Added description for the labs page, dockerfile

i2p2www/pages/downloads/lab.html

@@ -174,6 +174,13 @@ The files are signed by {{ signer }},
   <p>{% trans -%}
   Run the command to pull from docker hub.
   {%- endtrans %}</p>
+  <br>
+  <p>{% trans -%}
+
+  {%- endtrans %}</p>
+  Bugs can be reported on <a href="https://trac.i2p2.de/newticket?component=package/docker">trac</a> (With component set to package/docker).
+  The source code (Dockerfile) can be found at our repository. You can also view it at github, <a href="https://github.com/i2p/i2p.i2p/blob/master/Dockerfile">here</a>.
+  The ports 7654,7656,7657,7658,4444,6668,8998,7659,7660 and 4445 are exposed (tcp) but some depends on your router config if they are up or not, and would be off by default.
   {% endcall %}
 </div>