34 lines
1017 B
Rust
34 lines
1017 B
Rust
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use anyhow::{bail, Result};
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use log::info;
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use std::env;
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#[derive(Debug)]
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pub struct Config {
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addr: String,
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port: u16,
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database: String,
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}
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impl Config {
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/// Loads the configuration from environment variables
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pub fn from_env() -> Result<Self> {
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Ok(Self {
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addr: env::var("CR_ADDRESS").unwrap_or_else(|_| {
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info!("Using default address 0.0.0.0");
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"0.0.0.0".to_string()
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}),
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port: match env::var("CR_PORT") {
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Ok(str) => match str.parse() {
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Ok(port) => port,
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Err(_) => bail!("Failed to parse environment variable CR_PORT: '{str}' is not a valid port number!"),
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},
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Err(_) => { info!("Using default port 42069"); 42069 }
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},
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database: match env::var("CR_DATABASE") {
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Ok(db) => db,
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Err(_) => bail!("The environment variable CR_DATABASE is required!"),
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}
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})
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}
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}
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