feat: initialize project structure, modules and configurations

src/main.rs

@@ -0,0 +1,38 @@
+use anyhow::{Context, Result};
+use dotenvy::dotenv;
+use nosync::{ModuleA, ModuleB};
+use std::env;
+use tracing::info;
+use tracing_subscriber::{EnvFilter, FmtSubscriber};
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Load environment variables from .env if present
+    let _ = dotenv();
+
+    // Initialize tracing subscriber with settings from environment (RUST_LOG)
+    let subscriber = FmtSubscriber::builder()
+        .with_env_filter(EnvFilter::from_default_env())
+        .finish();
+    tracing::subscriber::set_global_default(subscriber)
+        .map_err(|e| anyhow::anyhow!("failed to set global tracing subscriber: {e}"))?;
+
+    info!("Starting nosync application...");
+
+    // Retrieve APP_NAME from environment variables, defaulting if not found
+    let app_name = env::var("APP_NAME").unwrap_or_else(|_| "nosync-default".to_string());
+    info!(app_name = %app_name, "Environment configured");
+
+    // Initialize ModuleA and ModuleB
+    let module_a = ModuleA::new(app_name).context("Failed to initialize ModuleA")?;
+    let module_b = ModuleB::new(module_a).context("Failed to initialize ModuleB")?;
+
+    // Run ModuleB logic
+    module_b
+        .run()
+        .await
+        .context("Error occurred during execution")?;
+
+    info!("nosync application finished successfully!");
+    Ok(())
+}