From beedce0e3299acd88d2f6e9d2283a15e31829b88 Mon Sep 17 00:00:00 2001
From: James Dudley <jedudley@outlook.com>
Date: Thu, 7 Dec 2023 18:38:19 -0600
Subject: [PATCH] adding documentation

---
 linux.Dockerfile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/linux.Dockerfile b/linux.Dockerfile
index ad6f501..f611071 100644
--- a/linux.Dockerfile
+++ b/linux.Dockerfile
@@ -30,6 +30,9 @@ RUN usermod -l HLDM GoldSource &&`
     mkdir -p /app/valve/logs &&`
     chmod 775 /app/valve/logs;
 
+# We use appid '90' to download the dedicated server, but the half-life dm client is appid '70'.
+# So we need to create a file with the correct appid, so that it matches the client, otherwise
+# we get a "Steam validation rejected" error when trying to connect to the server.
 RUN echo 70 > /app/steam_appid.txt;
 
 USER HLDM