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feat(config): prefer .env and env vars over config.toml; add .env.example #19

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Merged
BarryBoot merged 1 commit into from
Oct 5, 2025
Merged

feat(config): prefer .env and env vars over config.toml; add .env.example #19

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20 changes: 20 additions & 0 deletions .env.example
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
# Example environment configuration for Valence
# Copy to .env and adjust values as needed

DEBUG=true
EXTERN_PORT=8081

DB_PROTOCOL=mongodb://
DB_URL=localhost
DB_PORT=27017
DB_USER=root
DB_PASSWORD=example

CACHE_URL=redis://localhost
CACHE_PORT=6379
CACHE_PASSWORD=secret

BODY_LIMIT=8192
CACHE_TTL=900

MARKET=false
1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -9,6 +9,7 @@ edition = "2021"
async-trait = "0.1.73"
chrono = "0.4.26"
config = "0.13.3"
dotenvy = "0.15.7"
cuckoofilter = "0.5.0"
futures = "0.3.28"
hex = "0.4.3"
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10 changes: 8 additions & 2 deletions src/utils.rs
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Expand Up @@ -170,7 +170,13 @@ pub async fn init_cuckoo_filter<T: KvStoreConnection>(

/// Loads the config file
pub fn load_config() -> EnvConfig {
let settings = config::Config::builder().add_source(config::File::with_name(CONFIG_FILE));
// Load variables from a .env file into process environment if present
dotenvy::dotenv().ok();

// File-sourced config first, then environment with higher precedence
let settings = config::Config::builder()
.add_source(config::File::with_name(CONFIG_FILE))
.add_source(config::Environment::default());

match settings.build() {
Ok(config) => EnvConfig {
Expand All @@ -183,7 +189,7 @@ pub fn load_config() -> EnvConfig {
.unwrap_or(SETTINGS_DB_URL.to_string()),
db_user: config
.get_string("db_user")
.unwrap_or(SETTINGS_DB_URL.to_string()),
.unwrap_or(SETTINGS_DB_USER.to_string()),
db_protocol: config
.get_string("db_protocol")
.unwrap_or(SETTINGS_DB_PROTOCOL.to_string()),
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