The perfect combination of Nginx Proxy Manager and Docker: quickly build containerized applications

The perfect combination of Nginx Proxy Manager and Docker: quickly build containerized applications

With the rapid development of cloud computing and containerization technology, more and more developers Developers and enterprises deploy applications into containers. As one of the most popular containerization platforms currently, Docker provides convenience for the deployment, management and expansion of applications. Nginx Proxy Manager, as a reverse proxy tool based on Nginx, can help us achieve application load balancing, proxy and virtual host settings through simple configuration. This article will introduce the perfect combination of Nginx Proxy Manager and Docker to achieve the goal of quickly building containerized applications, and provide specific code examples.

1. Introduction to Nginx Proxy Manager
Nginx Proxy Manager is an open source project based on Nginx. It is designed to help users configure Nginx's reverse proxy and virtual host through a simple graphical interface. It supports HTTP and HTTPS protocols and can configure proxies and load balancing for multiple applications. Through Nginx Proxy Manager, we can easily manage multiple domain names and subdomain names to achieve flexible routing and load balancing of applications.

2. Introduction to Docker
Docker is an open source containerization platform that can package an application and its dependent software into a container to form an independent and portable application. With Docker, we can deploy applications quickly and consistently and achieve seamless transitions between development and production environments. The core concepts of Docker include images, containers, warehouses, and networks.

3. The combination of Nginx Proxy Manager and Docker
The combination of Nginx Proxy Manager and Docker takes advantage of the containerization feature of Docker, allowing us to quickly build and manage the reverse proxy of the application. Here is a concrete example to demonstrate how to use Nginx Proxy Manager and Docker to build a web-based application:

1. Install Docker and Docker Compose
   First, we need to install Docker on the host machine and Docker Compose. For specific installation steps, please refer to Docker official documentation.
2. Create a Docker Compose file
   Create a file named docker-compose.yml in the root directory of the project and add the following content:

version: "3"
services:
  nginx-proxy:
    image: jwilder/nginx-proxy
    restart: always
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - "/var/run/docker.sock:/tmp/docker.sock:ro"

  nginx-proxy-manager:
    image: jlesage/nginx-proxy-manager
    restart: always
    ports:
      - "81:81"
      - "444:444"
    environment:
      - "DB_SQLITE_FILE=/data/database.sqlite"
      - "DATA_PATH=/data"

  app:
    image: your-app-image
    restart: always
    environment:
      - "VIRTUAL_HOST=your-domain.com"

The above configuration file Three services are defined: nginx-proxy is a reverse proxy service used to handle HTTP and HTTPS requests, nginx-proxy-manager is a graphical interface service used to manage Nginx agents, and app serves our own applications.

3. Start the Docker container
   Run the following command to start the Docker container:

docker-compose up -d

4. Configure Nginx Proxy Manager
   Access http in the browser: //your-host-name:81, enter the graphical interface of Nginx Proxy Manager. Add a new proxy host (Proxy Hosts) to the interface and configure the corresponding domain name and backend service. In this way, Nginx Proxy Manager will forward the request to our application service.

The above example demonstrates how to use Nginx Proxy Manager and Docker to quickly build containerized applications. Through the graphical interface of Nginx Proxy Manager, we can easily configure reverse proxy and virtual host, and achieve flexible routing and load balancing of applications.

Summary
The combination of Nginx Proxy Manager and Docker provides us with a solution to quickly build containerized applications. Through simple configuration and interface operations, we can easily implement reverse proxy and virtual host settings. At the same time, using Docker's containerization features, we can achieve rapid deployment and expansion of applications. The above example provides a specific usage scenario and provides corresponding code examples, hoping to help readers better understand and apply the perfect combination of Nginx Proxy Manager and Docker.

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