Use server_context for SSL.

falcon.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
 	spec.add_dependency("rack", ">= 1.0")
 
 	spec.add_dependency('samovar', "~> 1.3")
-	spec.add_dependency('localhost', "~> 1.0")
+	spec.add_dependency('localhost', "~> 1.1")
 
 	spec.add_development_dependency "async-rspec", "~> 1.7"
 	spec.add_development_dependency "async-websocket", "~> 0.6.0"

lib/falcon/command/serve.rb

@@ -71,7 +71,7 @@ def load_app(verbose)
 			def run(verbose)
 				app, options = load_app(verbose)
 
-				endpoint = Endpoint.parse(@options[:bind], reuse_port: true, **@options)
+				endpoint = Endpoint.parse(@options[:bind], reuse_port: true)
 
 				bound_endpoint = Async::Reactor.run do
 					Async::IO::SharedEndpoint.bound(endpoint)

lib/falcon/endpoint.rb

@@ -33,10 +33,7 @@ def build_endpoint(endpoint = nil)
 		def build_ssl_context(hostname = self.hostname)
 			authority = Localhost::Authority.fetch(hostname)
 
-			OpenSSL::SSL::SSLContext.new.tap do |context|
-				context.cert = authority.certificate
-				context.key = authority.key
-
+			authority.server_context.tap do |context|
 				context.alpn_select_cb = lambda do |protocols|
 					if protocols.include? "h2"
 						return "h2"