Environment (#3)

Reviewed-on: #3
Co-authored-by: kdeng00 <kundeng00@pm.me>
Co-committed-by: kdeng00 <kundeng00@pm.me>

Cargo.lock

@@ -0,0 +1,16 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
+[[package]]
+name = "icarus_envy"
+version = "0.1.0"
+dependencies = [
+ "dotenvy",
+]

Cargo.toml

@@ -5,3 +5,4 @@ edition = "2024"
 rust-version = "1.86"
 
 [dependencies]
+dotenvy = { version = "0.15.7" }

src/environment.rs

@@ -0,0 +1,5 @@
+
+pub async fn get_db_url() -> String {
+    dotenvy::dotenv().ok();
+    std::env::var(crate::keys::DBURL).expect(crate::keys::error::ERROR)
+}

src/keys.rs

@@ -0,0 +1,5 @@
+pub const DBURL: &str = "DATABASE_URL";
+
+pub mod error {
+    pub const ERROR: &str = "DATABASE_URL must be set in .env";
+}

src/lib.rs

@@ -1,3 +1,6 @@
+pub mod environment;
+pub mod keys;
+
 pub fn add(left: u64, right: u64) -> u64 {
     left + right
 }