Running strapi locally

I get the following. Do we need to do anything speacial to install postgres?

  Loading Strapi[ERROR]  There seems to be an unexpected error, try again with --debug for more 
    information
  │   Error: connect ECONNREFUSED 127.0.0.1:5432
  │       at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1495:16)