update cost date and deployment steps to release new changes

Author: sofide

README.md

@@ -110,6 +110,8 @@ Enhance your Telegram bot's functionality by customizing its settings. Follow th
 
 Follow the steps in ["keep_bot_running_in_server"](docs/keep_bot_running_in_server.md) to keep gastitis always running in your pc or server.
 
+To deploy new changes follow the steps in the ["Deploying New Changes" inside keep_bot_running_in_server](docs/keep_bot_running_in_server.md#deploying-new-changes) section.
+
 ## Contributing
 
 - After making any changes to the code, please run the [functional tests](docs/functional_testing.md) to ensure everything is working as expected.

docs/keep_bot_running_in_server.md

@@ -60,3 +60,22 @@ To debug or monitor the program's output, view the logs:
 tail -f /var/log/gastitis.out.log
 tail -f /var/log/gastitis.err.log
 ```
+
+## 7. Deploy new changes
+
+When you make changes to the code, you need to pull the latest changes from your repository.
+```bash
+git pull origin master
+```
+
+Then, restart the bot:
+
+```bash
+sudo supervisorctl restart gastitis
+```
+
+Check the bot is running correctly:
+
+```bash
+sudo supervisorctl status
+```

extra_features/vianda.py

@@ -22,7 +22,7 @@ class ViandaCostCalculator:
 
     FOOD_COST = 5000
     DELIVERY_COST = 900
-    COSTS_LAST_UPDATED = "2025/02/09"
+    COSTS_LAST_UPDATED = "2025/05/05"
 
     DEFAULT_DAYS = 5
     DEFAULT_VIANDAS_PER_DAY = 2