Response Compression

use grpc_graphql_gateway::{Gateway, CompressionConfig, CompressionLevel};

let gateway = Gateway::builder()
    .with_descriptor_set_bytes(DESCRIPTORS)
    .with_compression(CompressionConfig {
        enabled: true,
        level: CompressionLevel::Default,
        min_size_bytes: 1024,  // Only compress responses > 1KB
        algorithms: vec!["br".into(), "gzip".into()],
    })
    .build()?;

// Fast compression for low latency
Gateway::builder().with_compression(CompressionConfig::fast())

// Best compression for bandwidth savings
Gateway::builder().with_compression(CompressionConfig::best())

// Default balanced configuration
Gateway::builder().with_compression(CompressionConfig::default())

// Disable compression
Gateway::builder().with_compression(CompressionConfig::disabled())

Accept-Encoding: br, gzip, deflate

# Request with brotli
curl -H "Accept-Encoding: br" \
  -X POST http://localhost:8888/graphql \
  -H "Content-Type: application/json" \
  -d '{"query": "{ users { id name email } }"}' \
  --compressed -v

# Check Content-Encoding header in response
< Content-Encoding: br