Show HN: Usr/bin/env Docker run

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  1. cosmopolitan

    build-once run-anywhere c library

    For this .args file, put one argument per line. This will run on start. You can use `/zip/mydepencency.anything` to read from files, but if you have an executable dependency you'll need to extract it first.

    You can do this with any software you can compile with comsocc, by adding a call to LoadZipArgs[1] in the main function.

    It'seasy to get started, your ideas will branch out as soon as you start playing with it.

    [1]: https://github.com/jart/cosmopolitan/blob/master/tool/args/a...

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. docker-rebase

    Rebase slim Docker Images on top of other ones

    I've got that for rebasing: https://github.com/efrecon/docker-rebase

  4. coreutils

    upstream mirror (by coreutils)

    The -S / --split-string option[1] of /usr/bin/env is a relatively recent addition to GNU Coreutils. It's available starting from GNU Coreutils 8.30[2], released on 2018-07-01.

    Beware of portability: it relies on a non-standard behavior from some operating systems. It only works for OS's that treat all the text after the first space as argument(s) to the shebanged executable; rather than just treating the whole string as an executable path (that can happen to contain spaces).

    Fortunately this non-standard behavior is more the norm than the exception: it works at least on modern GNU/Linux, BSDs, and macOS.

    [1] https://www.gnu.org/software/coreutils/manual/html_node/env-...

    [2] https://github.com/coreutils/coreutils/blob/b09dc6306e7affaf...

  5. arx

    Bundles code and a job to run for local or remote execution.

    For those wanting to go down the self-extracting executable route, I recommend arx (it generates that sort of tarball-prepended-with-shell-script you describe) https://github.com/solidsnack/arx

    The `nix bundle` command can generate an arx file, which includes all of an application's dependencies. As an example, we started getting issues with an EC2 server whose image was an accumulation of changes over several years; whilst we worked on migrating to a saner setup (containers defined using Nix), as a stop-gap we got the server working again by using `nix bundle` to create an arx executable containing working versions of all the application's dependencies, which we could copy to the existing server as a drop-in replacement of the existing (broken) command.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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