added example of including healthcheck configuration

docker-compose.yml

@@ -9,6 +9,8 @@ services:
     restart: unless-stopped
     ports:
       - "5000:5000"
+    healthcheck:
+      test: ['CMD-SHELL', './venv/bin/python healthcheck.py']
     ## Uncomment above command and define your args if necessary
     # command: --ssl --ga-id MY-GA-ID --req-limit 100 --char-limit 500
     ## Uncomment this section and the `volumes` section if you want to backup your API keys