feat: Add SSL configuration option for Postgres connections (#4130)

Update README files for Postgres Record Manager and Vector Store to include a new SSL environment variable, allowing optional SSL configuration for database connections

packages/components/nodes/vectorstores/Postgres/driver/Base.ts

@@ -2,7 +2,7 @@ import { VectorStore } from '@langchain/core/vectorstores'
 import { getCredentialData, getCredentialParam, ICommonObject, INodeData } from '../../../../src'
 import { Document } from '@langchain/core/documents'
 import { Embeddings } from '@langchain/core/embeddings'
-import { getDatabase, getHost, getPort, getTableName } from '../utils'
+import { getDatabase, getHost, getPort, getSSL, getTableName } from '../utils'
 
 export abstract class VectorStoreDriver {
     constructor(protected nodeData: INodeData, protected options: ICommonObject) {}
@@ -23,6 +23,10 @@ export abstract class VectorStoreDriver {
         return getPort(this.nodeData) as number
     }
 
+    getSSL() {
+        return getSSL(this.nodeData) as boolean
+    }
+
     getDatabase() {
         return getDatabase(this.nodeData) as string
     }

packages/components/nodes/vectorstores/Postgres/driver/TypeORM.ts

@@ -29,6 +29,7 @@ export class TypeORMDriver extends VectorStoreDriver {
                 type: 'postgres',
                 host: this.getHost(),
                 port: this.getPort(),
+                ssl: this.getSSL(),
                 username: user, // Required by TypeORMVectorStore
                 user: user, // Required by Pool in similaritySearchVectorWithScore
                 password: password,