Install script for Nginx & GrandNode .NET for Ubuntu 18.04 'bionic'

nginx-grandnode.sh

#!/bin/bash

# Nginx installer script - Grandnode.NET example
#
# Pre-req: 
#       * Ubuntu Bionic (18.04) flavored distro
#       * Script must be executed under the account of the web admininstrator
#       * linux-devel-setup.sh - https://gist.github.com/WillSams/f17427b5a4f5bccc23d6efe1389b33ca
#       * mongodb-setup.sh - https://gist.github.com/WillSams/3588b69c805acf07ccb278c55fd91302
#
# Note:  If you don't have Nginx installed, this script will install and do basic setup for you.
#
# Additional notes:
# If you want to setup Nginx w/ KeystoneJS (NodeJS), see my nginx-keystone.sh gist. 
# If you want to setup Nginx w/ Rails (Ruby), see my nginx-rails.sh gist.
# Running the two above scripts on the same web server won't break this script.

set -o nounset                        # unset variables are errors

__ScriptVersion="2018.10.19"
__ScriptName="nginx-grandnode.sh"
__ScriptFullName="$0"

if [ -d /etc/nginx ]; then
  echo "Nginx is already installed on this system."
else
  echo "**************************** NGINX ******************************"
  echo "Installing nginx web server." 
  echo "You may be prompted for root credentials to complete the install."
  echo "*****************************************************************"
  
  echo "**************************** NGINX ******************************"
  echo "Installing nginx web server." 
  echo "You may be prompted for root credentials to complete the install."
  echo "*****************************************************************"
  
  sudo bash -c "add-apt-repository ppa:certbot/certbot -y"
  sudo sudo bash -c "apt update && apt upgrade -y"
  sudo bash -c "apt install nginx python-certbot-nginx -y"
  
  sudo bash -c "ufw allow 'NGINX FULL' && ufw enable"  
  
  sudo bash -c "rm -v /etc/nginx/sites-available/default"  
  sudo bash -c "sed -e '/include \/etc\/nginx\/sites-enabled/ s/^#*/#/' -i /etc/nginx/nginx.conf"
  
  sudo bash -c "echo '#Image Caching
include \/etc\/nginx\/conf.d\/img-cache.conf;' >> /etc/nginx/nginx.conf"
  
  sudo bash -c "echo 'location ~* \.(?:ico|css|js|gif|jpe?g|png)$ {
  expires 90d;
  add_header Pragma public;
  add_header Cache-Control \"public\";
}' >> /etc/nginx/conf.d/img-cache.conf"
  
  touch /etc/nginx/conf.d/default.conf
  
  sudo bash -c "systemctl enable nginx && service nginx start"
fi

if [ -f /etc/systemd/system/example-dotnet.service ]; then
  echo "Web project 'example-dotnet' appears to be already served."
else
  echo "*********************** EXAMPLE-DOTNET **************************"
  echo "Installing the example-dotnet.com project to the nginx web server." 
  echo "You may be prompted for root credentials to complete the install."
  echo "*****************************************************************"
    
  git clone https://github.com/grandnode/grandnode example-dotnet.com  
     
  sudo bash -c "mkdir /var/www/example-dotnet.com"
  sudo bash -c "chown www-data:www-data -R /var/www/example-dotnet.com"  
  
  cd example-dotnet.com 
  dotnet publish Grand.Web -o /var/www/example-dotnet.com -c Release        
  
  sudo bash -c "echo '################################## 
upstream example-dotnet {
  server 127.0.0.1:5000 fail_timeout=0;
}
server {
    listen 80;
    server_name example-dotnet.com;
    root /var/www/example-dotnet.com;
    try_files "'$uri'"/index.html "'$uri'" @example-dotnet;
    location @example-dotnet {
        proxy_set_header X-Forwarded-For "'$proxy_add_x_forwarded_for'";
        proxy_set_header Host "'$http_host'";
        proxy_redirect off;
        proxy_pass http://127.0.0.1:5000;
    }
    error_page 500 502 503 504 /500.html;
    client_max_body_size 4G;
    keepalive_timeout 10;
}   
##################################' >> /etc/nginx/conf.d/default.conf" 
    
  sudo bash -c "echo '[Unit]
Description=GrandNode
 
[Service]
WorkingDirectory=/var/www/example-dotnet.com/
ExecStart=/usr/bin/dotnet /var/www/example-dotnet.com/Grand.Web.dll
Restart=always
RestartSec=10
SyslogIdentifier=dotnet-example-dotnet.com
User=www-data
Environment=ASPNETCORE_ENVIRONMENT=Production
 
[Install]
WantedBy=multi-user.target' >> /etc/systemd/system/example-dotnet.service"
  
  sudo bash -c "systemctl enable example-dotnet.service && service example-dotnet start"
  sudo bash -c "service nginx restart"  
  
  sudo bash -c "echo '  
  0.0.0.0 example-dotnet.com' >> /etc/hosts"
fi

sudo sudo bash -c "apt autoremove && apt clean -y"

echo "Script complete.  Visit the website locally on the server at http://example-dotnet.com"