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Revise 'rocket::custom()' explanation for updated guide.

This commit is contained in:
Sergio Benitez 2018-10-15 22:20:00 -07:00
parent 26ee132782
commit 3151bdc212
1 changed files with 9 additions and 3 deletions
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12
site/guide/9-configuration.md
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@ -237,9 +237,10 @@ ROCKET_ARRAY=[1,"b",3.14]
ROCKET_DICT={key="abc",val=123}
```
## rocket::custom
## Custom Programmatic Configuration
Rocket can also be configured using `rocket::custom` and passing configuration options like so:
In addition to using environment variables or a config file, Rocket can also be
configured using the [`rocket::custom()`] method and [`ConfigBuilder`]:
```rust
use rocket::config::{Config, Environment};
@ -252,7 +253,12 @@ let config = Config::build(Environment::Staging)
let app = rocket::custom(config, false);
```
If Rocket is launched through `rocket::custom` it will ignore `Rocket.toml` and any environment variables present, allowing you to use your own configuration loading code.
Configuration via `rocket::custom()` replaces all configuration from
`Rocket.toml` or environment variables. In other words, using `rocket::custom()`
results in `Rocket.toml` and environment variables being ignored.
[`rocket::custom()`]: @api/rocket/fn.custom.html
[`ConfigBuilder`]: @api/rocket/config/struct.ConfigBuilder.html
## Configuring TLS