Self-hosted dashboard and admin auth (#4837)

Co-authored-by: kartik-mem0 <kartik.labhshetwar@mem0.ai>

server/.env.example

@@ -1,8 +1,8 @@
 OPENAI_API_KEY=
-NEO4J_URI=
-NEO4J_USERNAME=
-NEO4J_PASSWORD=
 
+# Optional: other bundled LLM/embedder providers (set the key for the one you want to use)
+# ANTHROPIC_API_KEY=
+# GOOGLE_API_KEY=
 
 POSTGRES_HOST=
 POSTGRES_PORT=
@@ -11,5 +11,23 @@ POSTGRES_USER=
 POSTGRES_PASSWORD=
 POSTGRES_COLLECTION_NAME=
 
-# Optional: set to enable API key authentication on all endpoints
 ADMIN_API_KEY=
+JWT_SECRET=
+# Local development only. Leave false in production.
+AUTH_DISABLED=false
+DASHBOARD_URL=http://localhost:3000
+APP_DB_NAME=mem0_app
+
+# Default LLM and embedder models. Provider must be in BUNDLED_*_PROVIDERS
+# (see server/main.py). Override to pin a specific model without editing code.
+MEM0_DEFAULT_LLM_MODEL=gpt-4.1-nano-2025-04-14
+MEM0_DEFAULT_EMBEDDER_MODEL=text-embedding-3-small
+
+# Anonymous telemetry. Sends a single onboarding event per install
+# (install UUID, email domain, server version, source). No PII.
+# Set to false to opt out.
+MEM0_TELEMETRY=true
+
+# Days of request_logs history to keep when `make prune-logs` runs.
+# Wire the prune command into cron/systemd in production.
+REQUEST_LOG_RETENTION_DAYS=30