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backend/src/db.rs

@@ -0,0 +1,15 @@
+use std::time::Duration;
+
+use diesel::pg::PgConnection;
+use diesel::r2d2::{ConnectionManager, Pool};
+
+pub type PgPool = Pool<ConnectionManager<PgConnection>>;
+
+pub fn init_pool(database_url: &str) -> anyhow::Result<PgPool> {
+    let manager = ConnectionManager::<PgConnection>::new(database_url);
+    let pool = Pool::builder()
+        .max_size(16)
+        .connection_timeout(Duration::from_secs(10))
+        .build(manager)?;
+    Ok(pool)
+}