infra: add Milvus vector DB and PostgreSQL

.env

@@ -12,4 +12,10 @@ SUBDOMAIN=n8n
 GENERIC_TIMEZONE=Europe/Berlin
 
 # The email address to use for the TLS/SSL certificate creation
-SSL_EMAIL=patrick.haas@eks-intec.de
+SSL_EMAIL=patrick.haas@eks-intec.de
+
+# PostgreSQL Configuration
+POSTGRES_PASSWORD=change_me_securely
+
+# Milvus Configuration
+MILVUS_API_URL=http://milvus:19530

compose.yaml

@@ -56,6 +56,44 @@ services:
       - ./local-files:/files
       - ./crts:/opt/custom-certificates
 
+  milvus:
+    image: milvusdb/milvus:latest
+    restart: always
+    ports:
+      - "19530:19530"
+      - "9091:9091"
+    environment:
+      - ETCD_ENDPOINTS=etcd:2379
+      - MINIO_ADDRESS=minio:9000
+    volumes:
+      - milvus_data:/var/lib/milvus
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9091/healthz"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+
+  postgres:
+    image: postgres:15-alpine
+    restart: always
+    ports:
+      - "5432:5432"
+    environment:
+      - POSTGRES_DB=n8n_kb
+      - POSTGRES_USER=kb_user
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U kb_user -d n8n_kb"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
+
 volumes:
   n8n_data:
-  traefik_data:
+  traefik_data:
+  milvus_data:
+  postgres_data: