allow to bypass this check

config/config.go

@@ -321,6 +321,10 @@ type Configuration struct {
 	// This is required to have the "Server Mounts" feature work properly.
 	AllowedMounts []string `json:"-" yaml:"allowed_mounts"`
 
+	// Check if you are allowed to mount to a sub dir of /home/container
+	// Default false as this is bad practise but some people want to do this.
+	AllowBaseDirMount bool `default:"false" json:"-" yaml:"AllowBaseDirMount"`
+
 	// AllowedOrigins is a list of allowed request origins.
 	// The Panel URL is automatically allowed, this is only needed for adding
 	// additional origins.

server/mounts.go

@@ -66,8 +66,9 @@ func (s *Server) customMounts() []environment.Mount {
 		}
 
 		// Check if the target path includes /home/container
-		if strings.Contains(target, "/home/container") {
-			logger.WithField("invalid_target_path", target).Warn("skipping custom server mount, target path includes /home/container")
+		// check can be disabled with the AllowBaseDirMount config value
+		if strings.Contains(target, "/home/container") && config.get().AllowBaseDirMount == false {
+			logger.WithField("invalid_target_path", target).Warn("Skipping custom server mount; target path includes /home/container")
 			continue
 		}