In this video we create a local bitcoin testnet within a docker container. Then we'll connect to our testnet from Bitcoin-Qt on our desktop (host) machine.
Here's the docker box we're going to use: https://github.com/freewil/bitcoin-te...
Essentially, run: docker pull freewil/bitcoin-testnet-box docker run -t -i --name bitcoind -P -p 49020:19000 freewil/bitcoin-testnet-box make start
Now we'll have a local testnet we can use for test transactions.