feat: let docker compose find its own file

src/command_builder.rs

@@ -1,6 +1,5 @@
 use anyhow::{Context, Result};
 use std::{
-    env,
     fmt::Display,
     process::{Child, Command, Stdio},
 };
@@ -27,11 +26,6 @@ impl From<&[String]> for Args {
     }
 }
 
-fn get_compose_file() -> Result<String> {
-    let cf = env::var("COMPOSE_FILE")?;
-    Ok(cf)
-}
-
 #[derive(Default)]
 pub struct CommandBuilder {
     args: Vec<String>,
@@ -49,9 +43,7 @@ impl CommandBuilder {
     }
 
     pub fn docker_compose() -> Self {
-        let cf =
-            get_compose_file().unwrap_or_else(|_| "docker/local/docker-compose.yaml".to_string());
-        Self::default().args("docker compose -f").args(&cf)
+        Self::default().args("docker compose")
     }
 
     pub fn args<T>(mut self, args: T) -> Self