Send everything in production through the gunicorn logger (allows rotation using USR1). Add a gunicorn logger that emits the logstash format. Move the gunicorn config to the conf subdir. Update the postrotate script to hopefully work.

config.py

@@ -135,14 +135,10 @@ class BuildNodeConfig(object):
   BUILD_NODE_PULL_TOKEN = 'F02O2E86CQLKZUQ0O81J8XDHQ6F0N1V36L9JTOEEK6GKKMT1GI8PTJQT4OU88Y6G'
 
 
-def logs_init_builder(level=logging.DEBUG, logfile=None):
+def logs_init_builder(level=logging.DEBUG):
   @staticmethod
   def init_logs():
-    if logfile:
-      handler = logging.FileHandler(logfile)
-    else:
-      handler = logging.StreamHandler()
-
+    handler = logging.StreamHandler()
     root_logger = logging.getLogger('')
     root_logger.setLevel(level)
     formatter = logstash_formatter.LogstashFormatter()
@@ -182,5 +178,5 @@ class ProductionConfig(FlaskProdConfig, MailConfig, S3Storage, RDSMySQL,
                        GitHubProdConfig, DigitalOceanConfig, BuildNodeConfig,
                        S3Userfiles):
 
-  LOGGING_CONFIG = logs_init_builder(logfile='/mnt/logs/application.log')
+  LOGGING_CONFIG = logs_init_builder()
   SEND_FILE_MAX_AGE_DEFAULT = 0