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lines changed Original file line number Diff line number Diff line change @@ -367,49 +367,49 @@ All backends support these universal operators:
367367Create a ` .env ` file in your project root:
368368
369369``` bash
370- # OpenAI
370+ # OpenAI Embedding Provider
371371OPENAI_API_KEY=sk-...
372372
373- # Gemini
373+ # Gemini Embedding Provider
374374GEMINI_API_KEY=AI...
375375
376- # Optional: Override default embedding model (each adapter has its own default )
377- # VECTOR_EMBEDDING_MODEL=gemini -embedding-001
376+ # Optional: Override default embedding model (adapter-specific )
377+ VECTOR_EMBEDDING_MODEL=text -embedding-3-small
378378
379- # AstraDB
379+ # AstraDB Backend
380380ASTRA_DB_APPLICATION_TOKEN=AstraCS:...
381- ASTRA_DB_API_ENDPOINT=https://...
382- ASTRA_DB_COLLECTION_NAME=vectors
381+ ASTRA_DB_API_ENDPOINT=https://...apps.astra.datastax.com
383382
384- # ChromaDB ( Cloud)
385- CHROMA_API_KEY=...
383+ # ChromaDB Cloud Backend
384+ CHROMA_API_KEY=ck- ...
386385CHROMA_TENANT=...
387- CHROMA_DATABASE=...
386+ CHROMA_DATABASE=Test
388387
389- # ChromaDB ( Self-hosted HTTP)
388+ # ChromaDB Self-hosted ( HTTP)
390389CHROMA_HOST=localhost
391390CHROMA_PORT=8000
392391
393- # ChromaDB ( Local persistence )
392+ # ChromaDB Local (Persistent )
394393CHROMA_PERSIST_DIR=./chroma_data
395394
396395# Note: Cannot set both CHROMA_HOST and CHROMA_PERSIST_DIR
397396# Choose one based on deployment mode
398397
399- # Milvus
398+ # Milvus Backend
400399MILVUS_API_ENDPOINT=https://...
401400MILVUS_API_KEY=...
402401
403- # PgVector
402+ # PgVector Backend
404403PGVECTOR_HOST=localhost
405404PGVECTOR_PORT=5432
406- VECTOR_COLLECTION_NAME=vector_db
407405PGVECTOR_USER=postgres
408406PGVECTOR_PASSWORD=postgres
409407
410- # Vector settings
411- VECTOR_STORE_TEXT=true
408+ # Vector Configuration (applies to all backends)
409+ VECTOR_COLLECTION_NAME=vector_db
410+ VECTOR_STORE_TEXT=false
412411VECTOR_METRIC=cosine
412+ VECTOR_DIM=1536
413413VECTOR_SEARCH_LIMIT=10
414414PRIMARY_KEY_MODE=uuid
415415LOG_LEVEL=INFO
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