diff --git a/backend/src/server.ts b/backend/src/server.ts
index 9941fac..e9677ea 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -22,26 +22,19 @@ app.use(session({
 }));
 
 /* OIDC setup (lazy) */
-type OidcConfig = {
-  issuer:string;
-  clientId:string;
-  clientSecret:string;
-  redirectUri:string;
-  providerName:string;
-};
-function loadOidcConfig():OidcConfig {
-  const issuer = process.env.OIDC_ISSUER || '';
-  const clientId = process.env.OIDC_CLIENT_ID || '';
-  const clientSecret = process.env.OIDC_CLIENT_SECRET || '';
-  const redirectUri = process.env.OIDC_REDIRECT_URI || '';
-  const providerName = process.env.OIDC_PROVIDER || 'Identity Provider';
-  if (!issuer || !clientId || !clientSecret || !redirectUri) {
-    throw new Error('OIDC env vars incomplete (OIDC_ISSUER / OIDC_CLIENT_ID / OIDC_CLIENT_SECRET / OIDC_REDIRECT_URI)');
+type OidcConfig = { issuer:string; clientId:string; clientSecret:string; redirectUri:string; providerName:string; };
+function loadOidcConfig(): OidcConfig {
+  const cfg = {
+    issuer: process.env.OIDC_ISSUER || '',
+    clientId: process.env.OIDC_CLIENT_ID || '',
+    clientSecret: process.env.OIDC_CLIENT_SECRET || '',
+    redirectUri: process.env.OIDC_REDIRECT_URI || '',
+    providerName: process.env.OIDC_PROVIDER || 'Identity Provider'
+  };
+  if (!cfg.issuer || !cfg.clientId || !cfg.clientSecret || !cfg.redirectUri) {
+    throw new Error('Missing OIDC env (OIDC_ISSUER, OIDC_CLIENT_ID, OIDC_CLIENT_SECRET, OIDC_REDIRECT_URI)');
   }
-  if (clientSecret.includes('replace-with-real-secret')) {
-    log.warn('Using placeholder OIDC_CLIENT_SECRET – replace before production.');
-  }
-  return { issuer, clientId, clientSecret, redirectUri, providerName };
+  return cfg;
 }
 const oidcCfg = loadOidcConfig();
 let oidcClient: Client | null = null;
@@ -178,6 +171,13 @@ app.get('/api/auth/config', (_req,res)=>{
   });
 });
 
+const port = Number(process.env.PORT||8080);
+app.listen(port, ()=> log.info({
+  port,
+  oidc: { issuer: oidcCfg.issuer, redirect: oidcCfg.redirectUri, provider: oidcCfg.providerName }
+}, 'listening'));
+});
+
 const port = Number(process.env.PORT||8080);
 app.listen(port, ()=> {
   log.info({
diff --git a/docker-compose.yml b/docker-compose.yml
index 26cde0c..ddcac14 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -34,17 +34,19 @@ services:
       dockerfile: Dockerfile
       args:
         VITE_API_BASE: ${VITE_API_BASE:-http://localhost:8080}
-        OIDC_PROVIDER: ${OIDC_PROVIDER:-AuthServer}
+        VITE_OIDC_PROVIDER: ${OIDC_PROVIDER:-AuthServer}
         VITE_BING_MKT: ${VITE_BING_MKT:-en-US}
         VITE_BING_DISABLE: ${VITE_BING_DISABLE:-0}
     environment:
       VITE_API_BASE: ${VITE_API_BASE:-http://localhost:8080}
-      OIDC_PROVIDER: ${OIDC_PROVIDER:-AuthServer}
       VITE_BING_MKT: ${VITE_BING_MKT:-en-US}
       VITE_BING_DISABLE: ${VITE_BING_DISABLE:-0}
     ports:
       - "5173:80"
     depends_on:
       - backend
+volumes:
+  backend_data: {}
+      - backend
 volumes:
   backend_data: {}
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index cecae15..0507981 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -6,10 +6,12 @@ COPY index.html vite.config.ts tsconfig.json ./
 COPY src ./src
 ARG VITE_API_BASE
 ARG OIDC_PROVIDER
+ARG VITE_OIDC_PROVIDER
 ARG VITE_BING_MKT
 ARG VITE_BING_DISABLE
 ENV VITE_API_BASE=$VITE_API_BASE
 ENV OIDC_PROVIDER=$OIDC_PROVIDER
+ENV VITE_OIDC_PROVIDER=${VITE_OIDC_PROVIDER:-$OIDC_PROVIDER}
 ENV VITE_BING_MKT=$VITE_BING_MKT
 ENV VITE_BING_DISABLE=$VITE_BING_DISABLE
 RUN npm run build
diff --git a/frontend/src/components/LoginScreen.tsx b/frontend/src/components/LoginScreen.tsx
index 53c292e..e2195fc 100644
--- a/frontend/src/components/LoginScreen.tsx
+++ b/frontend/src/components/LoginScreen.tsx
@@ -10,6 +10,7 @@ interface Props {
 export const LoginScreen: React.FC<Props> = ({ theme, onToggleTheme, onLogin, market='en-US' }) => {
   const [bgUrl,setBgUrl] = useState<string|null>(null);
   const [attribution,setAttribution] = useState<string>('');
+  const providerName = (import.meta.env.VITE_OIDC_PROVIDER as string) || 'Identity Provider';
 
   useEffect(()=>{
     let cancelled = false;
@@ -27,8 +28,6 @@ export const LoginScreen: React.FC<Props> = ({ theme, onToggleTheme, onLogin, ma
     return ()=> { cancelled = true; };
   }, [market]);
 
-  const providerName: string = (typeof __OIDC_PROVIDER__ !== 'undefined' && __OIDC_PROVIDER__) || 'Identity Provider';
-
   return (
     <div style={{
       position:'relative',
@@ -147,3 +146,4 @@ const iconButtonStyle: React.CSSProperties = {
   boxShadow:'0 4px 14px -4px rgba(0,0,0,0.4)',
   transition:'background .2s'
 };
+};