tsk-70: Remove src/lib.rs (#74)

Closes #70

Reviewed-on: #74
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

src/db/init.rs

@@ -0,0 +1,20 @@
+use sqlx::postgres::PgPoolOptions;
+
+pub async fn create_pool() -> Result<sqlx::PgPool, sqlx::Error> {
+    let database_url = icarus_envy::environment::get_db_url().await.value;
+    println!("Database url: {database_url}");
+
+    PgPoolOptions::new()
+        .max_connections(super::connection_settings::MAXCONN)
+        .connect(&database_url)
+        .await
+}
+
+pub async fn migrations(pool: &sqlx::PgPool) {
+    // Run migrations using the sqlx::migrate! macro
+    // Assumes your migrations are in a ./migrations folder relative to Cargo.toml
+    sqlx::migrate!("./migrations")
+        .run(pool)
+        .await
+        .expect("Failed to run migrations");
+}

src/db/mod.rs

@@ -0,0 +1,5 @@
+pub mod init;
+
+mod connection_settings {
+    pub const MAXCONN: u32 = 5;
+}