Allow customizing some of the server options

config.yml

@@ -4,3 +4,13 @@ mods:
   - screepsmod-mongo
 bots:
   simplebot: screepsbot-zeswarm
+
+serverOptions:
+  # The number of parallel runner threads in which player scripts are executed.
+  # Don't set this option greater than the number of your physical CPU cores.
+  runnerThreads: 4
+  # The number of room processor worker processes to launch.
+  # Don't set this option greater than the number of your physical CPU cores.
+  processorsCnt: 2
+  # If set, forward console messages to terminal
+  logConsole: false

screeps-start.js

@@ -123,18 +123,33 @@ const writeModsConfiguration = () => {
   console.log("Mods have been configured");
 };
 
+// Map from camelCase to snake_case
+const ServerConfigMap = {
+  runnersThreads: "runner_threads",
+  processorsCnt: "processors_cnt",
+  storageTimeout: "storage_timeout",
+  logConsole: "log_console",
+  logRotateKeep: "log_rotate_keep",
+  restartInterval: "restart_interval",
+};
+
 const start = async () => {
   installPackages();
   writeModsConfiguration();
 
   const screeps = require("@screeps/launcher");
-  await screeps.start(
-    {
-      steam_api_key: process.env.STEAM_KEY || config.steamKey,
-      storage_disable: false,
-    },
-    process.stdout,
-  );
+  const options = {
+    steam_api_key: process.env.STEAM_KEY || config.steamKey,
+    storage_disable: false,
+  };
+
+  for (const [configKey, optionsKey] of Object.entries(ServerConfigMap)) {
+    if (configKey in config.serverOptions) {
+      options[optionsKey] = config.serverOptions[key];
+    }
+  }
+
+  await screeps.start(options, process.stdout);
 };
 
 start().catch((err) => {