[ADMIN] read-only database on CD-ROM?

[Dragan Matic]

Is it possible to set up a read-only database on external data carrier 
such as CD-ROM or DVD? I couldn't find anything similar in postgres 
documentation. I have an old database  which I would like to put on to 
CD-ROM and to be able to read it occasionaly. I appreciate any hint if 
that would be possible or link to documentation.
Thanks in advance

Dragan Matic
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