Add gin.Logger() middleware for HTTP request logging in dev mode

backend/cmd/server/main.go

@@ -133,6 +133,7 @@ func main() {
 
 	// Create a new Gin engine (router).
 	engine := gin.New()
+	engine.Use(gin.Logger()) // Log HTTP requests (shows method, path, status, latency)
 	engine.Use(gin.Recovery())
 
 	// Register API routes from the router.

backend/internal/db/db.go

@@ -5,7 +5,6 @@ package db
 import (
 	"database/sql"
 	"fmt"
-	"os"
 	"time"
 
 	"git.workaround.org/chaas/imc/backend/internal/config"
@@ -34,22 +33,22 @@ func Connect(cfg *config.Config) (*DB, error) {
 	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true&charset=utf8mb4",
 		cfg.DBUser, cfg.DBPassword, cfg.DBHost, cfg.DBPort, cfg.DBName)
 
-	db, err := sql.Open("mysql", dsn)
+	mysqlDB, err := sql.Open("mysql", dsn)
 	if err != nil {
 		return nil, fmt.Errorf("failed to open database: %w", err)
 	}
 
-	db.SetMaxOpenConns(25)
+	mysqlDB.SetMaxOpenConns(25)
-	db.SetMaxIdleConns(5)
+	mysqlDB.SetMaxIdleConns(5)
-	db.SetConnMaxLifetime(5 * time.Minute)
+	mysqlDB.SetConnMaxLifetime(5 * time.Minute)
 
-	if err := db.Ping(); err != nil {
+	if err := mysqlDB.Ping(); err != nil {
 		return nil, fmt.Errorf("failed to ping database: %w", err)
 	}
 
 	return &DB{
-		Queries: imcdb.New(db),
+		Queries: imcdb.New(mysqlDB),
-		db:      db,
+		db:      mysqlDB,
 	}, nil
 }
 
@@ -107,10 +106,3 @@ func (d *DB) InitSchema() error {
 func (d *DB) Close() error {
 	return d.db.Close()
 }
-
-func getEnv(key, defaultValue string) string {
-	if value := os.Getenv(key); value != "" {
-		return value
-	}
-	return defaultValue
-}