Update environment variable name for output directory

Dockerfile

@@ -13,8 +13,5 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Make port 8080 available to the world outside this container
 EXPOSE 8080
 
-# Define environment variable for record directory
-ENV RECORD_DIRECTORY=/records
-
 # Run main.py when the container launches
 CMD [ "python", "./src/main.py" ]

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     environment:
       - STREAM_URL=http://example.com/stream
       - CHECK_INTERVAL=60
-      - RECORD_DIRECTORY=/records
+      - OUTPUT_DIRECTORY=/records
       - CONNECT_TIMEOUT=10
       - FIRST_BYTE_TIMEOUT=30
       - WEB_SERVER_PORT=8080