fix: address code review feedback

- CRITICAL: Make socket path configurable based on mountEndpoint
  - Added volumeSocketDir field to SeaweedFsDriver
  - LocalSocketPath now accepts baseDir parameter
  - Derived from mountEndpoint for user-configurable socket paths

- HIGH: Pin seaweedfs version in Dockerfiles for reproducible builds
  - Added SEAWEEDFS_VERSION build arg (default: 3.80)
  - Clone specific tag instead of master

- HIGH: Fix Dockerfile.dev to use local context instead of personal fork
  - Removed hardcoded zemul/seaweedfs-csi-driver clone
  - Now uses COPY . . for local development

- HIGH: Change :latest to :dev in kubernetes manifests
  - Mutable :latest tag replaced with :dev for predictability

- MEDIUM: Remove Aliyun mirror from Dockerfile.dev
  - Region-specific mirrors shouldn't be in general-purpose files

- MEDIUM: Improve error handling in client.go
  - Now reports read errors when failing to read error response body

- MEDIUM: Fix inconsistent error return in manager.go
  - Return nil instead of empty struct on error (Go idiom)

1 files changed, 10 insertions, 2 deletions

diff --git a/pkg/mountmanager/socket.go b/pkg/mountmanager/socket.go
index 1b8a079..f327dcb 100644
--- a/pkg/mountmanager/socket.go
+++ b/pkg/mountmanager/socket.go
@@ -2,15 +2,23 @@ package mountmanager
 
 import (
 	"fmt"
+	"path/filepath"
 
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
 
+// DefaultSocketDir is the default directory for volume sockets.
+const DefaultSocketDir = "/var/lib/seaweedfs-mount"
+
 // LocalSocketPath returns the unix socket path used to communicate with the weed mount process.
-func LocalSocketPath(volumeID string) string {
+// The baseDir parameter should be the directory where sockets are stored (e.g., derived from mountEndpoint).
+func LocalSocketPath(baseDir, volumeID string) string {
+	if baseDir == "" {
+		baseDir = DefaultSocketDir
+	}
 	hash := util.HashToInt32([]byte(volumeID))
 	if hash < 0 {
 		hash = -hash
 	}
-	return fmt.Sprintf("/var/lib/seaweedfs-mount/seaweedfs-mount-%d.sock", hash)
+	return filepath.Join(baseDir, fmt.Sprintf("seaweedfs-mount-%d.sock", hash))
 }