feat: add postgress for litellm admin UI

.env.example

@@ -6,6 +6,7 @@
 
 # --- LiteLLM ---
 LITELLM_MASTER_KEY=sk-change-me-to-a-random-string
+LITELLM_DB_PASSWORD=change-me-to-a-random-string
 OPENROUTER_API_KEY=sk-or-...
 SILICONFLOW_API_KEY=sk-...
 DEEPINFRA_API_KEY=...

docker-compose.yml

@@ -38,6 +38,22 @@ services:
       - ANONYMIZED_TELEMETRY=FALSE
     restart: unless-stopped
 
+  # ── Database for LiteLLM ──
+  litellm-db:
+    image: postgres:16-alpine
+    volumes:
+      - litellm-db-data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=litellm
+      - POSTGRES_USER=litellm
+      - POSTGRES_PASSWORD=${LITELLM_DB_PASSWORD}
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U litellm"]
+      interval: 10s
+      timeout: 3s
+      retries: 3
+
   # ── LLM API proxy ──
   litellm:
     image: ghcr.io/berriai/litellm:main-latest
@@ -48,11 +64,15 @@ services:
       - "0.0.0.0:4000:4000"
     environment:
       - LITELLM_MASTER_KEY=${LITELLM_MASTER_KEY}
+      - DATABASE_URL=postgresql://litellm:${LITELLM_DB_PASSWORD}@litellm-db:5432/litellm
       - OPENROUTER_API_KEY=${OPENROUTER_API_KEY}
       - SILICONFLOW_API_KEY=${SILICONFLOW_API_KEY}
       - DEEPINFRA_API_KEY=${DEEPINFRA_API_KEY}
       - GROQ_API_KEY=${GROQ_API_KEY}
       - CEREBRAS_API_KEY=${CEREBRAS_API_KEY}
+    depends_on:
+      litellm-db:
+        condition: service_healthy
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:4000/health/liveliness')"]
@@ -111,5 +131,6 @@ services:
 volumes:
   valkey-data:
   chromadb-data:
+  litellm-db-data:
   open-webui-data:
   tailscale-state: