Added Pluggable VectorDBs and Postgresql support

Author: nullure

.env.example

@@ -3,9 +3,29 @@ OM_PORT=8080
 OM_API_KEY=your-secret-api-key-here
 OM_MODE=standard # standard | langgraph
 
-# Database
+# Metadata Store
+# sqlite (default) | postgres
+OM_METADATA_BACKEND=sqlite
 OM_DB_PATH=./data/openmemory.sqlite
 
+# PostgreSQL Settings (used when OM_METADATA_BACKEND=postgres or OM_VECTOR_BACKEND=pgvector)
+OM_PG_HOST=localhost
+OM_PG_PORT=5432
+OM_PG_DB=openmemory
+OM_PG_USER=postgres
+OM_PG_PASSWORD=postgres
+OM_PG_SCHEMA=public
+OM_PG_TABLE=openmemory_memories
+OM_PG_SSL=disable # disable | require
+
+# Vector Store Backend
+# sqlite (default) | pgvector | weaviate
+OM_VECTOR_BACKEND=sqlite
+OM_VECTOR_TABLE=openmemory_vectors
+OM_WEAVIATE_URL=
+OM_WEAVIATE_API_KEY=
+OM_WEAVIATE_CLASS=OpenMemory
+
 # Embeddings Configuration
 # Available providers: openai, gemini, ollama, local, synthetic
 OM_EMBEDDINGS=openai

README.md

@@ -283,11 +283,10 @@ The CLI binds to stdin/stdout using the same toolset shown above, so HTTP and st
 | Phase | Focus                                          | Status         |
 | ----- | ---------------------------------------------- | -------------- |
 | v1.0  | Core HMD backend (multi-sector memory)         | ✅ Complete    |
-| v1.1  | Python SDK + Node SDK                          | ✅ Complete    |
+| v1.1  | Pluggable vector backends (pgvector, Weaviate) | ✅ Complete    |
 | v1.2  | Dashboard (React) + metrics                    | ⏳ In progress |
 | v1.3  | Learned sector classifier (Tiny Transformer)   | 🔜 Planned     |
 | v1.4  | Federated multi-node mode                      | 🔜 Planned     |
-| v1.5  | Pluggable vector backends (pgvector, Weaviate) | 🔜 Planned     |
 
 ---
 

backend/package-lock.json

@@ -12,14 +12,16 @@
         "dotenv": "^16.4.5",
         "mammoth": "^1.11.0",
         "pdf-parse": "^2.4.3",
+        "pg": "^8.16.3",
         "sqlite3": "^5.1.6",
         "turndown": "^7.2.1",
         "ws": "^8.18.3",
         "zod": "^3.23.8"
     },
     "devDependencies": {
         "@types/node": "^20.10.5",
+        "@types/pg": "^8.15.5",
         "tsx": "^4.19.2",
         "typescript": "^5.6.3"
     }
-}
+}

backend/package.json

@@ -21,5 +21,7 @@ export const env = {
     mode: (process.env.OM_MODE || 'standard').toLowerCase(),
     lg_namespace: process.env.OM_LG_NAMESPACE || 'default',
     lg_max_context: Number(process.env.OM_LG_MAX_CONTEXT) || 50,
-    lg_reflective: (process.env.OM_LG_REFLECTIVE ?? 'true').toLowerCase() !== 'false'
+    lg_reflective: (process.env.OM_LG_REFLECTIVE ?? 'true').toLowerCase() !== 'false',
+    metadata_backend: (process.env.OM_METADATA_BACKEND || 'sqlite').toLowerCase(),
+    vector_backend: (process.env.OM_VECTOR_BACKEND || 'sqlite').toLowerCase()
 }