fix: optimize memory usage, fix agent and code refactor (#118)

* refactor: simplify io code and make utils module independent

* fix(docker): agent and socket-proxy docker event flushing with modified reverse proxy handler

* refactor: remove unused code

* refactor: remove the use of logging module in most code

* refactor: streamline domain mismatch check in certState function

* tweak: use ecdsa p-256 for autocert

* fix(tests): update health check tests for invalid host and add case for port in host

* feat(acme): custom acme directory

* refactor: code refactor and improved context and error handling

* tweak: optimize memory usage under load

* fix(oidc): restore old user matching behavior

* docs: add ChatGPT assistant to README

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/net/gphttp/logging.go

@@ -4,14 +4,14 @@ import (
 	"net/http"
 
 	"github.com/rs/zerolog"
-	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/rs/zerolog/log"
 )
 
 func reqLogger(r *http.Request, level zerolog.Level) *zerolog.Event {
-	return logging.WithLevel(level).
-		Str("remote", r.RemoteAddr).
-		Str("host", r.Host).
-		Str("uri", r.Method+" "+r.RequestURI)
+	return log.WithLevel(level). //nolint:zerologlint
+					Str("remote", r.RemoteAddr).
+					Str("host", r.Host).
+					Str("uri", r.Method+" "+r.RequestURI)
 }
 
 func LogError(r *http.Request) *zerolog.Event { return reqLogger(r, zerolog.ErrorLevel) }