clean up for examples

Author: badmonster0

examples/image_search/.env

@@ -0,0 +1 @@
+export COCOINDEX_DATABASE_URL="postgres://cocoindex:cocoindex@localhost/cocoindex"

examples/image_search/README.md

@@ -30,10 +30,11 @@ This example provides two different image search implementations:
 - Ollama (Optional) for generating image captions
 
 ## Setup
-- Make sure Postgres and Qdrant are running
+- [Install Postgres](https://cocoindex.io/docs/getting_started/installation#-install-postgres) if you don't have one.
+
+- Make sure Qdrant is running
   ```
   docker run -d -p 6334:6334 -p 6333:6333 qdrant/qdrant
-  export COCOINDEX_DATABASE_URL="postgres://cocoindex:cocoindex@localhost/cocoindex"
   ```
 
 ## (Optional) Run Ollama

examples/image_search/colpali_main.py

@@ -4,12 +4,10 @@
 from typing import Any
 
 import cocoindex
-import numpy as np
 from dotenv import load_dotenv
-from fastapi import FastAPI, Query, HTTPException
+from fastapi import FastAPI, Query
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.staticfiles import StaticFiles
-from PIL import Image
 from qdrant_client import QdrantClient
 
 

examples/image_search/pyproject.toml

@@ -4,15 +4,13 @@ version = "0.1.0"
 description = "Image search examples for cocoindex: CLIP and ColPali-based embedding."
 requires-python = ">=3.11"
 dependencies = [
-    "cocoindex>=0.1.75",
+    "cocoindex[colpali]>=0.1.75",
     "python-dotenv>=1.0.1",
     "fastapi>=0.100.0",
     "torch>=2.0.0",
-    "transformers>=4.29.0",  # For CLIP model in main.py
+    "transformers>=4.29.0",       # For CLIP model in main.py
     "qdrant-client>=1.14.2",
     "uvicorn>=0.34.3",
-    "Pillow>=10.0.0",  # For ColPali image processing
-    "numpy>=1.24.0",  # For ColPali embeddings
 ]
 
 [tool.setuptools]