if an addon directory contain symbolic links, follow them

docker_dev_start.py

@@ -381,6 +381,18 @@
             '%s:/mnt/addons/%s' % (
                 os.path.realpath(os.path.join(project_path, addons_dir)),
                 addons_dir))
+        # also check directory for symbolic links
+        for subdir, dirs, files in os.walk(
+            os.path.realpath(os.path.join(project_path, addons_dir))
+        ):
+            for directory in dirs:
+                if os.path.islink(os.path.join(subdir, directory)):
+                    binds.append(
+                        '%s:/mnt/addons/%s' % (
+                            os.path.realpath(os.path.join(
+                                project_path, addons_dir, directory)),
+                            os.path.join(addons_dir, directory))
+                    )
     all_addons_dir = [
         '/opt/odoo/sources/odoo/addons',
     ]