Ubuntu initial setup for Node.js

ubuntu-20-04-nodejs-initial-setup.md

Initial Server Setup with Ubuntu 20.04

project: kizlyarsk username: amroll

(Optional) Enable SSH access for non root-users

1. sudo vi /etc/ssh/sshd_config
2. change PasswordAuthentication from no to yes
3. save and exit
4. restart ssh sudo systemctl restart ssh

Setup Firewall

1. ufw allow OpenSSH
2. ufw enable

Create a super-user

1. ssh root@your_server_ip
2. adduser amroll
3. usermod -aG sudo amroll
4. rsync --archive --chown=amroll:amroll ~/.ssh /home/amroll
5. exit
6. ssh amroll@your_server_ip

Install Node.js

1. curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
2. source ~/.bashrc
3. nvm install 14
4. cd ~
5. mkdir ~/.npm-global
6. npm config set prefix '~/.npm-global'
7. sudo vi ~/.profile and add export PATH=~/.npm-global/bin:$PATH
8. source ~/.profile
9. nvm use --delete-prefix v14.18.1 <-- check the WARNING message in console log to correct the version number
10. source ~/.profile

Install Database (PostgreSQL)

1. sudo apt update
2. sudo apt install postgresql postgresql-contrib -y
3. sudo -i -u postgres
4. sudo -u postgres createuser --interactive
5. sudo -u postgres createdb -O amroll kizlyarsk
6. sudo -u postgres psql
7. ALTER USER amroll PASSWORD 'password';
8. \q
9. sudo nano /etc/postgresql/12/main/postgresql.conf
10. Change listen_addresses from localhost to *
11. sudo nano /etc/postgresql/12/main/pg_hba.conf
12. sudo ufw allow 5432/tcp
13. sudo systemctl restart postgresql

Deploy from Github

1. cd ~
2. mkdir www
3. cd www
4. git clone git@github.com:danieltorscho/strapi kizlyarsk
5. cd kizlyarsk
6. npm install
7. NODE_ENV=production npm run build
8. sudo ufw allow 1337/tcp (later sudo ufw deny 1337)

Install PM2

1. npm install pm2@latest -g
2. pm2 init
3. sudo vi ecosystem.config.js and replace with following:
   

module.exports = {
  apps: [
    {
      name: 'kizlyarsk',
      cwd: '/home/amroll/www/kizlyarsk',
      script: 'npm',
      args: 'start',
      env: {
        NODE_ENV: 'production',
        DATABASE_HOST: 'localhost', // database endpoint
        DATABASE_PORT: '5432',
        DATABASE_NAME: 'strapi', // DB name
        DATABASE_USERNAME: 'your-name', // your username for psql
        DATABASE_PASSWORD: 'password', // your password for psql
      },
    },
  ],
};

4. pm2 start ecosystem.config.js
5. pm2 startup systemd and copy the output as suggested in terminal
6. sudo env PATH=$PATH:/home/amroll/.nvm/versions/node/v14.18.1/bin /home/amroll/.nvm/versions/node/v14.18.1/lib/node_modules/pm2/bin/pm2 startup systemd -u amroll --hp /home/amroll
7. pm2 save

Install Nginx

1. sudo apt install nginx -y
2. sudo ufw allow 'Nginx HTTP'
3. systemctl status nginx
4. sudo systemctl stop nginx
5. sudo nano /etc/nginx/sites-available/kizlyarsk
6. sudo ln -s /etc/nginx/sites-available/kizlyarsk /etc/nginx/sites-enabled/
7. sudo nano /etc/nginx/nginx.conf> server_names_hash_bucket_size 64;
8. sudo nginx -t
9. sudo systemctl restart nginx