amitanshusahu / node-containerized-execution-env

LeetCode backend, scaleble nodjs backend which runs user submitted code in a containerized code execution envroment, implementaion of RabbitMq RPC, devops assignment of @hkirat

code-execution-backend-project-1.mp4

Set Up the Project

• clone the repo

git clone https://github.com/amitanshusahu/node-containerized-execution-env.git

• open the server folder inside the repo folder

cd  node-containerized-execution-env/server

• install all dependencies

npm i

• pull node and gcc docker image

# pull latest node image
docker pull node
# pull latest gcc image
docker pull gcc

• run RabbitMq and bind it to port 5672 in a terminal instance

docker run \
-p 5672:5672 \
rabbitmq

• open another terminal instance and run the node server, from server folder

# go to server folder
cd server
# start the server
npm start

• open another terminal instance and serve the index.html, from client folder

# go from server folder to  client folder
cd ../client
# create a static server 
npx serve

make sure 3000, 3010, 5672 are not bussyyyy!!

load test

• install loadtest

npm i -g loadtest

• test the server

# send 1000 reqs with an concorency level 100
loadtest -n 1000 -c 100 http://localhost:3010

References

• Remote Code Execution System just like kirat said
• Using RabbitMQ in node js app
• Docker Engine API to create and work with containers
• An Implementation of the Docker API as node package - Dockerode
• Running Docker/Commnds using "child-process" module in node js (exec, spwan)
• Parallel Processing/Multithreading in node js
• Video Tutorials
  • What are Messagin queue, RabbitMQ pub/sub with nodjs
  • Docker Tutorial, all about docker
  • Scale node js app using cluster module and test it with loadTest

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