DNS resolution failed

Error: 14 UNAVAILABLE: DNS resolution failed
wallet-transfer-1_1 | at Object.exports.createStatusError (/app/node_modules/grpc/src/common.js:91:15)
wallet-transfer-1_1 | at Object.onReceiveStatus (/app/node_modules/grpc/src/client_interceptors.js:1204:28)
wallet-transfer-1_1 | at InterceptingListener._callNext (/app/node_modules/grpc/src/client_interceptors.js:568:42)
wallet-transfer-1_1 | at InterceptingListener.onReceiveStatus (/app/node_modules/grpc/src/client_interceptors.js:618:8)
wallet-transfer-1_1 | at callback (/app/node_modules/grpc/src/client_interceptors.js:845:24)
wallet-transfer-1_1 | code: 14,

Source: StackOverflow