increase readiness retries

Author: aptalca

root/etc/s6-overlay/s6-rc.d/svc-code-server/run

@@ -14,7 +14,7 @@ else
 fi
 
 exec \
-    s6-notifyoncheck -d -n 7 -w 1000 -c "nc -z 127.0.0.1 8443" \
+    s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z 127.0.0.1 8443" \
         s6-setuidgid abc \
             /app/code-server/bin/code-server \
                 --bind-addr 0.0.0.0:8443 \