External Docker access with Cloudflare Tunnels

If You run dockers and want to access those docker outside your network without having to open up your ports this is the way todo it. so grab a coffee because i think you are going to like this. i have split it up into Sections to easily Follow.

First things first lets setup Cloudflare tunnel.

Step 1.

login to Cloudflare and goto Networks / Tunnels and the select create a tunnel

Step 2

Create a Tunnel, Under Tunnels Select CloudFlared

Step 3

Give your tunnel a name and select Save

Step 4

Now you should have a screen like below. Select Docker, This will give you a key that you need for the tunnel

Step 5

Select the box to the right to copy the key, should look somthing like below.

docker run cloudflare/cloudflared:latest tunnel --no-autoupdate run --token eyJhIjoiOWE1MjUxNDA1OTA0Njk3ZmFmMTQ3ODU3Njc5YzFmMTEiLCJ0IjoiMjA5MDM0YTctY2M0Yi00NGQ2LWIyODQtZjM3N2E2ZTVhOWJhIiwicyI6Ik1EUTVOemc0WmpNdE5HVTVPQzAwWkdSaExUaGlNRFV0TkRaaFltWmpNakZoTjJRdyJ9

Now we have the key we can now create the Container that will update Cloudflare and give you access to the Network.

Step 6

Load up DSM and create the following folder

Steps 7

now create a new container mananger project

now copy the following into the box

version: '3.8'

services:
  cloudflared:
    image: cloudflare/cloudflared:latest
    container_name: cloudflared
    command: tunnel --no-autoupdate run --token fdsdsgfgfdgdfgdfgdfgdgdgfgdfhghghgfhghgfhfghgfhgfhfghfghfghfghfghf
   
    networks:
      - host #a name for the Cloudflare Network
    restart: unless-stopped

networks:
  host: #a name for the Cloudflare Network

now the project should look somthing like this

step 8

now replace

fdsdsgfgfdgdfgdf

with your key like this

tunnel --no-autoupdate run --token eyJhIjoiOWE1MjUxNDA1OTA0Njk3ZmFmMTQ3ODU3Njc5YzFmMTEiLCJ0IjoiMjA5MDM0YTctY2M0Yi00NGQ2LWIyODQtZjM3N2E2ZTVhOWJhIiwicyI6Ik1EUTVOemc0WmpNdE5HVTVPQzAwWkdSaExUaGlNRFV0TkRaaFltWmpNakZoTjJRdyJ9

to look like this