docker-entrypoint.sh

#!/bin/bash
set -e

if [[ "$1" == "bitcoin-cli" || "$1" == "bitcoin-tx" || "$1" == "bitcoind" || "$1" == "test_bitcoin" ]]; then
    mkdir -p "$BITCOIN_DATA"

    if [[ ! -s "$BITCOIN_DATA/bitcoin.conf" ]]; then
	cat <<-EOF > "$BITCOIN_DATA/bitcoin.conf"
	printtoconsole=1
	rpcallowip=::/0
	rpcpassword=${BITCOIN_RPC_PASSWORD:-password}
	rpcuser=${BITCOIN_RPC_USER:-bitcoin}
    testnet=1
	EOF
        chown bitcoin:bitcoin "$BITCOIN_DATA/bitcoin.conf"
    fi

    # ensure correct ownership and linking of data directory
    # we do not update group ownership here, in case users want to mount
    # a host directory and still retain access to it
    chown -R bitcoin "$BITCOIN_DATA"
    ln -sfn "$BITCOIN_DATA" /home/bitcoin/.bitcoin
    chown -h bitcoin:bitcoin /home/bitcoin/.bitcoin

    exec gosu bitcoin "$@"
fi

exec "$@"