> On 8 Nov 2023, at 9:36 pm, Timothy Sipples <sipp...@sg.ibm.com> wrote:
> 
> Dave Jousma wrote:
> 
>> Thanks Timothy.  Yep found all that, have the instance up and working just 
>> fine
> 
>> it’s the peer to peer networking that is not working.   The fine folks at
> 
>> Rocket indicate that their software is picking up the internal container IP,
> 
>> and not using the Host IP causing the problem.   They are working up their 
>> own
> 
>> testing, and believe that docker overlay networking can resolve this.
> 
> 
> 
> OK, it’s interesting the software works that way.
> 

What software are you referring to, Docker? That’s fundamental to how Docker 
networking works. Publishing ports using “-p <portnum>” doesn’t make the 
services discoverable in docker containers. You meed overlay networking. TE Web 
is a typical clustering architecture using active/passive HA. You will also 
find that you can not run curl from within a Docker image. Most docker 
containers are built to take up as small a footprint as necessary so utilities 
like curl are not installed and you cannot instal them using apt if security 
keys are not enabled, which is best practice. 


> 
> (“Thinking out loud...”) Could you run a “bigger” Linux container image that 
> includes a VPN tunnel (such as WireGuard) to connect these two peers with one 
> another to work around the issue?

Why not just use a Docker clustering such as swarm instead of hacking together 
solutions that don’t work?
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