Hello,
I am using amazon beanstalk, which allows me to define app parameters using
system environment variables.
If there was only a few well defined variables I would want to override,
the following would be fine:
http {
port = 8080
port = ${?HTTP_PORT}
}
But there are a lot of parameters to override, and moreover I don't want to
have to explicitely define them beforehand.
What I'd like would be to use system environment variables just like java
properties, meaning to have:
set spray.can.server.registration-timeout=5s
java -jar application.jar
work exactly like:
java -Dspray.can.server.registration-timeout=5s -jar application.jar
I tried the following:
val default = ConfigFactory.parseString(
"""a {
| b = "foo"
}
""".stripMargin)
val conf = ConfigFactory.systemEnvironment().withFallback(default)
println(conf.getString("a.b"))
which kept printing "foo" even if I defined the environment variable a.b to
"bar". I think it doesn't work because withFallback won't override values
that are already defined.
Do you guys have any idea on how to solve this?
Thanks,
Pierre
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