diff --git a/src/config.ts b/src/config.ts
index 5c6354f..e5896c0 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -97,7 +97,10 @@ export function loadConfig(): Config {
     );
   }
 
-  const config = deepMerge(defaults, fileConfig);
+  const config = deepMerge(
+    defaults as unknown as Record<string, unknown>,
+    fileConfig as unknown as Record<string, unknown>
+  ) as unknown as Config;
 
   // Environment variable overrides
   if (process.env.PORT) {
@@ -108,6 +111,31 @@ export function loadConfig(): Config {
     config.server.port = parsed;
   }
 
+  if (process.env.HOST) {
+    config.server.host = process.env.HOST;
+  }
+
+  if (process.env.DASHBOARD_TOKEN) {
+    config.dashboard = {
+      ...(config.dashboard || { enabled: true }),
+      auth: {
+        type: 'token',
+        token: process.env.DASHBOARD_TOKEN,
+      },
+    };
+  }
+
+  if (process.env.DASHBOARD_USERNAME && process.env.DASHBOARD_PASSWORD) {
+    config.dashboard = {
+      ...(config.dashboard || { enabled: true }),
+      auth: {
+        type: 'basic',
+        username: process.env.DASHBOARD_USERNAME,
+        password: process.env.DASHBOARD_PASSWORD,
+      },
+    };
+  }
+
   const validLogLevels = ['debug', 'info', 'warn', 'error'];
   if (process.env.LOG_LEVEL) {
     if (!validLogLevels.includes(process.env.LOG_LEVEL)) {
diff --git a/src/index.ts b/src/index.ts
index 2e24cbb..1545763 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -27,12 +27,13 @@ async function analyzeOne(target: string) {
   initLogger(config.logging);
   const logger = getLogger();
 
-  initGitHub(process.env.GITHUB_TOKEN);
   if (!process.env.GITHUB_TOKEN) {
     logger.error('GITHUB_TOKEN is required for analyze mode');
     process.exit(1);
   }
 
+  initGitHub(process.env.GITHUB_TOKEN);
+
   const prData = await fetchPR(owner, repo, prNumber);
   if (!prData) {
     logger.error(`Could not fetch PR ${owner}/${repo}#${prNumber}`);
@@ -108,8 +109,9 @@ function serve() {
     .filter(([, v]) => v.enabled)
     .map(([k]) => k);
 
-  const server = app.listen(port, async () => {
-    logger.info(`Troutbot listening on port ${port}`);
+  const host = config.server.host || '127.0.0.1';
+  const server = app.listen(port, host, async () => {
+    logger.info(`Troutbot listening on ${host}:${port}`);
     logger.info(`Enabled backends: ${enabledBackends.join(', ')}`);
 
     // Watched repos
@@ -140,7 +142,8 @@ function serve() {
     // Comment update mode
     logger.info(`Comment updates: ${config.response.allowUpdates ? 'enabled' : 'disabled'}`);
 
-    logger.info(`Dashboard available at http://localhost:${port}/dashboard`);
+    const displayHost = host === '0.0.0.0' ? 'localhost' : host;
+    logger.info(`Dashboard available at http://${displayHost}:${port}/dashboard`);
 
     // Start polling if enabled
     await startPolling(config);
diff --git a/src/types.ts b/src/types.ts
index ab07dff..939a62e 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,5 +1,6 @@
 export interface Config {
   server: ServerConfig;
+  dashboard?: DashboardConfig;
   repositories: RepoConfig[];
   filters: FiltersConfig;
   engine: EngineConfig;
@@ -16,9 +17,22 @@ export interface PollingConfig {
 
 export interface ServerConfig {
   port: number;
+  host?: string;
   rateLimit?: number;
 }
 
+export interface DashboardConfig {
+  enabled: boolean;
+  auth?: DashboardAuthConfig;
+}
+
+export interface DashboardAuthConfig {
+  type: 'basic' | 'token';
+  username?: string;
+  password?: string;
+  token?: string;
+}
+
 export interface RepoConfig {
   owner: string;
   repo: string;