diff --git a/Dockerfile b/Dockerfile
index 8360781..e75648f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,6 +23,13 @@ ENV NODE_ENV=production
 # that matters on a 1-vCPU host) and 116 MB off this layer.
 ENV CI_BUILD=1
 
+# Backend origin for httpClient.ts. Set here rather than in Dokploy because
+# NEXT_PUBLIC_* is inlined into the client bundle at BUILD time — a runtime env
+# var would have no effect.
+# ORIGIN ONLY, no path: authRepository appends /api/auth/login itself, so the
+# full endpoint here would request /api/auth/login/api/auth/login.
+ENV NEXT_PUBLIC_API_BASE=https://platform.loyaly.ai
+
 RUN npm run build
 
 # Stage 3: Production runner with Next.js Standalone