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Supervisord vs forever: What are the differences?
Introduction:
In this Markdown document, we will discuss the key differences between Supervisord and Forever, two popular process management tools used in web development.
Supervisord: Supervisord is a process management tool that allows users to monitor and control multiple processes on a Unix-like system. It provides an easy way to manage processes, start and stop them, and also automatically restart them if they fail.
Forever: Forever is another process management tool, specifically designed for Node.js applications. It is often used to keep Node.js applications running continuously and restart them after crashes or server reboots.
Configuration: In Supervisord, the configuration is done via a configuration file written in INI format. It allows users to set various options such as process name, command, working directory, and environment variables. On the other hand, Forever uses a command-line interface and allows users to set options directly as command-line arguments.
Language Support: Supervisord is not limited to a specific programming language and can be used with any process or service, regardless of the programming language it is written in. Forever, on the other hand, is designed specifically for Node.js applications and provides additional features tailored to the Node.js ecosystem.
Logging: Supervisord provides built-in logging functionality, allowing users to specify log files for each managed process. It also provides options to rotate logs and control log verbosity. Forever, however, does not provide built-in logging functionality and relies on other tools or frameworks to handle logging.
Monitoring and Control: Supervisord provides a web-based interface, known as Supervisor-web, which allows users to monitor and control managed processes through a graphical user interface. Forever does not have a built-in web interface but can be integrated with other monitoring and control tools such as PM2 or Monit.
In summary, Supervisord is a more versatile process management tool suitable for various programming languages, offering a web-based interface for monitoring and control, while Forever is specifically designed for Node.js applications, providing a simpler command-line interface and tight integration with the Node.js ecosystem.
