Exception "Failed to load the librdkafka native library" when building consumer using 1.0.0-beta3

Description

Getting the following exception when building a consumer using 1.0.0-beta3:

Unhandled Exception: System.DllNotFoundException: Failed to load the librdkafka native library. at Confluent.Kafka.Impl.Librdkafka.Initialize(String userSpecifiedPath) at Confluent.Kafka.Consumer2..ctor(ConsumerBuilder2 builder) at Confluent.Kafka.ConsumerBuilder2.Build() at Confluent.Kafka.Examples.ConsumerExample.Program.Run_Consume(String brokerList, List1 topics, CancellationToken cancellationToken) in /src/confluent-kafka-dotnet/examples/Consumer/Program.cs:line 60 at Confluent.Kafka.Examples.ConsumerExample.Program.Main(String[] args) in /src/confluent-kafka-dotnet/examples/Consumer/Program.cs:line 192 Abort trap: 6

How to reproduce

Run the Consumer example console app using 1.0.0-beta3. (https://github.com/confluentinc/confluent-kafka-dotnet/tree/master/examples/Consumer)

If I run the Consumer example app with from the 1.0.0-beta2 release, it works without error.

Checklist

Please provide the following information:

• Confluent.Kafka nuget version: 1.0.0-beta3
• Apache Kafka version:
• Client configuration:
• Operating system: OSX 10.13.6 (17G65)
• Provide logs (with “debug” : “…” as necessary in configuration)
• Provide broker log excerpts
• Critical issue

[ratri-git]

Use this in dockerfile , it was installed and worked fine.

FROM mcr.microsoft.com/dotnet/core/runtime:3.0 AS runtime
RUN apt-get update -y
RUN apt-get install -y librdkafka-dev

If you have any errors i will share my full dockerfile

[edenhill]

The workaround for now is brew install zstd on osx