How to Resolve 'google/api/annotations.proto' Dependency Issues in gRPC Gateway Generation?

Adding 'google/api/annotations.proto' Dependency in gRPC Gateway Generation

As you've discovered, generating a gRPC gateway can be halted by the error related to the missing 'google/api/annotations.proto' file. To resolve this, you need to include the file as a dependency.

The documentation instructs you to provide the necessary third-party files to the protoc compiler, but it doesn't specify how this should be done.

Solution:

The preferred way to add 'google/api/annotations.proto' as a dependency is to download it from the Google API repository and place it in your project's root directory. This will ensure that the protoc compiler can locate and include it during gateway generation.

As an alternative, some users have reported adding the necessary third-party APIs and their contents to the root of their project. While this approach may work, it's generally discouraged and may lead to potential issues in the future.

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