ndahigeze / jasiri_node

JASIRI SIMULATION

• Nodejs and HAPIJS project for managing users and their contacts

PROCESS AND STEP FOR HOSTING THIS APPLICATION ON UBUNTU LINUX SERVER

STEP 1: INSTALL REQUIRED LIBRARIES

INSTALL NODEJS

install NodeSource PPA

  curl -sL https://deb.nodesource.com/setup_14.x -o nodesource_setup.sh 

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  sudo bash nodesource_setup.sh

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  sudo apt install nodejs

Check node version

 node -v

Install build-essential for packages that require compiling from source

sudo apt install build-essential

Pull application from git

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Enter in project root directory and install all dependencies

  npm install

Try to run the project to check if it will start

 npm start

• after project start you try access it on server IP ADDRESS on port 4000 If it works you can stop it for the next process

STEP 2 PREPARE .env File

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• This project Use Mongodb as DBMS,DATABASE_URL should be a link to mongoDB database

  Below are the required environment variables

PORT=[PORT]
DATABASE_URL=[LINK_TO_CONNECT_TO_DB]
SESSION_PASSWORD=[PROJECT_SESSION_PASSWORD]

STEP 3: Install PM2 (Process manager for Nodejs)

Install PM2 while still in projects root folder

sudo npm install pm2@latest -g

Allow project to be managed by PM2

start the application With PM2

 pm2 start app.js

• It should output a table which has a column status=online Enable application to run on system startup

  pm2 startup systemd

• With a new version of PM2 it will create and save PM2 process list no additional steps Start PM2 service which will in turn run the projects

sudo systemctl start pm2-[current system user]

check PM2 service status

systemctl status pm2-sammy

Check project status with pm2

pm2 monit

• At this point if everything is okay the project is accessible on server public IP

STEP 4: SET UP NGINX FOR REVERSE Proxy and assign domain if you have one

Create NGINX CONFIG FILE

sudo nano /etc/nginx/sites-available/jasiri.com

• copy following in the file

 server {
 location / {
 proxy_pass http://localhost:[port];
 proxy_http_version 1.1;
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Connection 'upgrade';
 proxy_set_header Host $host;
 proxy_cache_bypass $http_upgrade;
 }
 }

Load configurations

sudo nginx -t

restart NGINX

sudo systemctl restart nginx

Application should be accessible on public IP Address or server domain name