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Bakeware Elixir

author
David Lawrence
• Tuesday, 29 December, 2020
• 8 min read

Compile Elixir applications into single, easily distributed executable binaries Bakeware extends Mix releases with the ability to turn Elixir projects into single binaries that can be copied and directly run.

elixir rose
(Source: www.duluthkitchen.com)

Contents

Bakeware can't tell the difference between the important files and the cruft, so executables will slowly grow in size if you don't do a clean build. Inspect your _build/prod/rel/ directory and especially under lib for files or dependencies that you might be including on accident.

Make sure that compile-time dependencies are marked as runtime: false in your mix.exes so that they're not included Bakeware binaries include the Erlang runtime but there are still dependencies on the host system.

A few special command line arguments can be passed to adjust the launchers' behavior. Bakeware stops parsing command line arguments when it encounters a --.

This is needed to run the OTP releases and it enables start-time optimizations. E.g., bin/my_otp_release start To-do: Add lock file to protect an executable being extracted on top of itself.

Compile Elixir applications into single, easily distributed executable binaries Bakeware was made over a weekend at Spawned 2020 and thanks to the response from the community, we're working on finishing it off.

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(Source: compare.buyhatke.com)

Since everything was written quickly and the integration is fairly straightforward, we recommend that you take a look at the examples. The examples are bare-bones Elixir scripts, OTP applications, Phoenix applications and more with small changes to their mix.exes files and instructions for running that you can try out for yourself.

Bakeware supports an API similar to Erlang's script for implementing a main function. The macros in Bakeware. Script adds the scaffolding to invoke your main/1 function from the release.

Bakeware can't tell the difference between the important files and the cruft, so executables will slowly grow in size if you don't do a clean build. Inspect your _build/prod/rel/ directory and especially under lib for files or dependencies that you might be including on accident.

Bakeware uses Mix releases and inherits the default of starting of Erlang distribution. If you're using Bakeware for command line or other short-lived applications, this unnecessarily starts Erlang distribution servers running and prevents two application instances from running at a time.

To disable, run mix release.unit to create starter env.sh.ex and env.bat.ex files in the rel directory. Bakeware binaries include the Erlang runtime but there are still dependencies on the host system.

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(Source: www.rakuten.com)

Bakeware application launcher A CIO archive of an Erlang/OTP release Trailer This is needed to run the OTP releases and it enables start-time optimizations.

Bakeware is a new fantastic tool, built (by Frank Runlet, Jon Cars tens and Connor Rigby) over a weekend for the Spawned 2020, which compiles an Elixir, a Scenic or a Phoenix application into single executable binary (yes, like Golan!). To see Bakeware in action, let’s create a new Phoenix project called counter, with Liveries support and without Echo.

In the counter Phoenix project’s directory, we create a lib/counter_web/live/counter_live.ex file where we define a Counter Web. CounterLive live view. Ok, we now have a simple Liveries counter application that we can compile with Bakeware.

We first add the : bakeware dependency, pointing the :path to the local baker ware subfolder and setting the :runtime option to false. Most importantly, we add a :releases option in the keyword list returned by project/0.

We set two other options: overwrite: true (if there is an existing release version, overwrite it) and :strip_beams which is true only when the environment is prod (controls if BEAM files should have their debug information, documentation chunks, and other non-essential metadata removed). Remember to add the server: true option to the Counter Web. Endpoint production config, in config/prod.exs.

wheatgrass elixir carrot
(Source: www.williams-sonoma.com)

And then we run the setup and release mix tasks, setting the MIX_ENV env variable to prod. Bakeware builds a single executable binaryWhen we run it we see that our server starts correctly, serving the web app assets (in this case just the JavaScript, CSS and Phoenix Framework logo).

The executable binary, built by Bakeware, has the whole release compressed in it. To optimize the start-time, Bakeware maintains a cache of extracted binaries and assets.

Extracted release in cache folded under lib/counter-1.0/PRI/static we the app static assets. I’ve compiled it with my MacBook Pro with Catalina (10.15.7), so it would be nice to see if it works on a slightly older macOS version, like Mojave (10.14).

I don’t have another Mac, so I use a remote mac mini with macOS 10.14, hosted by MacinCloud, with a pay-as-you-go plan. When we build a release this is supposed to run on a target machine with the same operating system with a similar environment, like C runtime and other libraries referenced by the Erlang runtime and any NFS and ports in the application.

Bakeware was made over a weekend at Spawned 2020 and thanks to the response from the community, we're working on finishing it off. Bakeware extends Mix releases with the ability to turn Elixir projects into single binaries that can be copied and directly run.

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(Source: www.slx-hospitality.com)

Generally, it is expected that you integrate assembly as a Mix release step (see Bakeware.assemble/1) However, this task provides the ability to manually assemble the Bakeware executable binary either for the current project, or for other specified release directories.

Defaults to release directory of current Mix project Bakeware supports an API similar to Erlang's script for implementing a main function.

The macros in Bakeware. Script adds the scaffolding to invoke your main/1 function from the release. Bakeware binaries appear to have a lower bound of about 12 MB in size.

Make sure STD is installed to enable compression during assembly: Bakeware can't tell the difference between the important files and the cruft, so executables will slowly grow in size if you don't do a clean build.

Inspect your _build/prod/rel/ directory and especially under lib for files or dependencies that you might be including on accident. Bakeware uses Mix releases and inherits the default of starting of Erlang distribution.

beekman dispensary 1802 conditioner slx hospitality
(Source: www.slx-hospitality.com)

If you're using Bakeware for command line or other short-lived applications, this unnecessarily starts Erlang distribution servers running and prevents two application instances from running at a time. To disable, run mix release.unit to create starter env.sh.ex and env.bat.ex files in the rel directory.

Bakeware binaries include the Erlang runtime but there are still dependencies on the host system. A few special command-line arguments can be passed to adjust the launchers' behavior.

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Sources
1 www.eatingonadime.com - https://www.eatingonadime.com/crockpot-bbq-meatballs/
2 www.pillsbury.com - https://www.pillsbury.com/recipes/slow-cooker-honey-garlic-meatballs/15ad2292-9fab-49b2-8b18-551c34d79539
3 slowcookingperfected.com - https://slowcookingperfected.com/slow-cooker-bbq-meatballs/
4 www.delish.com - https://www.delish.com/cooking/recipe-ideas/a29538775/crock-pot-grape-jelly-meatballs-recipe/
5 www.iheartnaptime.net - https://www.iheartnaptime.net/bbq-meatballs/
6 momswithcrockpots.com - https://momswithcrockpots.com/crockpot-grape-jelly-bbq-meatballs-recipe/