Integrates an optional starting of Flower into the Docker image

docker/flower-conditional.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+echo "Checking if we should start flower..."
+
+if [[ -n  "${PAPERLESS_ENABLE_FLOWER}" ]]; then
+	celery --app paperless flower
+fi

docker/supervisord.conf

@@ -10,7 +10,7 @@ user=root
 [program:gunicorn]
 command=gunicorn -c /usr/src/paperless/gunicorn.conf.py paperless.asgi:application
 user=paperless
-
+priority = 1
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
@@ -20,7 +20,7 @@ stderr_logfile_maxbytes=0
 command=python3 manage.py document_consumer
 user=paperless
 stopsignal=INT
-
+priority = 20
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
@@ -32,7 +32,7 @@ command = celery --app paperless worker --loglevel INFO
 user=paperless
 stopasgroup = true
 stopwaitsecs = 60
-
+priority = 5
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
@@ -43,7 +43,17 @@ stderr_logfile_maxbytes=0
 command = celery --app paperless beat --loglevel INFO
 user=paperless
 stopasgroup = true
-
+priority = 10
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
+[program:celery-flower]
+command = /usr/local/bin/flower-conditional.sh
+user = paperless
+startsecs = 0
+priority = 40
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr