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LucaNerlich committed 82cd91c Jun 25, 2020
Updated README.md
* Adding a TOC
* Adding a basic authentication example

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README.md

nginx ui

Docker Image CI

Image of Nginx UI

Table of Contents

Introduction

We use nginx in our company lab environment. It often happens that my colleagues have developed an application that is now deployed in our Stage or Prod environment. To make this application accessible nginx has to be adapted. Most of the time my colleagues don't have the permission to access the server and change the configuration files and since I don't feel like doing this for everyone anymore I thought a UI could help us all. If you feel the same way I wish you a lot of fun with the application and I am looking forward to your feedback, change requests or even a star.

Setup

Containerization is now state of the art and therefore the application is delivered in a container.

Example

  • -d run as deamon in background
  • --restart=always restart on crash or server reboot
  • --name nginxui give the container a name
  • -v /etc/nginx:/etc/nginx map the hosts nginx directory into the container
  • -p 8080:8080 map host port 8080 to docker container port 8080
docker run -d --restart=always --name nginxui -v /etc/nginx:/etc/nginx -p 8080:8080 schenkd/nginx-ui:latest

Docker

Repository @ DockerHub

Docker Compose excerpt

# Docker Compose excerpt
services:
  nginx-ui:
    image: schenkd/nginx-ui:latest
    ports:
      - 8080:8080
    volumes:
      - nginx:/etc/nginx

UI

Image of Nginx UI

With the menu item Main Config the Nginx specific configuration files can be extracted and updated. These are dynamically read from the Nginx directory. If a file has been added manually, it is immediately integrated into the Nginx UI Main Config menu item.

Image of Nginx UI

Adding a domain opens an exclusive editing window for the configuration file. This can be applied, deleted and enabled/disabled.

Authentication

BasicAuth with nginx

In general, this app does not come with authentication. However, it is easy to setup basic auth to restrict unwanted access. Here is how this can be done when using nginx.

Configure the auth file

  1. Verify that apache2-utils (Debian, Ubuntu) or httpd-tools (RHEL/CentOS/Oracle Linux) is installed
  2. Run the htpasswd utility to create a new user and set a passwort.
    • Make sure, that the directory exists
    • Remove the -c flag, if you have created a user before, since it creates the inital user/passwort file
    • sudo htpasswd -c /etc/apache2/.htpasswd user1

Configure nginx

The following example adds basic auth to our nginxui app running in a docker container with a mapped port 8080. In this case, it will be accessible via nginx.mydomain.com

server {
    server_name nginx.mydomain.com;

    location / {
        proxy_pass http://127.0.0.1:8080/;
    }

    auth_basic "nginxui secured";
    auth_basic_user_file /etc/apache2/.htpasswd;

    # [...] ommited ssl configuration
}
  1. Add above nginx conf to your /etc/nginx/my.conf file
  2. Run nginx -t to make sure, that your config is valid
  3. Run systemctl restart nginx (or equivalent) to restart your nginx and apply the new settings
  4. Your nginx ui is now accessible at nginx.mydomain.com and will correctly prompt for basic auth
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