Make use of GUNICORN_CMD_ARGS

README.md

@@ -167,7 +167,7 @@ write_files:
     permissions: 744
     content: |
       #!/bin/sh
-      gunicorn --bind 0.0.0.0:${PORT:-8000} ${GUNICORN} --preload --access-logfile - --daemon morss
+      gunicorn --bind 0.0.0.0:${PORT:-8000} --preload --access-logfile - --daemon morss
 
 runcmd:
   - update-ca-certificates
@@ -491,6 +491,9 @@ entries. NB. When using `diskcache`, this is the cache max size in Bytes.
 - `CACHE_LIFESPAN` (seconds) sets how often the cache must be trimmed (i.e. cut
 down to the number of items set in `CACHE_SIZE`). Defaults to 1min.
 
+Gunicorn also accepts command line arguments via the `GUNICORN_CMD_ARGS`
+environment variable.
+
 ### Content matching
 
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