Docker support

Dockerfile

@@ -8,6 +8,6 @@ RUN apt-get update && \
 
 RUN pip3 install --upgrade pip wheel && pip3 install --upgrade -r requirements.txt
 
-ENV PYTHONPATH="/musicfig:$PYTHONPATH"
+ENV PYTHONPATH="/config:$PYTHONPATH"
 
 CMD ["python3", "run.py"]

README.md

@@ -97,9 +97,9 @@ When running Docker, the device path will correspond to the bus and device numbe
 
 Run Docker:
 ```
-docker run -v <path/to/musicfig>:/musicfig -p 5000:5000 --device=/dev/bus/usb/<bus>/<device> --device=/dev/snd meltaxa/musicfig
+docker run -v <path/to/configs>:/config -p 5000:5000 --device=/dev/bus/usb/<bus>/<device> --device=/dev/snd meltaxa/musicfig
 ```
-The /path/to/musicfig is the directory where you store the config.py and tags.yml files.
+The /path/to/configs is the directory where you store the config.py and tags.yml files.
 
 # Stopping and Starting
 

app/tags.py

@@ -2,12 +2,16 @@
 
 import os
 import yaml
+from pathlib import Path
 
 class Tags():
 
     def __init__(self):
         current_dir = os.path.dirname(os.path.abspath(__file__))
-        self.tags_file = current_dir + '/../tags.yml'
+        if Path(current_dir + '/../tags.yml').is_file():
+            self.tags_file = current_dir + '/../tags.yml'
+        if Path('/config/tags.yml').is_file():
+            self.tags_file = '/config/tags.yml'
         self.last_updated = ''
 
     def load_tags(self):