fix kiwix 502: map host:8181 to container:80 (kiwix default port)

kiwix-serve binds to port 80 by default; the previous mapping to 8080
caused a 502. Change port mapping to 8181:80 and drop --port flag.

https://claude.ai/code/session_012gDnantBmFTWZGCiKyjazx

laptop_full_setup.sh

@@ -934,11 +934,11 @@ ${OLLAMA_VOLUME_LINE}
     container_name: kiwix
     restart: unless-stopped
     ports:
-      - "0.0.0.0:8181:8080"
+      - "0.0.0.0:8181:80"
     volumes:
       - $KIWIX_DIR:/data
     entrypoint: ["sh", "-c"]
-    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve --port 8080 /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
+    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
 
   # ── Gitea — Self-hosted Git ─────────────────────────────────────────────────
   gitea:

local-ai-setup.sh

@@ -622,10 +622,10 @@ services:
     image: ghcr.io/kiwix/kiwix-serve:latest
     container_name: kiwix
     restart: unless-stopped
-    ports: ["0.0.0.0:8181:8080"]
+    ports: ["0.0.0.0:8181:80"]
     volumes: [$BASE/kiwix:/data]
     entrypoint: ["sh", "-c"]
-    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve --port 8080 /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
+    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
 
   gitea:
     image: gitea/gitea:latest