refactor(backend): rename SWAGGER_HOST to BACKEND_HOST

Renames SWAGGER_HOST to BACKEND_HOST in .env.example and config. Updates main.go to use the new configuration variable.

backend/.env.example

@@ -31,7 +31,7 @@ CORS_ORIGINS=*
 
 # Swagger Configuration
 # Host without scheme (ex: localhost:8214 or api.saveinmed.com)
-SWAGGER_HOST=localhost:8214
+BACKEND_HOST=localhost:8214
 # Comma-separated list of schemes shown in Swagger UI selector
 SWAGGER_SCHEMES=http,https
 

backend/cmd/api/main.go

@@ -30,8 +30,8 @@ func main() {
 	// swagger metadata overrides
 	docs.SwaggerInfo.Title = cfg.AppName
 	docs.SwaggerInfo.BasePath = "/"
-	if cfg.SwaggerHost != "" {
-		docs.SwaggerInfo.Host = cfg.SwaggerHost
+	if cfg.BackendHost != "" {
+		docs.SwaggerInfo.Host = cfg.BackendHost
 	}
 	if len(cfg.SwaggerSchemes) > 0 {
 		docs.SwaggerInfo.Schemes = cfg.SwaggerSchemes

backend/internal/config/config.go

@@ -22,7 +22,7 @@ type Config struct {
 	JWTExpiresIn          time.Duration
 	PasswordPepper        string
 	CORSOrigins           []string
-	SwaggerHost           string
+	BackendHost           string
 	SwaggerSchemes        []string
 }
 
@@ -42,7 +42,7 @@ func Load() Config {
 		JWTExpiresIn:          getEnvDuration("JWT_EXPIRES_IN", 24*time.Hour),
 		PasswordPepper:        getEnv("PASSWORD_PEPPER", ""),
 		CORSOrigins:           getEnvStringSlice("CORS_ORIGINS", []string{"*"}),
-		SwaggerHost:           getEnv("SWAGGER_HOST", ""),
+		BackendHost:           getEnv("BACKEND_HOST", ""),
 		SwaggerSchemes:        getEnvStringSlice("SWAGGER_SCHEMES", []string{"http"}),
 	}