APIVersionMiddleware compares the API version with own version.

DBMiddleware setup DB context in request.

Injecter injects dependencies from Dependency into Middleware at request time.

RecoverMiddleware recover from panic.

DBMiddleware setup Redis context in request.

RequestIDMiddleware add random request id to request context.

ValidateHostMiddleware validate incoming request has correct Host header.

InjectableMiddleware is a pointer to a struct with `dependency:` tags.

InjectableMiddlewareFactory allows creating middleware per request.