Simplifying systems with Elixir

Transcript

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   Simplifying systems with Elixir @sasajuric aircloak.com

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   Elixir functional concurrent

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   process ... foo(...) bar(...) ...

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   functional Elixir modules and functions immutable data first-class functions

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   ... spawn(fn -> ... end) ...

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   process A ... foo(...) bar(...) ... process B ... baz(...)

   qux(...) ...
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   scheduler scheduler scheduler scheduler BEAM (Erlang VM) CPU CPU CPU

   CPU
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   concurrent functional

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   None
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    None
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    less moving parts simpler development simpler testing simpler deployment simpler

    maintenance improved collaboration
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    theerlangelist.com

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    git clone https://github.com/sasa1977/erlangelist.git mix deps.get && pushd assets && npm

    install && popd iex -S mix phx.server
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    None
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    #1 serving requests

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    http listener https listener

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    http listener https listener handler 1 handler 2 handler n

    …
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    #2 usage stats

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    stats collector handler handler handler disk writer

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    cleanup

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    scheduler cleanup job periodically starts

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    #3 HTTPS

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    our system CA server certificate request challenge info challenge

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    certifier http server usage stats

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    dev CA server

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    None
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    Elixir in a nutshell start simple go far

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    40% off using code ctwlambdup at manning.com

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    None