Question 272581 in PHP Question posted in
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Php – Docker & grpc: client request using container image name

I cannot use the container image name (ex: ‘dns://container-name:50051’), but only the ip adress of the container.

I am using a php client to call a grpc microservice.

When i try to connect using the container image name i have that following error message
Failed to create secure client channel

Any idea?

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2

Answers


  1. Chosen as BEST ANSWER
    0 
    public function Healthcheck(): HealthcheckResponse|false
{
    $url = 'dns://server-grpc'; // doesn't work
    $url = '172.18.0.99:50051'; // works
    

    $client = new TestClient($url, [
        'credentials' => ChannelCredentials::createInsecure(),
    ]);

    $request = new HealthcheckRequest();

    list($reply, $status) = $client->Healthcheck($request)->wait();

    if(! $this->errorsHandler($status, $reply)) {
        return false;
    }

    return $reply;
}

  2. 0 
    services:
    client:
        extra_hosts:
            - server-grpc:172.18.0.99
...

    That is my docker compose

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