Fixed connection closed or lost. (#393)

* Fixed connection closed or lost.

* Fixed duplicated check.

Author: srtab

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Added `cleanup_indexes` command to clean up outdated indexes and inaccessible repositories.
 
+### Fixed
+
+- Fixed connection closed or lost on `ConnectionPool` by using `check_connection` to verify if the connection is still working.
+
 ## [0.1.4] - 2025-05-22
 
 ### Added

daiv/daiv/settings/components/database.py

@@ -8,7 +8,8 @@
         "DB_SSLMODE",
         default="require",
         cast=Choices(["disable", "allow", "prefer", "require", "verify-ca", "verify-full"]),
-    )
+    ),
+    "pool": {"max_size": config("DB_POOL_MAX_SIZE", default=15, cast=int)},
 }
 
 DATABASES = {
@@ -20,6 +21,7 @@
         "HOST": config("DB_HOST", default="localhost"),
         "PORT": config("DB_PORT", default=5432, cast=int),
         "OPTIONS": DATABASES_OPTIONS,
+        "CONN_HEALTH_CHECKS": True,
     }
 }