Cargo Features

[dependencies]
lambda_http = { version = "0.10.0", default-features = false, features = ["apigw_websockets", "alb", "pass_through", "tracing"] }
default = alb, apigw_http, apigw_rest, apigw_websockets, tracing

These default features are set whenever lambda_http is added without default-features = false somewhere in the dependency tree.

apigw_rest apigw_http apigw_websockets default
alb default
pass_through
tracing default

Enables tracing of lambda_runtime

lambda-http has 5 features without comments.