Microservice transports in NestJS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the transport type for a microservice in NestJS.

NestJS

const microservice = app.connectMicroservice({ transport: Transport.[1] });

Drag options to blanks, or click blank then click option'

ATCP

BGRPC

CHTTP

DWEBSOCKET

Attempts:

3 left

💡 Hint

Common Mistakes

Using HTTP as a transport in microservice setup instead of TCP.

Confusing GRPC with TCP transport.

The Transport.TCP option sets the microservice to use TCP transport, which is common for NestJS microservices.

2fill in blank

medium

Complete the code to create a microservice client using Redis transport in NestJS.

NestJS

const client = ClientProxyFactory.create({ transport: Transport.[1], options: { url: 'redis://localhost:6379' } });

Drag options to blanks, or click blank then click option'

AREDIS

BTCP

CMQTT

DNATS

Attempts:

3 left

💡 Hint

Common Mistakes

Using TCP transport with Redis URL.

Confusing MQTT or NATS with Redis transport.

The Transport.REDIS option configures the client to use Redis as the transport layer for messaging.

3fill in blank

hard

Fix the error in the microservice setup by selecting the correct transport option.

NestJS

app.connectMicroservice({ transport: Transport.[1] });

Drag options to blanks, or click blank then click option'

AHTTP

BTCP

CGRPC

DREDIS

Attempts:

3 left

💡 Hint

Common Mistakes

Using TCP or HTTP transport for gRPC microservices.

Misspelling the transport option.

For gRPC transport, use Transport.GRPC to properly configure the microservice.

4fill in blank

hard

Fill both blanks to configure a microservice with MQTT transport and specify the broker URL.

NestJS

app.connectMicroservice({ transport: Transport.[1], options: { url: '[2]' } });

Drag options to blanks, or click blank then click option'

AMQTT

Bredis://localhost:6379

Cmqtt://broker.hivemq.com

DTCP

Attempts:

3 left

💡 Hint

Common Mistakes

Using Redis URL with MQTT transport.

Using TCP transport with MQTT broker URL.

Use Transport.MQTT for MQTT transport and specify the broker URL like mqtt://broker.hivemq.com.

5fill in blank

hard

Fill all three blanks to create a client proxy with NATS transport, specify the URL, and set the queue name.

NestJS

const client = ClientProxyFactory.create({ transport: Transport.[1], options: { url: '[2]', queue: '[3]' } });

Drag options to blanks, or click blank then click option'

ANATS

Bnats://localhost:4222

Cmy_queue

Dmqtt://broker.hivemq.com

Attempts:

3 left

💡 Hint

Common Mistakes

Using MQTT URL with NATS transport.

Omitting the queue name in options.

Use Transport.NATS for NATS transport, specify the NATS server URL, and set the queue name as needed.