diff --git a/.env b/.env
index 72d62c5..4d051d8 100644
--- a/.env
+++ b/.env
@@ -5,4 +5,16 @@ POSTGRES_DB=n8n
 POSTGRES_NON_ROOT_USER=n8nuser
 POSTGRES_NON_ROOT_PASSWORD=n8n@!local456
 RUNNERS_AUTH_TOKEN=uwshC6DBELbnT5z7xsUlN5QDi7OHnWZX
-N8N_SECURE_COOKIE=false
\ No newline at end of file
+N8N_SECURE_COOKIE=false
+
+# Sandbox service secrets — pick your own values
+SANDBOX_API_KEYS=cQdT05Lv1ZdVg616TKHwEc2oHnI3fBV0
+SANDBOX_API_RUNNER_REGISTRATION_TOKEN=iAj8lZDijr+LDKAV+jOhk3nLk0+QjHtX
+SANDBOX_API_RUNNER_API_KEY=Vz6tklBNtcOYd25P7E0scCmRXyBXzoqy
+
+# Must match a value in SANDBOX_API_KEYS above — this is how n8n authenticates to the sandbox
+N8N_SANDBOX_SERVICE_API_KEY=cQdT05Lv1ZdVg616TKHwEc2oHnI3fBV0
+
+# Web search: secret for the bundled SearXNG instance — pick your own value
+SEARXNG_SECRET=PUfcCVOtXl+t4g5CrO5YOHyM8qmHgFy5
+N8N_INSTANCE_AI_SEARXNG_URL=http://searxng:8080
\ No newline at end of file