Fixed bugs with --config flag

daemon.go

@@ -6,7 +6,6 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
-	"path/filepath"
 	"sync"
 	"syscall"
 	"time"
@@ -25,12 +24,14 @@ type InstanceStatusResponse struct {
 
 type DaemonServer struct {
 	cfg         *AppConfig
+	configPath  string
 	procManager *ProcessManager
 }
 
-func StartDaemon(cfg *AppConfig) error {
+func StartDaemon(cfg *AppConfig, configPath string) error {
 	ds := &DaemonServer{
 		cfg:         cfg,
+		configPath:  configPath,
 		procManager: NewProcessManager(),
 	}
 
@@ -173,10 +174,16 @@ func (ds *DaemonServer) handleCreate(w http.ResponseWriter, r *http.Request) {
 
 	ds.cfg.Instances[name] = options
 
-	home, _ := os.UserHomeDir()
-	configPath := filepath.Join(home, ".config", "vs-manager", "config.json")
-	data, _ := json.MarshalIndent(ds.cfg, "", "  ")
-	_ = os.WriteFile(configPath, data, 0644)
+	data, err := json.MarshalIndent(ds.cfg, "", "  ")
+	if err != nil {
+		http.Error(w, fmt.Sprintf("Failed processing profile adjustments: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	if err := os.WriteFile(ds.configPath, data, 0644); err != nil {
+		http.Error(w, fmt.Sprintf("Failed saving configuration adjustments to disk: %v", err), http.StatusInternalServerError)
+		return
+	}
 
 	w.WriteHeader(http.StatusCreated)
 	fmt.Fprintf(w, "Successfully created and stored profile for instance %s", name)
@@ -200,7 +207,7 @@ func (ds *DaemonServer) handleStart(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	instanceConfigPath := filepath.Join(ds.cfg.Storage.InstancesDir, name, "serverconfig.json")
+	instanceConfigPath := ds.configPath
 	err := SyncInstanceConfig(options.Version, instanceConfigPath, options, ds.cfg)
 	if err != nil {
 		http.Error(w, "Failed to sync config: "+err.Error(), http.StatusInternalServerError)