cURL error 7: Failed to connect to localhost port 8332: Connection refused

i try to run https://github.com/denpamusic/laravel-bitcoinrpc . here my env

BITCOIND_SCHEME=http
BITCOIND_HOST=127.0.0.1
BITCOIND_PORT=8332
BITCOIND_USER=someuser
BITCOIND_PASSWORD=somepassword

and i run localhost:8000 .. it show

cURL error 7: Failed to connect to localhost port 8332: Connection refused

here its documentation

https://laravel-bitcoinrpc.denpa.pro/docs/install/

Can someone help me what is this problem .how can solve