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# Overlay Network
Documentation for developing and building the overlay network component of the Storj node.
## Running as a cache server
To run a cache, you'll need a running instance of Redis.
Using docker is the fastest way to get a redis instance up and running.
`docker run -p 6379:6379 --name -d redis`
Once you have that running, build the binary.
`go build cmd/overlay/main.go`
Then you can run the node with the -cache flag
`./main -cache localhost:6379`
