Managing SECRET_KEY_BASE without Kubernetes/Docker/etc?

Phoenix Forum Questions / Help
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Hmm, generally I wouldn’t generate the SECRET_KEY_BASE if it doesn’t exist, I’d instead always pass it in via Env variables. Specifically these are the situations I’ve dealt with before that didn’t involve Kubernetes/Docker:

  • App deployed on Heroku - Set an env variable in the UI
  • App deployed on Render - Set an env variable in the UI
  • App deployed on my own server and managed with systemd - Set EnvironmentFile=/path/to/some/.env file

That way the only snippet you need is something like:

# /config/runtime.exs

# …
if config_env() == :prod do
  # …
  secret_key_base =
    System.get_env("SECRET_KEY_BASE")
    || raise "SECRET_KEY_BASE is required and was not found"
  # …
end
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