BTruer

import os, sys

allTheFiles = os.listdir(os.getcwd()) #This is a list of all the files in your directory 
for filename in allTheFiles:          #Each filename is grabed from the list as a string
    if("Certain String is in the filename" in filename): #This is an additional check to see if there are only certain files you want to change. Else this check is not needed if you want to change all the files.
        os.rename(filename ,"New file name" + filename[33:])  #os.rename(<oldFileName>,<newFileName>); The filename[10:] is if you may want to keep certain parts of the old file name. For help look up python string methods.
print "Rename Complete"

BTruer

Have docker installed on your machine.

Copy this file:
docker-compose.yml
# Use postgres/example user/password credentials
version: '3.1'
#https://hub.docker.com/_/postgres/
services:

  db: