fixed env variable not loading

Cargo.lock

@@ -2839,6 +2839,12 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "dotenvy"
 version = "0.15.7"
@@ -4834,6 +4840,7 @@ name = "mongodb"
 version = "1.0.0"
 dependencies = [
  "actix-web",
+ "dotenv",
  "mongodb 2.7.1",
  "serde",
 ]
@@ -8197,8 +8204,8 @@ version = "1.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
 dependencies = [
- "cfg-if 0.1.10",
- "rand 0.7.3",
+ "cfg-if 1.0.0",
+ "rand 0.8.5",
  "static_assertions",
 ]
 

databases/mongodb/Cargo.toml

@@ -7,3 +7,4 @@ edition = "2021"
 actix-web.workspace = true
 mongodb = "2"
 serde.workspace = true
+dotenv = "0.15"

databases/mongodb/src/main.rs

@@ -7,6 +7,7 @@ mod test;
 use actix_web::{get, post, web, App, HttpResponse, HttpServer};
 use model::User;
 use mongodb::{bson::doc, options::IndexOptions, Client, Collection, IndexModel};
+use dotenv::dotenv;
 
 const DB_NAME: &str = "myApp";
 const COLL_NAME: &str = "users";
@@ -56,6 +57,8 @@ async fn create_username_index(client: &Client) {
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
+    dotenv().ok(); //loading .env file
+    
     let uri = std::env::var("MONGODB_URI").unwrap_or_else(|_| "mongodb://localhost:27017".into());
 
     let client = Client::with_uri_str(uri).await.expect("failed to connect");