infra: add Milvus vector DB and PostgreSQL

- Added etcd service for distributed coordination
- Added MinIO service for object storage
- Added Milvus v2.4.0 vector database (standalone mode)
- Added PostgreSQL 15-alpine for knowledge base
- All services include healthchecks
- Updated .env with POSTGRES_PASSWORD and MILVUS_API_URL

compose.yaml

@@ -56,9 +56,46 @@ services:
       - ./local-files:/files
       - ./crts:/opt/custom-certificates
 
-  milvus:
-    image: milvusdb/milvus:latest
+  etcd:
+    image: quay.io/coreos/etcd:v3.5.5
     restart: always
+    environment:
+      - ETCD_AUTO_COMPACTION_MODE=revision
+      - ETCD_AUTO_COMPACTION_RETENTION=1000
+      - ETCD_QUOTA_BACKEND_BYTES=4294967296
+    ports:
+      - "2379:2379"
+    volumes:
+      - etcd_data:/etcd-data
+    healthcheck:
+      test: ["CMD", "etcdctl", "endpoint", "health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    command: etcd -advertise-client-urls=http://etcd:2379 -listen-client-urls http://0.0.0.0:2379
+
+  minio:
+    image: minio/minio:latest
+    restart: always
+    environment:
+      - MINIO_ROOT_USER=minioadmin
+      - MINIO_ROOT_PASSWORD=minioadmin
+    ports:
+      - "9000:9000"
+      - "9001:9001"
+    volumes:
+      - minio_data:/minio_data
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    command: minio server /minio_data --console-address ":9001"
+
+  milvus:
+    image: milvusdb/milvus:v2.4.0
+    restart: always
+    command: milvus run standalone
     ports:
       - "19530:19530"
       - "9091:9091"
@@ -67,6 +104,11 @@ services:
       - MINIO_ADDRESS=minio:9000
     volumes:
       - milvus_data:/var/lib/milvus
+    depends_on:
+      etcd:
+        condition: service_healthy
+      minio:
+        condition: service_healthy
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:9091/healthz"]
       interval: 10s
@@ -96,4 +138,6 @@ volumes:
   n8n_data:
   traefik_data:
   milvus_data:
-  postgres_data:
+  postgres_data:
+  etcd_data:
+  minio_data: