aptly vs fpm: What are the differences?

# Key Differences between aptly and fpm 

aptly and fpm are both package management tools but have distinct differences that make them suitable for different use cases. 

1. **Package Sources**: aptly is a repository management tool that can create and manage Debian package repositories, while fpm is more versatile and can work with a variety of package formats such as DEB, RPM, Python Eggs, and others.
   
2. **Build Process**: aptly does not provide built-in package building capabilities and relies on external tools for package creation, whereas fpm includes the ability to build packages from source files or binaries directly.

3. **Dependency Resolution**: aptly by default relies on APT package manager for dependency resolution when working with Debian packages, while fpm does not have built-in dependency handling and requires users to manage dependencies manually.

4. **Suitable Environments**: aptly is better suited for managing and hosting Debian package repositories for software distribution, while fpm is commonly used for creating standalone packages for deployment or installation on various systems.

5. **Community Support**: aptly has a strong community support for Debian-based systems due to its focus on managing Debian packages, while fpm has broader community support across multiple platforms due to its versatility with different package formats.

6. **Extensibility**: fpm allows for custom plugins and scripts to extend its functionality, making it highly customizable, whereas aptly has limited extensibility options and is more focused on repository management.

In Summary, aptly is specialized for managing Debian package repositories with APT integration, while fpm is a versatile tool for creating packages in various formats with greater customization capabilities.