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Project Notes

Elixir on MacOS

Installing Elixir on MacOS


Trying two options for running Elixir on MacOS - brew and docker

Using Homebrew

Installing with brew and the Elixir Homebrew Fomula

$ brew update
$ brew install elixir
$ brew info elixir
elixir: stable 1.10.0 (bottled), HEAD
Functional metaprogramming aware language built on Erlang VM
/usr/local/Cellar/elixir/1.10.0 (430 files, 5.9MB) *
  Poured from bottle on 2020-02-01 at 14:34:05
==> Dependencies
Required: erlang ✔
==> Options
  Install HEAD version
==> Analytics
install: 7,722 (30 days), 24,418 (90 days), 101,881 (365 days)
install-on-request: 7,290 (30 days), 22,832 (90 days), 94,499 (365 days)
build-error: 0 (30 days)

Installed version:

$ elixir --version
Erlang/OTP 22 [erts-10.6.2] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:1] [hipe] [dtrace]

Elixir 1.10.0 (compiled with Erlang/OTP 22)

Running the REPL:

$ iex
Erlang/OTP 22 [erts-10.6.2] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:1] [hipe] [dtrace]

Interactive Elixir (1.10.0) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> System.version
iex(2)> :c.uptime
34 seconds

Running scripts:

$ elixir demo.exs
System.version: 1.10.0

Using Docker

Official Elixir Docker images are published on Docker Hub

Running interactive:

$ docker run -it --rm elixir
Unable to find image 'elixir:latest' locally
latest: Pulling from library/elixir
Digest: sha256:d3958dd5ba502b94b467699c595762a4bf2059eabb5f6b68ef4c6b6063362db5
Status: Downloaded newer image for elixir:latest
Erlang/OTP 22 [erts-10.6.2] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe]

Interactive Elixir (1.10.0) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> System.version
iex(2)> :c.uptime
38 seconds

Run a single Elixir exs script: this command maps the current directoty to /usr/src/myapp in the container and sets this as the working directory to run the names script:

$ docker run -it --rm --name elixir-lckdemo -v "$PWD":/usr/src/myapp -w /usr/src/myapp elixir elixir demo.exs
System.version: 1.10.0

Credits and References

About LCK#204 elixirdocker
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This page is a web-friendly rendering of my project notes shared in the LittleCodingKata GitHub repository.

LittleCodingKata is my collection of programming exercises, research and code toys broadly spanning things that relate to programming and software development (languages, frameworks and tools).

These range from the trivial to the complex and serious. Many are inspired by existing work and I'll note credits and references where applicable. The focus is quite scattered, as I variously work on things new and important in the moment, or go back to revisit things from the past.

This is primarily a personal collection for my own edification and learning, but anyone who stumbles by is welcome to borrow, steal or reference the work here. And if you spot errors or issues I'd really appreciate some feedback - create an issue, send me an email or even send a pull-request.