <br class="separator" /> --> <br class="separator" /> </div> <div id="middle" class="curved container"> <h3>Developer Quick Start</h3> <div class="col25"> <div class="container"> <p><a href="/docs/setup.html">Tomcat Setup</a></p> <p><a href="/docs/appdev/">First Web Application</a></p> </div> </div> <div class="col25"> <div class="container"> <p><a href="/docs/realm-howto.html">Realms & AAA</a></p> <p><a href="/docs/jndi-datasource-examples-howto.html">JDBC DataSources</a></p> </div> </div> <div class="col25"> <div class="container"> <p><a href="/examples/">Examples</a></p> </div> </div> <div class="col25"> <div class="container"> <p><a href="http://wiki.apache.org/tomcat/Specifications">Servlet Specifications</a></p> <p><a href="http://wiki.apache.org/tomcat/TomcatVersions">Tomcat Versions</a></p> </div> </div> <br class="separator" /> </div> <div id="lower"> <div id="low-manage" class=""> <div class="curved container"> <h3>Managing Tomcat</h3> <p>For security, access to the <a href="/manager/html">manager webapp</a> is restricted. Users are defined in:</p> <pre>$CATALINA_HOME/conf/tomcat-users.xml</pre> <p>In Tomcat 8.5 access to the manager application is split between different users. <a href="/docs/manager-howto.html">Read more...</a></p> <br /> <h4><a href="/docs/RELEASE-NOTES.txt">Release Notes</a></h4> <h4><a href="/docs/changelog.html">Changelog</a></h4> <h4><a href="http://tomcat.apache.org/migration.html">Migration Guide</a></h4> <h4><a href="http://tomcat.apache.org/security.html">Security Notices</a></h4> </div> </div> <div id="low-docs" class=""> <div class="curved container"> <h3>Documentation</h3> <h4><a href="/docs/">Tomcat 8.5 Documentation</a></h4> <h4><a href="/docs/config/">Tomcat 8.5 Configuration</a></h4> <h4><a href="http://wiki.apache.org/tomcat/FrontPage">Tomcat Wiki</a></h4> <p>Find additional important configuration information in:</p> <pre>$CATALINA_HOME/RUNNING.txt</pre> <p>Developers may be interested in:</p> <ul> <li><a href="http://tomcat.apache.org/bugreport.html">Tomcat 8.5 Bug Database</a></li> <li><a href="/docs/api/index.html">Tomcat 8.5 JavaDocs</a></li> <li><a href="http://svn.apache.org/repos/asf/tomcat/tc8.5.x/">Tomcat 8.5 SVN Repository</a></li> </ul> </div> </div> <div id="low-help" class=""> <div class="curved container"> <h3>Getting Help</h3> <h4><a href="http://tomcat.apache.org/faq/">FAQ</a> and <a href="http://tomcat.apache.org/lists.html">Mailing Lists</a></h4> <p>The following mailing lists are available:</p> <ul> <li id="list-announce"><strong><a href="http://tomcat.apache.org/lists.html#tomcat-announce">tomcat-announce</a><br /> Important announcements, releases, security vulnerability notifications. (Low volume).</strong> </li> <li><a href="http://tomcat.apache.org/lists.html#tomcat-users">tomcat-users</a><br /> User support and discussion </li> <li><a href="http://tomcat.apache.org/lists.html#taglibs-user">taglibs-user</a><br /> User support and discussion for <a href="http://tomcat.apache.org/taglibs/">Apache Taglibs</a> </li> <li><a href="http://tomcat.apache.org/lists.html#tomcat-dev">tomcat-dev</a><br /> Development mailing list, including commit messages </li> </ul> </div> </div> <br class="separator" /> </div> <div id="footer" class="curved container"> <div class="col20"> <div class="container"> <h4>Other Downloads</h4> <ul> <li><a href="http://tomcat.apache.org/download-connectors.cgi">Tomcat Connectors</a></li> <li><a href="http://tomcat.apache.org/download-native.cgi">Tomcat Native</a></li> <li><a href="http://tomcat.apache.org/taglibs/">Taglibs</a></li> <li><a href="/docs/deployer-howto.html">Deployer</a></li> </ul> </div> </div> <div class="col20"> <div class="container"> <h4>Other Documentation</h4> <ul> <li><a href="http://tomcat.apache.org/connectors-doc/">Tomcat Connectors</a></li> <li><a href="http://tomcat.apache.org/connectors-doc/">mod_jk Documentation</a></li> <li><a href="http://tomcat.apache.org/native-doc/">Tomcat Native</a></li> <li><a href="/docs/deployer-howto.html">Deployer</a></li> </ul> </div> </div> <div class="col20"> <div class="container"> <h4>Get Involved</h4> <ul> <li><a href="http://tomcat.apache.org/getinvolved.html">Overview</a></li> <li><a href="http://tomcat.apache.org/svn.html">SVN Repositories</a></li> <li><a href="http://tomcat.apache.org/lists.html">Mailing Lists</a></li> <li><a href="http://wiki.apache.org/tomcat/FrontPage">Wiki</a></li> </ul> </div> </div> <div class="col20"> <div class="container"> <h4>Miscellaneous</h4> <ul> <li><a href="http://tomcat.apache.org/contact.html">Contact</a></li> <li><a href="http://tomcat.apache.org/legal.html">Legal</a></li> <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li> <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li> </ul> </div> </div> <div class="col20"> <div class="container"> <h4>Apache Software Foundation</h4> <ul> <li><a href="http://tomcat.apache.org/whoweare.html">Who We Are</a></li> <li><a href="http://tomcat.apache.org/heritage.html">Heritage</a></li> <li><a href="http://www.apache.org">Apache Home</a></li> <li><a href="http://tomcat.apache.org/resources.html">Resources</a></li> </ul> </div> </div> <br class="separator" /> </div> <p class="copyright">Copyright ©1999-2017 Apache Software Foundation. All Rights Reserved</p> </div> </body> </html>
纸上得来终觉浅，绝知此事要躬行。
