BTC full node very slow block downloads I have a server with 32 Gigs of ram and running the node on a docker container using Bitcoin Core Daemon version v0.15  with 8333 ports mapped 

Nodes been running for 2.5 weeks still 300k blocks and most of the time connectioncount is 0, only once I saw it jumped up to 60
I even increased the dhcache

why is it taking so long ? How do I speed things up ? for most of the guys it took only 1-2 weeks 



Update
01- This is my setup 


02- It was working fine and when I checked weather ports are open from outside network before 300k sync
I - https://www.yougetsignal.com/tools/open-ports/ 
Two weeks before 8333 OPEN 
Now 8333 OPEN

II - https://bitnodes.earn.com/#join-the-network
Two weeks before 8333 OPEN and Reachable
NOW unreachable 

III- Connection speed 10 MB
You won't be able to sync without having any connections. The problem is that you have 0 connections; make sure that you don't have any firewalls (either in your docker container, the host, your router, or your ISP) that is blocking Bitcoin traffic.