1 files changed, 81 insertions, 0 deletions
diff --git a/entrypoint.mjs b/entrypoint.mjs
new file mode 100644
index 0000000..10c90d7
--- /dev/null
+++ b/entrypoint.mjs
@@ -0,0 +1,81 @@
+import { execFileSync } from "node:child_process";
+import { existsSync, readFileSync, writeFileSync, cpSync } from "node:fs";
+
+const { STEAM_USERNAME = "", STEAM_PASSWORD = "" } = process.env;
+
+// Validate Steam credentials
+if (STEAM_USERNAME === "anonymous") {
+  console.log("Using anonymous login. No password needed.");
+} else if (!STEAM_USERNAME || !STEAM_PASSWORD) {
+  console.error(
+    "Please set STEAM_USERNAME and STEAM_PASSWORD environment variables.\n" +
+      "If you want to use anonymous login, set STEAM_USERNAME to 'anonymous' and leave STEAM_PASSWORD empty.",
+  );
+  process.exit(1);
+}
+
+// Install game server via steamcmd
+execFileSync(
+  "steamcmd",
+  [
+    "+login",
+    STEAM_USERNAME,
+    STEAM_PASSWORD || "",
+    "+force_install_dir",
+    "/app",
+    "+app_update",
+    "3930080",
+    "validate",
+    "+quit",
+  ],
+  { stdio: "inherit" },
+);
+
+// Apply overlay if it exists
+if (existsSync("/overlay")) {
+  console.log("Applying overlay from /overlay to /app");
+  cpSync("/overlay", "/app", { recursive: true });
+}
+
+// Handle configuration file changes via environment variables
+const CONFIG_FIELDS = [
+  { name: "MissionDirectory", type: "string" },
+  { name: "ModdedServer", type: "boolean" },
+  { name: "Hidden", type: "boolean" },
+  { name: "ServerName", type: "string" },
+  { name: "Password", type: "string" },
+  { name: "MaxPlayers", type: "number" },
+  { name: "DisableErrorKick", type: "boolean" },
+  { name: "NoPlayerStopTime", type: "number" },
+  { name: "PostMissionDelay", type: "number" },
+  { name: "RotationType", type: "number" },
+];
+
+const CONFIG_PATH = "/app/DedicatedServerConfig.json";
+const config = JSON.parse(readFileSync(CONFIG_PATH, "utf-8"));
+
+for (const { name, type } of CONFIG_FIELDS) {
+  const envVar = process.env[`CONFIG_${name.toUpperCase()}`];
+  if (envVar == null || envVar === "") continue;
+
+  console.log(`Setting ${name} to ${envVar} in ${CONFIG_PATH}`);
+
+  if (!(name in config)) continue;
+
+  switch (type) {
+    case "boolean":
+      config[name] = envVar === "true";
+      break;
+    case "number":
+      config[name] = Number(envVar);
+      break;
+    default:
+      config[name] = envVar;
+      break;
+  }
+}
+
+writeFileSync(CONFIG_PATH, JSON.stringify(config, null, 2) + "\n");
+
+// Run the server
+execFileSync("sh", ["/app/RunServer.sh"], { stdio: "inherit" });