Resolve runtime dependency platform digests

tools/checks/runtime-image-smoke.py

@@ -41,8 +41,8 @@ def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("--api-metadata", type=Path, required=True)
     parser.add_argument("--web-metadata", type=Path, required=True)
-    parser.add_argument("--postgres-image", required=True)
-    parser.add_argument("--redis-image", required=True)
+    parser.add_argument("--postgres-metadata", type=Path, required=True)
+    parser.add_argument("--redis-metadata", type=Path, required=True)
     parser.add_argument("--platform", choices=sorted(PLATFORMS), required=True)
     parser.add_argument("--output", type=Path, required=True)
     parser.add_argument("--timeout-seconds", type=float, default=600.0)
@@ -625,11 +625,17 @@ def main() -> int:
     try:
         api_image = platform_image(args.api_metadata, args.platform, "API")
         web_image = platform_image(args.web_metadata, args.platform, "Web")
+        postgres_image = platform_image(
+            args.postgres_metadata,
+            args.platform,
+            "PostgreSQL",
+        )
+        redis_image = platform_image(args.redis_metadata, args.platform, "Redis")
         evidence = run_smoke(
             api_image=api_image,
             web_image=web_image,
-            postgres_image=args.postgres_image,
-            redis_image=args.redis_image,
+            postgres_image=postgres_image,
+            redis_image=redis_image,
             platform=args.platform,
             timeout=args.timeout_seconds,
         )