ElasticSearch backend

README.md

@@ -27,19 +27,28 @@ If you are not using DDEV, you will need:
 
 - SOLR_HOST - Hostname of Solr server 
 - SOLR_PORT - Port of Solr server 
-- SOLR_CORE - Name of the core of the Solr server 
+- SOLR_CORE - Name of the core of the Solr server
+- ELASTIC_HOST - Hostname and port of Elastic server
+- ELASTIC_API_KEY - API key of Elastic server
+- ELASTIC_INDEX - Name of the index of the Elastic server
 - CONTEXT_TOKEN_COUNT - Maximum token count to be included in LLM context
 - REPLICATE_API_KEY - Replicate API key (if using Replicate LLM)
 - REPLICATE_MODEL_VERSION - Hash of the model version used in Replicate (if using Replicate LLM)
 - KOBOLDAI_HORDE_API_KEY - KoboldAI Horde API key (if using KoboldAI Horde LLM)
 
 ### Backend (database)
 
-Currently only supports Solr server. But more backends (like SQL or Elasticsearch) can be done easily, just implement the `Krisseck\PhpRag\Backend\BackendInterface`.
+- Solr
+- ElasticSearch
+
+More backends (like MySQL or Sqlite) can be done easily, just implement the `Krisseck\PhpRag\Backend\BackendInterface`.
 
 ### LLM
 
-Supports both Replicate and KoboldAI LLM services. Replicate is easier to use, you can get a free API key on https://replicate.com/. 
+- Replicate
+- KoboldAI Horde
+
+Replicate is easier to use, you can get a free API key on https://replicate.com/. 
 
 For Replicate, you need to provide the hash of the model version you will be using. You can get the hash from "Versions" tab on a model's page.
 

composer.json

@@ -5,7 +5,8 @@
         "guzzlehttp/guzzle": "^7.8",
         "vlucas/phpdotenv": "^5.5",
         "symfony/event-dispatcher": "^6.3",
-        "yethee/tiktoken": "^0.2.0"
+        "yethee/tiktoken": "^0.2.0",
+        "elasticsearch/elasticsearch": "^8.10"
     },
     "autoload": {
         "psr-4": {
@@ -17,5 +18,10 @@
             "name": "Kristian Polso",
             "email": "[email protected]"
         }
-    ]
+    ],
+    "config": {
+        "allow-plugins": {
+            "php-http/discovery": true
+        }
+    }
 }