server-setup

-------------------------------------- SERVER SETUP STEPS -------------------------------------------------------

******************************* DEPENDENCIES INSTALLATION *******************************
1. Check ubuntu version using command, lsb_release -a
2. Install apache according to ubuntu version
3. apt-get update
4. apt-get install apache2
5. INSTALL NVM FROM HERE---------------- https://gist.github.com/d2s/372b5943bce17b964a79
6. Install Node -  nvm install v8.9.0 or higher
7. Install MongoDB - https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/ 
8. Install PM2 globally - sudo npm install pm2 -g
9. apt-get install python-minimal
10. apt-get install git-core
11. sudo apt-get install g++ build-essential
12. cd /opt && git clone https://github.com/certbot/certbot.git  - https://medium.com/@saurabh6790/generate-wildcard-ssl-certificate-using-lets-encrypt-certbot-273e432794d7


******************************* ENABLE REQUIRED PORTS AND MODES  *******************************
1. sudo ufw allow 3003/tcp , here 3003 is port number
2. a2enmod rewrite
3. a2enmod proxy_http 
4. a2enmod proxy
5. a2enmod proxy_wstunnel


******************************* GENERAL COMMANDS  *******************************
sudo systemctl restart apache2
sudo systemctl stop apache2
sudo service mongod start
sudo service mongod restart
sudo service mongod stop
sudo service mongod status

apachectl configtest  - Test all apache site or modes configurations

pm2 start file.js --name projectname
pm2 ls 
pm2 delete processname or index
pm2 stop processname or index
pm2 restart processname or index
pm2 logs processname or index

 pm2 start npm --name "next" -- start // start web server using NextJs


****************************** Clone Repo *****************************
1. cd /home
2. Git clone your repo(s) here.


******************************* Site Configuration  *******************************

IF YOU WANT AN API SETUP FOLLOW API PROCESS ONLY or vice versa.

------------------------- (API e.g NodeJS) --------------------------

1. Goto cd /etc/apache2/sites-available
2. cp 000-default.conf api.example.conf
3. nano api.example.conf
4. Update the file with below code 

```
<VirtualHost *:80>
    ServerAdmin demo@example.io
    DocumentRoot /home/foldername/
    ServerName api.example.com

    RewriteEngine On
    RewriteCond %{REQUEST_URI}  ^/socket.io            [NC]
    RewriteCond %{QUERY_STRING} transport=websocket    [NC]
    RewriteRule /(.*)           ws://127.0.0.1:3006/$1 [P,L]

    ProxyPass        /socket.io  http://127.0.0.1:3006/socket.io
    ProxyPassReverse /socket.io  http://127.0.0.1:3006/socket.io

    ProxyPreserveHost On
    ProxyPass / http://127.0.0.1:3005/
    ProxyPassReverse / http://127.0.0.1:3005/

    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
    RewriteCond %{SERVER_NAME} =api.example.com
    RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>
```

5. Save and Exit Ctrl + O and Ctrl + X
6. Enable site - a2ensite api.example.conf
7. apachectl configtest
8. sudo systemctl restart apache2 
9. You will see refernce of this file in /etc/apache2/sites-enabled
10. Goto cd /home/foldername
11. npm i
12. pm2 start index.js --name projectname


------------------------- (Website e.g. ReactJS) --------------------------

1. Goto cd /etc/apache2/sites-available
2. cp 000-default.conf web.example.conf
3. nano web.example.conf
4. Update the file with below code 

```
<VirtualHost *:80>

    ServerAdmin demo@example.io
    DocumentRoot /home/foldername/dist
    ServerName web.example.com

    <Directory /home/foldername/dist>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride All
        Allow from All
        Require all granted
    </Directory>

    RewriteEngine on
    RewriteCond %{SERVER_NAME} =web.example.com
    RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]

</VirtualHost>
```
5. apachectl configtest
6. Save and Exit Ctrl + O and Ctrl + X
7. Enable site - a2ensite web.example.conf
8. sudo systemctl restart apache2 
9. You will see refernce of this file in /etc/apache2/sites-enabled


ADDTIONAL INFO 

1. DocumentRoot path must contain a index.html file.
2. cd /home/foldername/dist
3. nano .htaccess - 
4. add below code then save and Exit

```
RewriteEngine On
# If an existing asset or directory is requested go to it as it is
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -f [OR]
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -d
RewriteRule ^ - [L]
# If the requested resource doesn't exist, use index.html
RewriteRule ^ /index.html
```




******************************* ENABLE SSL  *******************************
1. Go to cd /opt/certbot
2. Run ./certbot-auto and Follow instructions.


Good Byeeeee Have a happy time while server setup.