[erlang-questions] Deployment rebar3

[Jesper Louis Andersen]

On Mon, May 7, 2018 at 4:44 PM Guilherme Andrade <g@REDACTED> wrote:

> On 7 May 2018 at 15:03, Stefan Hellkvist <hellkvist@REDACTED> wrote:
>
>> What's "best" is very much depending on who you ask, but, for starters
>> you may consider wrapping your configuration with something that allows you
>> to override config variables with environment variables (see example below).
>>
>
> rebar3 releases provide this out of the box:
>
> https://www.rebar3.org/docs/releases#dynamic-configuration
>
>
>
When it works :)

If you use it, copy `sys.config` to `sys.config.orig` as well and deliver
this to the machine. That way, the script won't try to save
`sys.config.orig` if it is not present. This makes your dynamic
configuration more static and can avoid some situations where the expanded
`sys.config` is being copied into `sys.config.orig`. This then removes the
dynamic configuration altogether.
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