Make workdir independent

deploy/portainer/deploy.py

@@ -7,6 +7,7 @@ import requests
 import json
 from dotenv import load_dotenv
 from string import Template
+from pathlib import Path
 
 load_dotenv()
 
@@ -77,7 +78,8 @@ else:
 
 ### Template substitution for the portainer stack deployment ###
 portainer_deploy_json = None
-with open('portainer_deploy.template.json', 'r') as file:
+template_file = f'{Path( __file__ ).parent.absolute()}/portainer_deploy.template.json'
+with open(template_file, 'r') as file:
     portainer_template = Template(file.read())
 
 # Perform variable substitution