$ cd Documents/Yamalabo/bitcoin/signet
$ cat <<EOF > bitcoin.conf
printtoconsole=1
signet=1
txindex=1
server=1
rest=1
[signet]
rpcuser=hoge
rpcpassword=hoge
rpcport=38332
rpcbind=0.0.0.0
rpcallowip=0.0.0.0/0
port=38333
fallbackfee=0.0002
EOF

$ docker run -d --name bitcoin_node_signet -p 38332:38332 -v "$(pwd)"/bitcoin.conf:/home/bitcoin/.bitcoin/bitcoin.conf -v bitcoin_data_signet:/home/bitcoin/.bitcoin ruimarinho/bitcoin-core:23