40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
use std::{collections::HashMap, sync::OnceLock};
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pub static GLOBAL_CONFIG: OnceLock<AppConfig> = OnceLock::new();
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#[derive(Clone, Debug)]
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pub struct AppConfig {
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pub env: HashMap<String, String>,
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}
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impl AppConfig {
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const ENV_FILES: &'static [&'static str] = &[".env", ".env.local"];
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pub fn load() -> AppConfig {
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let mut env = HashMap::new();
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for env_file in AppConfig::ENV_FILES {
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if let Err(e) = dotenvy::from_path(env_file) {
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tracing::debug!(file = %env_file, error = %e, "dotenv load skipped");
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}
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if let Ok(env_file_content) = std::fs::read_to_string(env_file) {
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for line in env_file_content.lines() {
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if let Some((key, value)) = line.split_once('=') {
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env.insert(key.to_string(), value.to_string());
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}
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}
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}
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}
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env = env.into_iter().chain(std::env::vars()).collect();
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let this = AppConfig { env };
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if let Some(config) = GLOBAL_CONFIG.get() {
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config.clone()
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} else {
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let _ = GLOBAL_CONFIG.set(this);
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GLOBAL_CONFIG
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.get()
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.expect("global config should be set after load")
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.clone()
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}
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}
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}
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