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Mimic Rocket's config in custom providers example.

This commit is contained in:
Sergio Benitez 2020-10-30 03:07:35 -07:00
parent de1cffba46
commit edc91f65b7
2 changed files with 10 additions and 7 deletions
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9
core/lib/src/config/mod.rs
View File

@ -58,8 +58,9 @@
//!
//! An application that wants to use Rocket's defaults for [`Config`], but not
//! its configuration sources, while allowing the application to be configured
//! via an `App.toml` file and `APP_` environment variables, can be structured
//! as follows:
//! via an `App.toml` file that uses top-level keys as profiles (`.nested()`)
//! and `APP_` environment variables as global overrides (`.global()`), can be
//! structured as follows:
//!
//! ```rust
//! # #[macro_use] extern crate rocket;
@ -83,8 +84,8 @@
//! fn rocket() -> _ {
//! let figment = Figment::from(rocket::Config::default())
//! .merge(Serialized::defaults(Config::default()))
//! .merge(Toml::file("App.toml"))
//! .merge(Env::prefixed("APP_"));
//! .merge(Toml::file("App.toml").nested())
//! .merge(Env::prefixed("APP_").global());
//!
//! rocket::custom(figment)
//! .mount("/", routes![/* .. */])

8
site/guide/9-configuration.md
View File

@ -302,7 +302,9 @@ fn rocket() -> _ {
More involved, consider an application that wants to use Rocket's defaults for
[`Config`], but not its configuration sources, while allowing the application to
be configured via an `App.toml` file and `APP_` environment variables:
be configured via an `App.toml` file that uses top-level keys as profiles
(`.nested()`) and `APP_` environment variables as global overrides
(`.global()`):
```rust
# #[macro_use] extern crate rocket;
@ -327,8 +329,8 @@ impl Default for Config {
fn rocket() -> _ {
let figment = Figment::from(rocket::Config::default())
.merge(Serialized::defaults(Config::default()))
.merge(Toml::file("App.toml"))
.merge(Env::prefixed("APP_"));
.merge(Toml::file("App.toml").nested())
.merge(Env::prefixed("APP_").global());
rocket::custom(figment)
.mount("/", routes![/* .. */])