I use regtest to call loopd rpc api getinfo,got:14 UNAVAILABLE: No connection established.

[jimtracy1007]

version: "3"
services:
  bitcoind:
    image: ruimarinho/bitcoin-core:23
    container_name: bitcoind
    restart: unless-stopped
    networks:
      regtest:
        aliases:
          - bitcoind
    command:
      - "-txindex"
      - "-regtest"
      - "-rest"
      - "-printtoconsole"
      - "-zmqpubrawblock=tcp://0.0.0.0:28332"
      - "-zmqpubrawtx=tcp://0.0.0.0:28333"
      - "-rpcport=18443"
      - "-rpcbind=0.0.0.0"
      # This is just the hashed string "lightning" with a salt.
      - "-rpcauth=lightning:8492220e715bbfdf5f165102bfd7ed4$$88090545821ed5e9db614588c0afbad575ccc14681fb77f3cae6899bc419af67"
      - "-rpcallowip=0.0.0.0/0"
      - "-fallbackfee=0.0002"
      - "-peerblockfilters=1"
      - "-blockfilterindex=1"
      - "-wallet=/home/bitcoin/.bitcoin/regtest/wallets/miner"
    environment:
      - HOME=/home/bitcoin
    volumes:
      - ./bitcoind:/home/bitcoin/.bitcoin

  lndserver:
    image: lightninglabs/lnd:v0.17.4-beta
    container_name: lndserver
    restart: unless-stopped
    networks:
      regtest:
        aliases:
          - lndserver
    volumes:
      - "./lndserver:/root/.lnd"
    depends_on:
      - bitcoind
    command:
      - "--logdir=/root/.lnd"
      - "--alias=lndserver"
      - "--rpclisten=0.0.0.0:10009"
      - "--noseedbackup"
      - "--bitcoin.active"
      - "--bitcoin.regtest"
      - "--bitcoin.node=bitcoind"
      - "--bitcoind.rpchost=bitcoind"
      - "--bitcoind.rpcuser=lightning"
      - "--bitcoind.rpcpass=lightning"
      - "--bitcoind.zmqpubrawblock=tcp://bitcoind:28332"
      - "--bitcoind.zmqpubrawtx=tcp://bitcoind:28333"
      - "--debuglevel=debug"
      - "--externalip=lndserver"
      - "--tlsextradomain=lndserver"

  loopserver:
    image: lightninglabs/loopserver
    container_name: loopserver
    restart: unless-stopped
    networks:
      regtest:
        aliases:
          - loopserver
    volumes:
      - "./lndserver:/root/.lnd"
    depends_on:
      - lndserver
    expose:
      - "11009"
    ports:
      - "11009:11009"
    command:
      - "daemon"
      - "--maxamt=5000000"
      - "--lnd.host=lndserver:10009"
      - "--lnd.macaroondir=/home/loopserver/"
      - "--lnd.tlspath=/home/loopserver/tls.cert"
      - "--bitcoin.host=bitcoind:18443"
      - "--bitcoin.user=lightning"
      - "--bitcoin.password=lightning"
      - "--bitcoin.zmqpubrawblock=tcp://bitcoind:28332"
      - "--bitcoin.zmqpubrawtx=tcp://bitcoind:28333"

  lndclient:
    image: lightninglabs/lnd:v0.17.4-beta
    container_name: lndclient
    restart: unless-stopped
    networks:
      regtest:
        aliases:
          - lndclient
    volumes:
      - "./lndclient:/root/.lnd"
    expose:
      - "8080"
      - "10009"
      - "9735"
    ports:
      - "10009:10009"
    depends_on:
      - bitcoind
    command:
      - "--logdir=/root/.lnd"
      - "--alias=lndclient"
      - "--rpclisten=0.0.0.0:10009"
      - "--noseedbackup"
      - "--bitcoin.active"
      - "--bitcoin.regtest"
      - "--bitcoin.node=bitcoind"
      - "--bitcoind.rpchost=bitcoind"
      - "--bitcoind.rpcuser=lightning"
      - "--bitcoind.rpcpass=lightning"
      - "--bitcoind.zmqpubrawblock=tcp://bitcoind:28332"
      - "--bitcoind.zmqpubrawtx=tcp://bitcoind:28333"
      - "--debuglevel=debug"
      - "--externalip=lndclient"
      - "--tlsextradomain=lndclient"

  loopclient:
    image: loopd
    container_name: loopclient
    build:
      context: ../
      dockerfile: Dockerfile
    restart: unless-stopped
    networks:
      regtest:
        aliases:
          - loopclient
    volumes:
      - "./lndclient:/root/.lnd"
      - "./lndclient/loop:/root/.loop"
    expose:
      - "8081"
      - "11010"
    ports:
      - "11010:11010"
      - "8081:8081"
    depends_on:
      - lndclient
      - loopserver
    command:
      - "loopd"
      - "--network=regtest"
      - "--debuglevel=debug"
      - "--server.host=loopserver:11009"
      - "--server.notls"
      - "--lnd.host=lndclient:10009"
      - "--lnd.macaroonpath=/root/.lnd/data/chain/bitcoin/regtest/admin.macaroon"
      - "--lnd.tlspath=/root/.lnd/tls.cert"

networks:
  regtest:

 {
  host: '127.0.0.1:11010',
  certFilePath: '/Users/wjl/Documents/gamichi/2024/loop/regtest/lndclient/loop/regtest/tls.cert',
  macaroonFilePath: '/Users/wjl/Documents/gamichi/2024/loop/regtest/lndclient/loop/regtest/loop.macaroon'
}
const loaderOptions = {
    keepCase: true,
    longs: String,
    enums: String,
    defaults: true,
    oneofs: true,
  };
  process.env.GRPC_SSL_CIPHER_SUITES = 'HIGH+ECDSA';
  const tlsCert = certFilePath ? fs.readFileSync(certFilePath) : '';
  const sslCreds = grpc.credentials.createSsl(tlsCert);
  if (!macaroonFilePath) {
    throw new Error('macaroonFilePath is required')
  }
  const macaroon = fs.readFileSync(macaroonFilePath).toString('hex');
  const macaroonCreds = grpc.credentials.createFromMetadataGenerator(function (args, callback) {
    let metadata = new grpc.Metadata();
    metadata.add('macaroon', macaroon);
    callback(null, metadata);
  });
  let creds = grpc.credentials.combineChannelCredentials(sslCreds, macaroonCreds);
  const packageDefinition = protoLoader.loadSync(protoClient, loaderOptions);
  const looprpc = grpc.loadPackageDefinition(packageDefinition).looprpc;
  let client = new looprpc.SwapClient(host, creds);


  return client
  
  const getInfo = () => {
    return new Promise((resolve, reject) => {
      client.getInfo({}, function (err, response) {
        if (err) {
          reject(err)

        }
        resolve(response)
      });
    })
  }
  

❌ ~ getRepayByMessage ~ e.message: 14 UNAVAILABLE: No connection established. Last error: Client network socket disconnected before secure TLS connection was established (2024-05-20T12:11:41.245Z)

[jimtracy1007]

How to constructor creds and let it work.