cdk.context.json

{
  "knowledge_base_for_bedrock": {
    "name": "kb-demo",
    "description": "knowledge base description",
    "knowledge_base_configuration": {
      "vector_knowledge_base_configuration": {
        "embedding_model_arn": "arn:aws:bedrock:us-east-1::foundation-model/amazon.titan-embed-text-v1"
      }
    },
    "storage_configuration": {
      "opensearch_serverless_configuration": {
        "field_mapping": {
          "metadata_field": "metadata_field",
          "text_field": "text",
          "vector_field": "vector_field"
        },
        "vector_index_name": "embedding_vectors"
      }
    }
  },
  "knowledge_base_data_source_configuration": {
    "name": "kb-vector-db",
    "data_deletion_policy": "RETAIN",
    "description": "data source description",
    "s3_configuration": {
      "bucket_arn": "arn:aws:s3:::bedrock-kb-us-east-1-123456789012"
    },
    "chunking_configuration": {
      "chunking_strategy": "FIXED_SIZE",
      "fixed_size_chunking_configuration": {
        "max_tokens": 512,
        "overlap_percentage": 20
      }
    }
  },
  "opensearch_collection_name": "kb-vector-db",
  "lambda_layer_lib_s3_path": "s3://lambda-layer-resources/pylambda-layer/opensearch-py-sdk-lib.zip"
}