Publish curated VacatureRadar source snapshot

apps/core/health.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+import secrets
+from dataclasses import asdict, dataclass
+
+from django.conf import settings
+from django.core.cache import cache
+from django.db import connections
+from django.db.utils import DatabaseError
+
+
+@dataclass(frozen=True)
+class HealthResult:
+    ok: bool
+    checks: dict[str, str]
+
+    def to_dict(self) -> dict[str, object]:
+        return asdict(self)
+
+
+def readiness() -> HealthResult:
+    checks: dict[str, str] = {}
+    ok = True
+    try:
+        with connections["default"].cursor() as cursor:
+            cursor.execute("SELECT 1")
+            cursor.fetchone()
+        checks["database"] = "ok"
+    except DatabaseError as exc:
+        ok = False
+        checks["database"] = f"error:{exc.__class__.__name__}"
+
+    if getattr(settings, "HEALTHCHECK_REQUIRE_CACHE", False):
+        key = f"health:{secrets.token_hex(8)}"
+        try:
+            cache.set(key, "ok", timeout=10)
+            if cache.get(key) != "ok":
+                raise RuntimeError("cache roundtrip failed")
+            cache.delete(key)
+            checks["cache"] = "ok"
+        except Exception as exc:  # Health boundary: report category, never payload/details.
+            ok = False
+            checks["cache"] = f"error:{exc.__class__.__name__}"
+
+    return HealthResult(ok=ok, checks=checks)