![]() You then submit the source code package - not the binary package - to distributions, and they build the binary package for you. It creates a so-called binary package.ĭistributions expect you to create a so-called source package, which contains files that describe steps 1 and 2. Here you map files in the source tree, and compilation artifacts, into files inside a package.įPM only covers step 3. Think about how the full package building process looks like: How come FPM is not the "right" way to package if you want to submit your package for inclusion in Linux distributions? It's because distributions want you to fully describe the entire package building process, and because using FPM does not adhere to their process standards. The official package creation process (a.k.a. deb file just gets you half way: you also need an APT repository, because users seldomly interact with individual. See fpm -help.Ĭongratulations! You've created your first Debian package. Many more customization options are available. You can view the other metadata by extracting all metadata to files:įpm \ -input-type dir \ -output-type deb \ -name mypackage \ -version 1.0.0 \ -architecture all \ -package mypackage_1.0.0_all.deb \ -depends curl \ There's more metadata than just the control section. For an overview of all fields, and a deeper explanation of what they mean, have a look at the Debian Policy Manual. Most of the fields are pretty self-explanatory. This convenience package provides the development dependencies for compiling an Nginx module. Makes deployment of web apps very easy and robust. Size 4237584 bytes: control archive=3124 bytes.ĭepends: ruby2.7 | ruby2.6 | ruby2.5 | ruby2.4 | ruby2.3 | ruby2.2 | ruby2.1 | ruby2.0 | ruby1.9.1 | ruby1.8 | ruby-interpreter, passenger (= 1:6.0.6-1~xenial1)ĭescription: Dependencies for compiling an Nginx moduleĬonvenience package that helps users to easily createĪ custom compilation of Nginx and the PassengerĪpplication server. Go ahead and install dpkg, because the rest of this article assumes that you have it. Just don't expect to be able to install any useful packages. ![]() You actually don't need to run Debian/Ubuntu in order to create and inspect Debian packages! The Debian package manager dpkg is available on other operating systems too. The dpkg-APT relationship is like the RPM-DNF relationship on RHEL/CentOS (or RPM-YUM on older versions). That's why users usually only interact with APT, even though dpkg is the part that performs the core of the work. deb files from the Internet, as well as dependency resolution. deb files and remove already-installed packages.ĪPT handles downloading. The lowest part is dpkg and is what manages the system's database that describes which packages are installed. The Debian packaging system actually consists of two parts. Two layers of package management tooling: dpkg and APT deb file with the metadata and files that you want to put inside it. It's not actually a tar.gz or zip: the format is ar although that's not important.ĭebian packaging, in its simplest form, thus involves creating a. ![]() deb file - is sort of like a tar.gz or zip. The files are extracted into the filesystem root (/), so the file paths in a package are absolute paths. The metadata contains the package name, description, a list of dependencies, and more. ![]() Distributions, components and architecturesĪ Debian package contains metadata and files.The official package creation process (a.k.a.Inspecting a package with Midnight Commander.Two layers of package management tooling: dpkg and APT.Instead, I'll cover just enough of the basics to help you develop a mental model of what Debian packaging is about, and to be able to produce useful results. This is not a full guide into all aspects of packaging. In this guide I'll provide a simple introduction into the Debian packaging process and its most important concepts. Debian packaging can be quite mysterious and hard to figure out.
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