tsk-207: Move code elsewhere that is found in src/main.rs (#242)

* tsk-207: Move code elsewhere that is found in src/main.rs

* tsk-207: Some refactoring

* tsk-207: Moving file around

* tsk-207: Code formatting

* tsk-207: Version bump

* tsk-207: Test fix

src/db/mod.rs

@@ -0,0 +1,24 @@
+use sqlx::postgres::PgPoolOptions;
+
+pub mod connection_settings {
+    pub const MAXCONN: u32 = 10;
+}
+
+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(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");
+}