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Setting Up Nginx Proxy Manager with Docker Compose

Introduction to Nginx Proxy Manager

Nginx Proxy Manager (NPM) simplifies the process of managing Nginx proxy configurations for web services. It provides an easy-to-use dashboard for setting up SSL, redirecting HTTP traffic to HTTPS, proxying websockets, and more.

Docker Compose Configuration for Nginx Proxy Manager

This Docker Compose setup deploys Nginx Proxy Manager alongside a MariaDB database, ensuring a seamless and integrated environment for managing your proxies.

Docker Compose File (docker compose.yml)

version: '3.8'
services:
  app:
    image: 'jc21/nginx-proxy-manager:latest'
    restart: unless-stopped
    ports:
      - '80:80'    # Public HTTP Port
      - '443:443'  # Public HTTPS Port
      - '81:81'    # Admin Web Port
    environment:
      DB_MYSQL_HOST: "db"
      DB_MYSQL_PORT: 3306
      DB_MYSQL_USER: "npm"
      DB_MYSQL_PASSWORD: "npm"
      DB_MYSQL_NAME: "npm"
    volumes:
      - ./data:/data
      - ./letsencrypt:/etc/letsencrypt
    depends_on:
      - db

  db:
    image: 'jc21/mariadb-aria:latest'
    restart: unless-stopped
    environment:
      MYSQL_ROOT_PASSWORD: 'npm'
      MYSQL_DATABASE: 'npm'
      MYSQL_USER: 'npm'
      MYSQL_PASSWORD: 'npm'
    volumes:
      - ./mysql:/var/lib/mysql

Key Components of the Configuration

Services:

  • app (Nginx Proxy Manager):
  • Ports: Exposes the standard HTTP and HTTPS ports for proxy traffic, and a separate port for accessing the admin dashboard.
  • Environment: Configures the database connection to the db service using environment variables.

  • Volumes: Persists NPM data and LetsEncrypt certificates for SSL management.

  • db (MariaDB):

  • Environment: Sets the database credentials and enables automatic database upgrades.
  • Volumes: Stores the MariaDB data persistently.

Configuration Details:

  • Database Connection: The app service is configured to connect to the db service for its database needs. The environment variables specify the host, port, username, password, and database name.
  • Volumes:
  • ./data and ./letsencrypt: These directories on the host are mounted to the NPM container to store application data and SSL certificates, ensuring they persist across container restarts and deployments.
  • ./mysql: This directory is mounted to the MariaDB container, preserving the database across restarts.

Deployment Instructions

  1. Prepare Environment:
  2. Ensure the directories for the volumes exist on your host system. If not, create them to avoid permission issues.
  3. Start Services:
  4. Run docker compose up -d to start the Nginx Proxy Manager and the database.
  5. Access Admin Dashboard:
  6. Access the NPM admin dashboard through http://<host-ip>:81 and proceed with the initial setup, including setting up your first admin user account.
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