Now the only question is: is it possible to restart elixir application programatically from code? I couldn't find any related documentation on this. On Friday, September 24, 2021 at 1:37:11 PM UTC+3 José Valim wrote:
> In addition to what Jon wrote, it is worth keeping in mind that > config/runtime.exs is mostly a wrapper around Application.put_env/4 with > option persistent: true, as you well noted, so you can implement the > functionality you need using those functions if necessary. > > On Fri, Sep 24, 2021 at 12:17 PM Jon Rowe <[email protected]> wrote: > >> Hi Dan >> >> Attempting to answer question 2, the most recent version of elixir adds >> runtime.exs to replace/improve on releases.exs which runs at boot of an >> Elixir app from mix or a release, see >> https://hexdocs.pm/elixir/Config.html#module-config-runtime-exs >> >> Cheers >> Jon >> >> On Fri, 24 Sep 2021, at 10:39 AM, Dan Calancea wrote: >> >> Let's suppose we have a elixir service that spawns some workers to do a >> job, the supervisor takes configuration from config and starts the workers. >> Now the classic way to configure such a project in prod is to use >> *releases.exs*, where you can configure environment variables and the >> release will reload the configuration*.* >> >> What I want to implement now is a dashboard that will control multiple >> services configuration, this means that there should be a centralized >> storage for configuration and some kind of signaling when to change >> configuration. >> >> Let's suppose we use postgres, some tables to store the configuration and >> custom signaling/ postgres NOTIFY to notify that the configuration has >> changed and needs to be reloaded. >> >> The questions that arise are: >> >> 1. Is it possible/recommended to change the *releases.exs *file >> responsible for configuration in a release so that the new configuration >> is >> persisted across reloads? >> 2. Is it possible to implement this for dev environment? since as far >> as I know dev environment does not support runtime configuration >> currently. >> 3. Is it intended behavior that *releases.exs *replaces configuration >> added with *Application.put_env/4 *with option *persistent: true*? >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elixir-lang-core" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elixir-lang-core/d274f872-3b2a-48ed-880e-363c36dcda36n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/elixir-lang-core/d274f872-3b2a-48ed-880e-363c36dcda36n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elixir-lang-core" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/elixir-lang-core/70083903-4d63-46d6-88c6-9a0e95f67aa0%40www.fastmail.com >> >> <https://groups.google.com/d/msgid/elixir-lang-core/70083903-4d63-46d6-88c6-9a0e95f67aa0%40www.fastmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/86eba7be-ce1d-4a84-81ba-a90f8195c4cdn%40googlegroups.com.
