refactor: rename images

erpnext-assets - ERPNext nginx config + static assets
erpnext-worker - ERPNext python environment
frappe-assets - Frappe nginx config + static assets
frappe-worker - Frappe python environment
frappe-socketio - Frappe socketio process common for apps

build/frappe-worker/commands/backup.py

@@ -0,0 +1,29 @@
+import os, frappe, compileall, re
+from frappe.utils.backups import scheduled_backup
+from frappe.utils import now
+from frappe.utils import get_sites
+
+def backup(sites, with_files=False):
+    for site in sites:
+        frappe.init(site)
+        frappe.connect()
+        odb = scheduled_backup(
+            ignore_files=not with_files,
+            backup_path_db=None,
+            backup_path_files=None,
+            backup_path_private_files=None,
+            force=True
+        )
+        print("database backup taken -", odb.backup_path_db, "- on", now())
+        if with_files:
+            print("files backup taken -", odb.backup_path_files, "- on", now())
+            print("private files backup taken -", odb.backup_path_private_files, "- on", now())
+        frappe.destroy()
+
+installed_sites = ":".join(get_sites())
+sites = os.environ.get("SITES", installed_sites).split(":")
+with_files=True if os.environ.get("WITH_FILES") else False
+
+backup(sites, with_files)
+
+exit(0)