Laravel Docker conversation violations — on compose instance, for example.

pbrilius/project-alna

Two containers running on docker-compose.yml are negotiating for content on ports 2125 — frontend; and 2124 — backend. However, when pointing frontend form submission to backend /crawl

cd backend-alna
php artisan route:list
+--------+----------+----------+------+------------------------------+------------+
| Domain | Method   | URI      | Name | Action                       | Middleware |
+--------+----------+----------+------+------------------------------+------------+
|        | GET|HEAD | /        |      | Closure                      | web        |
|        | GET|HEAD | api/user |      | Closure                      | api        |
|        |          |          |      |                              | auth:api   |
|        | POST     | crawl    |      | App\Http\Controllers\JobPost | web        |
+--------+----------+----------+------+------------------------------+------------+

the response is negative in regard of content curl -LI -X OPTIONS localhost:2124/crawl

HTTP/1.1 200 OK
Date: Sun, 17 Jan 2021 09:23:05 GMT
Server: Apache
X-Powered-By: PHP/7.4.6
Allow: POST
Cache-Control: no-cache, private
Content-Length: 0
Content-Type: text/html; charset=UTF-8