MongoDB Timeout error while connecting with replicaset

 If you are facing Timed out after 30000 ms while while waiting for a server, here are few solutions you need to check.

• check the docker configuration is proper
• check any other versions of mongo is running in your machine, if you installed community edition and its running it might fail in connecting replicaset
• check connection string proper 

If there is other mongo service running use below command to stop it and then try to connect to mongo

    brew services stop mongodb/brew/mongodb-community@6.0

Replica set configuration

Add below script in docker-compose.yml file

version: '1.0'

services:

  mongo:

    hostname: mongo

    container_name: mongo-workflowforms

    image: mongo:4.2.0

    volumes:

      - ~/mongors/data1:/mongodata/db

      - ./rs-init.sh:/scripts/rs-init.sh

    networks:

      - mongors-network

    ports:

      - "27017:27017"

    restart: always

    entrypoint: 

      - "/usr/bin/mongod"

      - "--bind_ip_all"

      - "--replSet"

      - "testdb"

networks:

  mongors-network:

    driver: bridge

Add below code in rs-init.sh

#!/bin/bash

mongo <<EOF

var config = {

  "_id": "testdb",

  "version": 1,

  "members": [

    {

      "_id": 1,

      "host": "localhost:27017",

      "priority": 3

    }

  ]

};

rs.initiate(config, { force: true });

rs.status();

EOF

while connecting to mongo db give testdb as replicaset name.

If you are still facing the issue please post your logs in comments section. we'll try to solve the issue you are facing