shujaatsiddiqui/GraphQLAndMongoDB

shujaat siddiqui

Software Engineer

GraphQL

MongoDB

GraphQL with HotChocolate & Apollo

Serverside: ASP.Net Core API with HotChocolate GraphQL and MongoDB

Clientside: Reactjs with Apollo Client

Getting Started

Clone the repository to your local machine or download project zip file to your local machine.

For running this project you need the following items to Installed on your local machine

Serverside Prerequisites

Microsoft Visual Studio 2022 - IDE

Dotnet 6 - Framework

MongoDB - DataBase Engine for store data

Clientside Prerequisites

Microsoft Visual Studio Code - IDE

NPM - Package Manager

Serverside Installing

Run the below command to restore, build and run the project

Restore the nuget packages

Buid the project

Run Server Project

Clientside Installing

Run the below command to install dependencies and run project

Install Dependencies

Run Client Project

Deployment

This project is a easy sample for GraphQL in Dotnet with MongoDB and there is no need to Deployed

Authors

Mohsen Asadi - Initial work - MohsenAsadi

License

This project is licensed under the MIT License

Acknowledgments

Storing data in mongoDB

GraphQL Query, Mutation, Subscription Example

Apollo Client

=============== MONGO CLUSTER ===========================

#Reference https://github.com/minhhungit/mongodb-cluster-docker-compose/tree/master/minimize

MongoDB cluster minimize

Config Server: configsvr01

2 Shards (each a 2 member PSS replica set):

1 Routers (mongos): router01

👉 Step 1

docker-compose up -d

👉 Step 2

docker-compose exec configsvr01 sh -c "mongosh < /scripts/init-configserver.js" docker-compose exec shard01-a sh -c "mongosh < /scripts/init-shard01.js" docker-compose exec shard02-a sh -c "mongosh < /scripts/init-shard02.js"

👉 Step 3

docker-compose exec router01 sh -c "mongosh < /scripts/init-router.js"

👉 Step 4

docker-compose exec router01 mongosh --port 27017 // Enable sharding for database `MyDatabase` sh.enableSharding("MyDatabase") // Setup shardingKey for collection `MyCollection`** db.adminCommand( { shardCollection: "NFTDB.Post", key: { _id: "hashed"} } )

✔️ Done !!!

But before you start inserting data you should verify them first

!!! If you want to add new shard to existed cluster, check more here

📋 Verify 🔝

✅ Verify the status of the sharded cluster 🔝

docker-compose exec router01 mongosh --port 27017 sh.status()

✅ Verify status of replica set for each shard 🔝

docker exec -it shard-01-node-a bash -c "echo 'rs.status()' | mongosh --port 27017" docker exec -it shard-02-node-a bash -c "echo 'rs.status()' | mongosh --port 27017"

✅ Check database status

docker-compose exec router01 mongosh --port 27017 use MyDatabase db.stats() db.MyCollection.getShardDistribution()

🔎 More commands

docker exec -it mongo-config-01 bash -c "echo 'rs.status()' | mongosh --port 27017" docker exec -it shard-01-node-a bash -c "echo 'rs.help()' | mongosh --port 27017" docker exec -it shard-01-node-a bash -c "echo 'rs.status()' | mongosh --port 27017" docker exec -it shard-01-node-a bash -c "echo 'rs.printReplicationInfo()' | mongosh --port 27017" docker exec -it shard-01-node-a bash -c "echo 'rs.printSlaveReplicationInfo()' | mongosh --port 27017"

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Posted Jul 10, 2024

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