diff --git a/app/Dockerfile b/app/Dockerfile
index 800a787..8ce42eb 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -10,5 +10,9 @@ COPY src ./src
 
 RUN npm run build && npm prune --omit=dev
 
+# app/public/index.html has content for video preview
+# TODO move all static files (html, mappers) to a separate folder "assets"
+COPY public ./public 
+
 ENV NODE_ENV=production
 CMD ["node", "dist/index.js"]
diff --git a/app/src/handlers/edge5-video.ts b/app/src/handlers/edge5-video.ts
index 24a4a83..0e587b1 100644
--- a/app/src/handlers/edge5-video.ts
+++ b/app/src/handlers/edge5-video.ts
@@ -2,7 +2,14 @@ import { log } from '../helpers/log.js'
 import { onEdgeChunk } from '../stream/edge-chunk-relay.js'
 import type { TopicHandler } from '../types.js'
 
+const LOG_INTERVAL_MS = 10_000
+let lastLog = 0
+
 export const handleEdge5Video: TopicHandler = async (_topic, payload) => {
-  log(`edge5.video ↑ ${payload.length}B`);
-  onEdgeChunk(payload);
-}
+  const now = Date.now()
+  if (now - lastLog >= LOG_INTERVAL_MS) {
+    log(`edge5.video ↑ ${payload.length}B`)
+    lastLog = now
+  }
+  onEdgeChunk(payload)
+}
\ No newline at end of file