print db path for debugging

docker-compose.yml

@@ -3,3 +3,7 @@ services:
     build: .
     env_file:
       - .env
+    environment:
+      - DATABASE_PATH=/data/bot_data.sqlite
+    volumes:
+      - bot_data:/data

src/database/database.rs

@@ -5,8 +5,17 @@ use rusqlite::{Connection, OpenFlags, Result};
 
 pub fn init_db() -> Result<Connection, rusqlite::Error> {
     let filename = env::var("DATABASE_PATH").unwrap_or_else(|_| "bot_data.sqlite".to_string());
+
     let filepath = Path::new(&filename);
 
+    match filepath.canonicalize() {
+        Ok(abs_path) => println!("Absolute filepath: {:?}", abs_path),
+        Err(_) => println!(
+            "Filepath (not yet created): {:?}",
+            fs::canonicalize(".").unwrap().join(&filename)
+        ),
+    }
+
     if let Some(parent) = filepath.parent() {
         if !parent.as_os_str().is_empty() {
             fs::create_dir_all(parent).expect("Failed to create database directory");