POST header Prefer: return=headers-only not returning LOCATION information about postgrest HOT 2 CLOSED

What is the exact request you're doing and the response you're getting? If you're seeing an error like "permission denied for sequence..." then you need to grant permissions to the SEQUENCE generated by serial as seen in the Tutorial 1.

from postgrest.

Purely by the tutorial, using secret 01234567012345670123456701234567, running in an emacs shell so using json_pp to print

brucer42@brucer42s-MBP postgrest % curl http://localhost:3000/todos -X POST
-H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoidG9kb191c2VyIn0.qrlieu5zvSLJcyDFJ_ZoWTbLkDZbVm1LAsdtPKM7J1Y"
-H "Prefer: return=headers-only"
-H "Content-Type: application/json"
-d '{"task": "learn how to auth"}' | json_pp
curl http://localhost:3000/todos -X POST \

 -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoidG9kb191c2VyIn0.qrlieu5zvSLJcyDFJ_ZoWTbLkDZbVm1LAsdtPKM7J1Y"   \
 -H "Prefer: return=headers-only" \
 -H "Content-Type: application/json" \
 -d '{"task": "learn how to auth"}' **| json_pp**

% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 29 0 0 100 29 0 534 --:--:-- --:--:-- --:--:-- 537
malformed JSON string, neither array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/bin/json_pp5.30 line 52.
brucer42@brucer42s-MBP postgrest % curl http://localhost:3000/todos -X POST
-H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoidG9kb191c2VyIn0.qrlieu5zvSLJcyDFJ_ZoWTbLkDZbVm1LAsdtPKM7J1Y"
-H "Prefer: return=representation"
-H "Content-Type: application/json"
-d '{"task": "learn how to auth"}' | json_pp
curl http://localhost:3000/todos -X POST \

 -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoidG9kb191c2VyIn0.qrlieu5zvSLJcyDFJ_ZoWTbLkDZbVm1LAsdtPKM7J1Y"   \
 -H "Prefer: return=representation" \
 -H "Content-Type: application/json" \
 -d '{"task": "learn how to auth"}' | json_pp

% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 90 0 61 100 29 4468 2124 --:--:-- --:--:-- --:--:-- 6923
[
{
"done" : false,
"due" : null,
"id" : 7,
"task" : "learn how to auth"
}
]
brucer42@brucer42s-MBP postgrest %

from postgrest.