Je reçois
> sudo apt-get install postgresql-8.3
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package postgresql-8.3 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'postgresql-8.3' has no installation candidate
J'ai besoin de la v8.3 pour correspondre à mon serveur de production (Heroku). Merci!