Rename variable.

Author: proofit404

README.markdown

@@ -121,12 +121,15 @@ Activate python virtual environment.  Tramp paths are supported.
 
 Deactivate python virtual environment.
 
+## Project settings
 
-## Project overrides with .dir-locals
-You can change the default docker file and set a default
-container to run the pythonic commands in with these dir-locals.
+You can change the default docker-compose file name and set a default
+service name to run the pythonic commands.
+
+Add these lines to the `.dir-locals.el` file in the project root
+directory.
 
 ```lisp
 ((python . ((pythonic-docker-compose-filename . "local.yml")
-            (pythonic-docker-compose-container-name . "footprint"))))
+            (pythonic-docker-compose-service-name . "web"))))
 ```

pythonic.el

@@ -1,6 +1,6 @@
 ;;; pythonic.el --- Utility functions for writing pythonic emacs package.  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2015-2018 by Artem Malyshev
+;; Copyright (C) 2015-2019 by Artem Malyshev
 
 ;; Author: Artem Malyshev <proofit404@gmail.com>
 ;; URL: https://github.com/proofit404/pythonic
@@ -32,6 +32,10 @@
 (require 's)
 (require 'f)
 
+(defgroup pythonic nil
+  "Utility functions for writing pythonic emacs package."
+  :group 'python)
+
 
 ;;; Connection predicates.
 
@@ -153,8 +157,15 @@ format."
 
 ;;; Docker Compose.
 
-(defvar pythonic-docker-compose-filename "docker-compose.yml")
-(defvar pythonic-docker-compose-container-name nil)
+(defcustom pythonic-docker-compose-filename "docker-compose.yml"
+  "File name of the docker-compose project file."
+  :type 'string
+  :safe 'stringp)
+
+(defcustom pythonic-docker-compose-service-name nil
+  "Name of the default service to execute commands."
+  :type 'string
+  :safe 'stringp)
 
 (defvar pythonic-read-docker-compose-file-code "
 from __future__ import print_function
@@ -222,8 +233,8 @@ print(json.dumps(yaml.safe_load(open(sys.argv[-1], 'r'))))
                ;; should appears once in the selection and all volumes
                ;; should be added to the alias list.
                (volume (if (< 1 (length volumes))
-                           (if pythonic-docker-compose-container-name
-                               pythonic-docker-compose-container-name
+                           (if pythonic-docker-compose-service-name
+                               pythonic-docker-compose-service-name
                              (assoc (completing-read "Service: " (mapcar 'car volumes) nil t) volumes))
                          (car volumes)))
                (service (car volume))