diff --git a/src/http/accept.rs b/src/http/accept.rs
index dd5779a..6925981 100644
--- a/src/http/accept.rs
+++ b/src/http/accept.rs
@@ -17,7 +17,7 @@ where
 {
     type Rejection = (StatusCode, &'static str);
 
-    async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
+    async fn from_request_parts(parts: &mut Parts, _state: &S) -> Result<Self, Self::Rejection> {
         if let Some(user_agent) = parts.headers.get(ACCEPT) {
             Ok(ExtractAccept(user_agent.clone()))
         } else {
diff --git a/src/node/container.rs b/src/node/container.rs
index 0dda524..5ccc85e 100644
--- a/src/node/container.rs
+++ b/src/node/container.rs
@@ -27,7 +27,7 @@ impl From<ContainerInspectResponse> for ContainerInfo {
     fn from(value: ContainerInspectResponse) -> Self {
         ContainerInfo {
             name: value.name.unwrap(),
-            state: value.state.map(|s| s.status).flatten().unwrap().to_string(),
+            state: value.state.and_then(|s| s.status).unwrap().to_string(),
             image: value.image.unwrap(),
         }
     }
diff --git a/src/node/error.rs b/src/node/error.rs
index 2e52cf8..a5d9852 100644
--- a/src/node/error.rs
+++ b/src/node/error.rs
@@ -8,9 +8,9 @@ pub enum StackError {
     NotFound,
 }
 
-impl Into<AppError> for StackError {
-    fn into(self) -> AppError {
-        match self {
+impl From<StackError> for AppError {
+    fn from(value: StackError) -> Self {
+        match value {
             StackError::NotFound => AppError::Client {
                 status: StatusCode::NOT_FOUND,
                 code: "stack-not-found",
diff --git a/src/node/stack.rs b/src/node/stack.rs
index 7c6b403..4c96d66 100644
--- a/src/node/stack.rs
+++ b/src/node/stack.rs
@@ -2,12 +2,12 @@ use super::error::StackError;
 use crate::http::error::Result;
 use bollard::{container::ListContainersOptions, service::ContainerSummary, Docker};
 use serde::Serialize;
-use std::{collections::HashMap, path::PathBuf};
+use std::{collections::HashMap, path::Path};
 use tokio::fs::{read_dir, try_exists};
 
 const COMPOSE_FILE: &str = "arion-compose.nix";
 
-async fn is_stack(dir: &PathBuf) -> Result<bool> {
+async fn is_stack(dir: &Path) -> Result<bool> {
     Ok(try_exists(dir.join(COMPOSE_FILE)).await?)
 }
 
@@ -25,7 +25,7 @@ pub async fn get_containers(docker: &Docker, stack_name: &str) -> Result<Vec<Con
         .await?)
 }
 
-pub async fn get_compose(base_dir: &PathBuf, stack_name: &str) -> Result<String> {
+pub async fn get_compose(base_dir: &Path, stack_name: &str) -> Result<String> {
     let dir = base_dir.join(stack_name);
     if !is_stack(&dir).await? {
         return Err(StackError::NotFound.into());
@@ -41,7 +41,7 @@ pub struct StackInfo {
     pub active: bool,
 }
 
-pub async fn list(base_dir: &PathBuf, docker: &Docker) -> Result<Vec<StackInfo>> {
+pub async fn list(base_dir: &Path, docker: &Docker) -> Result<Vec<StackInfo>> {
     let containers = docker
         .list_containers(Some(ListContainersOptions {
             all: false,
@@ -65,8 +65,7 @@ pub async fn list(base_dir: &PathBuf, docker: &Docker) -> Result<Vec<StackInfo>>
                 let project = cont
                     .clone()
                     .labels
-                    .map(|lab| lab.get("com.docker.compose.project").cloned())
-                    .flatten()
+                    .and_then(|lab| lab.get("com.docker.compose.project").cloned())
                     .unwrap_or_default();
                 name == project
             });