[+] add pprof build profile for debugging (#779)

Author: pashagolub

cmd/pgwatch/main.go

@@ -44,11 +44,6 @@ var Exit = os.Exit
 
 func main() {
 
-	// Uncomment the following lines to enable the pprof HTTP server for debugging
-	// go func() {
-	// 	panic(http.ListenAndServe(":6060", nil))
-	// }()
-
 	exitCode.Store(cmdopts.ExitCodeOK)
 	defer func() {
 		if err := recover(); err != nil {

cmd/pgwatch/pprof.go

@@ -0,0 +1,18 @@
+//go:build pprof
+
+package main
+
+import (
+	"net/http"
+
+	_ "net/http/pprof" // Import for pprof HTTP server
+)
+
+func init() {
+	// Start pprof HTTP server for debugging when build tag 'pprof' is enabled
+	go func() {
+		// Using panic here will cause the application to exit if pprof server fails to start
+		// This is intentional behavior for debugging builds
+		panic(http.ListenAndServe(":6060", nil))
+	}()
+}

docker/compose.pgwatch.yml

@@ -14,6 +14,7 @@ services:
     ports:
       - "8080:8080"
       - "9187:9187"
+      # - "6060:6060" # Uncomment for profiling
     depends_on:
       postgres:
         condition: service_healthy