Chore/improve deployment flow (#4299)

Co-authored-by: 天魂 <365125264@qq.com>

docker-legacy/docker-compose.pgvector.yaml

@@ -0,0 +1,23 @@
+services:
+  # Qdrant vector store.
+  pgvector:
+    image: pgvector/pgvector:pg16
+    restart: always
+    environment:
+      PGUSER: postgres
+      # The password for the default postgres user.
+      POSTGRES_PASSWORD: difyai123456
+      # The name of the default postgres database.
+      POSTGRES_DB: dify
+      # postgres data directory
+      PGDATA: /var/lib/postgresql/data/pgdata
+    volumes:
+      - ./volumes/pgvector/data:/var/lib/postgresql/data
+    # uncomment to expose db(postgresql) port to host
+    ports:
+      - "5433:5432"
+    healthcheck:
+      test: [ "CMD", "pg_isready" ]
+      interval: 1s
+      timeout: 3s
+      retries: 30