unique collab serverId generation

apps/server/src/collaboration/collaboration.gateway.ts

@@ -18,6 +18,8 @@ import {
 import { WsSocketWrapper } from './extensions/redis-sync/ws-socket-wrapper';
 import RedisClient from 'ioredis';
 import { pack, unpack } from 'msgpackr';
+import { nanoid } from 'nanoid';
+import * as os from 'node:os';
 import { CollabWsAdapter } from './adapter/collab-ws.adapter';
 import {
   CollaborationHandler,
@@ -65,7 +67,7 @@ export class CollaborationGateway {
           family: this.redisConfig.family,
           retryStrategy: createRetryStrategy(),
         }),
-        serverId: `collab-${process.pid}`,
+        serverId: `collab-${os?.hostname()}-${nanoid(10)}`,
         prefix: 'collab',
         pack,
         unpack,

apps/server/src/collaboration/extensions/redis-sync/redis-sync.extension.ts

@@ -1,4 +1,4 @@
-// Adapted from https://github.com/ueberdosis/hocuspocus/pull/1008 - MIT
+// Source https://github.com/ueberdosis/hocuspocus/pull/1008 - MIT
 import { IncomingMessage } from 'node:http';
 import {
   Extension,
@@ -12,7 +12,7 @@ import RedisClient from 'ioredis';
 import { readVarString } from 'lib0/decoding.js';
 import { WebSocket } from 'ws';
 import { CollabProxySocket } from './collab-proxy-socket';
-import { Injectable, Logger } from '@nestjs/common';
+import { Logger } from '@nestjs/common';
 import {
   BaseWebSocket,
   Configuration,