feat: upgrade dependencies and improve logging

Updates various dependencies and introduces structured logging using zerolog.

- Upgraded numerous dependencies including viper, pflag, and zerolog.
- Replaced flag package with pflag for improved argument parsing.
- Implemented zerolog for structured logging and configurable log levels.
- Updated configuration parsing and logging initialization.

Author: MikeDev101

go.mod

@@ -3,29 +3,34 @@ module github.com/cloudlink-delta/discovery-server
 go 1.26.2
 
 require (
-	github.com/cloudlink-delta/duplex v0.0.0-20260417151601-8f218b5e01ca
+	github.com/cloudlink-delta/duplex v0.0.0-20260417204830-4824553a1f9f
 	github.com/goccy/go-json v0.10.6
 	github.com/gofiber/contrib/v3/monitor v1.0.1
 	github.com/gofiber/fiber/v3 v3.1.0
 	github.com/google/uuid v1.6.0
 	github.com/pion/webrtc/v3 v3.3.6
+	github.com/rs/zerolog v1.35.0
+	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
 )
 
 require (
 	github.com/andybalholm/brotli v1.2.1 // indirect
 	github.com/chuckpreslar/emission v0.0.0-20170206194824-a7ddd980baf9 // indirect
+	github.com/cloudlink-delta/peerjs-go v0.0.0-20260417204616-3d3dc508461a // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/ebitengine/purego v0.10.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
 	github.com/gofiber/schema v1.7.0 // indirect
 	github.com/gofiber/utils/v2 v2.0.3 // indirect
-	github.com/gorilla/mux v1.8.1 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/klauspost/compress v1.18.5 // indirect
 	github.com/lufia/plan9stats v0.0.0-20260330125221-c963978e514e // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.21 // indirect
-	github.com/muka/peerjs-go v0.0.0-20240401061429-5b28944b9e4f // indirect
+	github.com/pelletier/go-toml/v2 v2.3.0 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/pion/datachannel v1.6.0 // indirect
 	github.com/pion/dtls/v2 v2.2.12 // indirect
@@ -45,20 +50,25 @@ require (
 	github.com/pion/turn/v2 v2.1.6 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
-	github.com/rs/cors v1.11.1 // indirect
+	github.com/sagikazarmark/locafero v0.12.0 // indirect
 	github.com/shirou/gopsutil/v4 v4.26.3 // indirect
-	github.com/sirupsen/logrus v1.9.4 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
 	github.com/stretchr/testify v1.11.1 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/tklauser/go-sysconf v0.3.16 // indirect
 	github.com/tklauser/numcpus v0.11.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasthttp v1.70.0 // indirect
 	github.com/wlynxg/anet v0.0.5 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.50.0 // indirect
 	golang.org/x/net v0.53.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect
 	golang.org/x/text v0.36.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
+
+replace github.com/cloudlink-delta/peerjs-go => ../peerjs-go