updated the gunicorn conf files

share/templates/conf/django/files/gunicorn.jinja2

@@ -6,8 +6,12 @@ raw_env = ["DJANGO_SETTINGS_MODULE={{settings_module}}"]
 
 worker_tmp_dir = "/tmp"
 
-user = '{{user}}'
-group = '{{group}}'
+#
+# uncomment only if supervisor does not set these!
+# see https://stackoverflow.com/questions/53570850/djangogunicorn-operation-not-permitted
+
+# user = '{{user}}'
+# group = '{{group}}'
 
 access_logfile = \
     '{{logging_access}}'

share/templates/conf/django/files/gunicorn.unixsocket.jinja2

@@ -6,8 +6,12 @@ raw_env = ["DJANGO_SETTINGS_MODULE={{settings_module}}"]
 
 worker_tmp_dir = "/tmp"
 
-user = '{{user}}'
-group = '{{group}}'
+#
+# uncomment only if supervisor does not already set these!
+# see https://stackoverflow.com/questions/53570850/djangogunicorn-operation-not-permitted
+
+# user = '{{user}}'
+# group = '{{group}}'
 
 access_logfile = \
     '{{logging_access}}'

share/templates/conf/gunicorn/files/gunicorn.jinja2

@@ -6,8 +6,12 @@ raw_env = ["DJANGO_SETTINGS_MODULE={{settings_module}}"]
 
 worker_tmp_dir = "/tmp"
 
-user = '{{user}}'
-group = '{{group}}'
+#
+# uncomment only if supervisor does not set these!
+# see https://stackoverflow.com/questions/53570850/djangogunicorn-operation-not-permitted
+
+# user = '{{user}}'
+# group = '{{group}}'
 
 access_logfile = \
     '{{logging_access}}'

share/templates/conf/gunicorn/files/gunicorn.unixsocket.jinja2

@@ -6,8 +6,12 @@ raw_env = ["DJANGO_SETTINGS_MODULE={{settings_module}}"]
 
 worker_tmp_dir = "/tmp"
 
-user = '{{user}}'
-group = '{{group}}'
+#
+# uncomment only if supervisor does not already set these!
+# see https://stackoverflow.com/questions/53570850/djangogunicorn-operation-not-permitted
+
+# user = '{{user}}'
+# group = '{{group}}'
 
 access_logfile = \
     '{{logging_access}}'

share/templates/readmes/gunicorn_error.md

@@ -0,0 +1,9 @@
+
+## important gunicorn error
+
+https://stackoverflow.com/questions/53570850/djangogunicorn-operation-not-permitted;
+
+the problem is that if supervisor sets both user and group, and then gunicvorn does it, you can
+get a blow up.
+
+so comment it out in one conf or the other