Docker is a tool that enables developers to ship and run applications such as a Mysterium Node by the use of containers. A container holds all the required libraries, services and other application dependencies and ships it as a single package.

The advantage of docker is that it requires a lot less computing power when compared to virtual machines as it reuses the kernel of the operating system on the host machine and isolates the containerized application from global system settings and environmental factors. This makes it easy to run applications without worrying about the operating system compatibility issues, as well as collisions with other installed software or system configuration.

Start your node with the following command (custom port=25007 is used for the example below): 

docker run --cap-add NET_ADMIN -p -p 25007:25007/udp \
           --rm --name myst \
           -v $YOUR_MYSTERIUM_DIR:/var/lib/mysterium-node \
           mysteriumnetwork/myst \
           --experiment-natpunching=false \
           service \
           --agreed-terms-and-conditions \

Replace $YOUR_MYSTERIUM_DIR with the path where you'd like to store the node's configuration and keystore files, e.g. 

export YOUR_MYSTERIUM_DIR=~/.mysterium
  1. Turn off NAT Traversal (port hole punching): --experiment-natpunching=false
  2. Map Docker container ports manually: container port 25007 to [YOUR_LOCAL_NETWORK_IP]:25007
  3. Once that is done, switch to your router and map the necessary custom port from router to your local machine: [YOUR_PUBLIC_IP]:25007 to -> [YOUR_LOCAL_NETWORK_IP]:25007. Your local machine should be publicly exposed via router.

Please note that such configuration can be used for Mac and Windows based Docker nodes while for Linux host based Docker nodes there is no need to run such port mapping configuration.

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