connection to mongo on heroku: first attempt
connection to mongo on heroku: second attempt
connection to mongo on heroku: secon attempt
connection to mongo on heroku: attempt#3
connection to mongo on heroku: attempt#4
connection to mongo on heroku: attempt#5
connection to mongo on heroku: attempt#6
connection to mongo on heroku: attempt#6
connection to mongo on heroku: attempt#7
connection to mongo on heroku: attempt#7
connection to mongo on heroku: attempt#7
connection to mongo on heroku: attempt#7
connection to mongo on heroku: attempt#8
connection to mongo on heroku: attempt#8
connection to mongo on heroku: attempt#8
connection to mongo on heroku: attempt#8
connection to mongo on heroku: attempt#9
connection to mongo on heroku: attempt#9
connection to mongo on heroku: attempt#10
connection to mongo on heroku: attempt#11