♻️(backend) generalize YProvider API config

Abstracted base URL and API key under 'y-provider' for
reuse in future endpoints, aligning with microservice naming.

Please note the YProvider API here is internal to the cluster.
In facts, we don't want these endpoints to be exposed by any ingress

src/backend/core/services/converter_services.py

@@ -31,7 +31,7 @@ class YdocConverter:
     @property
     def auth_header(self):
         """Build microservice authentication header."""
-        return settings.CONVERSION_API_KEY
+        return settings.Y_PROVIDER_API_KEY
 
     def convert_markdown(self, text):
         """Convert a Markdown text into our internal format using an external microservice."""
@@ -41,7 +41,7 @@ class YdocConverter:
 
         try:
             response = requests.post(
-                settings.CONVERSION_API_URL,
+                f"{settings.Y_PROVIDER_API_BASE_URL}{settings.CONVERSION_API_ENDPOINT}/",
                 json={
                     "content": text,
                 },

src/backend/core/tests/test_services_converter_services.py

@@ -16,7 +16,7 @@ from core.services.converter_services import (
 
 def test_auth_header(settings):
     """Test authentication header generation."""
-    settings.CONVERSION_API_KEY = "test-key"
+    settings.Y_PROVIDER_API_KEY = "test-key"
     converter = YdocConverter()
     assert converter.auth_header == "test-key"
 
@@ -97,8 +97,9 @@ def test_convert_markdown_missing_content_field(mock_post, settings):
 def test_convert_markdown_full_integration(mock_post, settings):
     """Test full integration with all settings."""
 
-    settings.CONVERSION_API_URL = "http://test.com"
-    settings.CONVERSION_API_KEY = "test-key"
+    settings.Y_PROVIDER_API_BASE_URL = "http://test.com/"
+    settings.Y_PROVIDER_API_KEY = "test-key"
+    settings.CONVERSION_API_ENDPOINT = "conversion-endpoint"
     settings.CONVERSION_API_TIMEOUT = 5
     settings.CONVERSION_API_CONTENT_FIELD = "content"
 
@@ -113,7 +114,7 @@ def test_convert_markdown_full_integration(mock_post, settings):
 
     assert result == expected_content
     mock_post.assert_called_once_with(
-        "http://test.com",
+        "http://test.com/conversion-endpoint/",
         json={"content": "test markdown"},
         headers={
             "Authorization": "test-key",

src/backend/impress/settings.py

@@ -505,13 +505,21 @@ class Base(Configuration):
         "day": 200,
     }
 
-    # Conversion microservice
-    CONVERSION_API_KEY = values.Value(
-        environ_name="CONVERSION_API_KEY",
+    # Y provider microservice
+    # Note: Be careful, this value is currently the same as in the collaboration service.
+    Y_PROVIDER_API_KEY = values.Value(
+        environ_name="Y_PROVIDER_API_KEY",
         environ_prefix=None,
     )
-    CONVERSION_API_URL = values.Value(
-        environ_name="CONVERSION_API_URL",
+    Y_PROVIDER_API_BASE_URL = values.Value(
+        environ_name="Y_PROVIDER_API_BASE_URL",
+        environ_prefix=None,
+    )
+
+    # Conversion endpoint
+    CONVERSION_API_ENDPOINT = values.Value(
+        default="convert-markdown",
+        environ_name="CONVERSION_API_ENDPOINT",
         environ_prefix=None,
     )
     CONVERSION_API_CONTENT_FIELD = values.Value(

src/helm/env.d/dev/values.impress.yaml.gotmpl

@@ -51,8 +51,8 @@ backend:
     AWS_S3_SECRET_ACCESS_KEY: password
     AWS_STORAGE_BUCKET_NAME: impress-media-storage
     STORAGES_STATICFILES_BACKEND: django.contrib.staticfiles.storage.StaticFilesStorage
-    CONVERSION_API_URL: http://impress-y-provider:443/api/convert-markdown/
-    CONVERSION_API_KEY: my-secret
+    Y_PROVIDER_API_BASE_URL: http://impress-y-provider:443/api/
+    Y_PROVIDER_API_KEY: my-secret
 
   migrate:
     command: