diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..333a6e6
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request: {}
+  merge_group:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+  RUSTFLAGS: "-D warnings"
+
+jobs:
+  
+  rustfmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: hecrj/setup-rust-action@v2
+        with:
+          components: rustfmt
+      - run: cargo fmt --all --check
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: hecrj/setup-rust-action@v2
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy --workspace --all-features --all-targets
+
+  build_and_test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest, windows-latest]
+        toolchain: [stable, beta, nightly]    
+    steps:
+      - uses: actions/checkout@v4
+      - uses: hecrj/setup-rust-action@v2
+      - uses: taiki-e/install-action@protoc
+      - uses: Swatinem/rust-cache@v2
+      - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
+      - run: cargo build --verbose
+      - run: cargo test --doc --all-features --verbose 
\ No newline at end of file
diff --git a/envoy-proto-collect/src/main.rs b/envoy-proto-collect/src/main.rs
index f242910..92beb76 100644
--- a/envoy-proto-collect/src/main.rs
+++ b/envoy-proto-collect/src/main.rs
@@ -2,7 +2,7 @@ use glob::glob;
 use std::{
     fs::{self, File},
     io::{self, Write},
-    path::PathBuf,
+    path::{Path, PathBuf},
     process,
 };
 
@@ -29,16 +29,15 @@ fn apache_v2(year: u32, owner: &str) -> String {
 }
 
 fn collect_protos(
-    out_dir: &PathBuf,
+    out_dir: &Path,
     repo: &str,
     glob_patterns: Vec<&str>,
     add_license: Option<&String>,
 ) {
-    let repo = PathBuf::from(std::env!("CARGO_MANIFEST_DIR"))
-        .join("submodules")
-        .join(repo);
+    let manifest_dir = std::env!("CARGO_MANIFEST_DIR");
+    let repo_dir = Path::new(manifest_dir).join("submodules").join(repo);
 
-    if !repo.is_dir() {
+    if !repo_dir.is_dir() {
         eprintln!("Error: submodule repo {:?} not found.", repo);
         process::exit(1);
     }
@@ -46,7 +45,7 @@ fn collect_protos(
     let mut source_protos: Vec<PathBuf> = Vec::new();
 
     for pattern in glob_patterns {
-        let mut matches: Vec<PathBuf> = glob(repo.join(pattern).to_str().unwrap())
+        let mut matches: Vec<PathBuf> = glob(repo_dir.join(pattern).to_str().unwrap())
             .unwrap()
             .filter_map(Result::ok)
             .collect();
@@ -59,7 +58,7 @@ fn collect_protos(
 
         let target_name = out_dir.join(
             proto
-                .strip_prefix(repo.parent().expect("repo has parent"))
+                .strip_prefix(repo_dir.parent().expect("repo has parent"))
                 .expect("base is a prefix of proto"),
         );
 
@@ -84,7 +83,8 @@ fn collect_protos(
 }
 
 fn main() {
-    let out_dir = PathBuf::from(std::env!("CARGO_MANIFEST_DIR"))
+    let manifest_dir = std::env!("CARGO_MANIFEST_DIR");
+    let out_dir = Path::new(manifest_dir)
         .parent()
         .expect("envoy-proto-collect is inside a workspace")
         .join("envoy-types")
diff --git a/envoy-types/src/ext_authz/mod.rs b/envoy-types/src/ext_authz/mod.rs
index e02cd0d..2daef30 100644
--- a/envoy-types/src/ext_authz/mod.rs
+++ b/envoy-types/src/ext_authz/mod.rs
@@ -133,14 +133,17 @@ pub mod v3 {
         }
 
         fn with_status(status: tonic::Status) -> Self {
-            let mut check_response = CheckResponse::default();
-            check_response.status = Some(rpc::Status {
+            let status = Some(rpc::Status {
                 code: status.code().into(),
                 message: status.message().into(),
                 // `tonic::Status`'s details are not considered
                 details: Vec::new(),
             });
-            check_response
+
+            CheckResponse {
+                status,
+                ..Default::default()
+            }
         }
 
         fn set_status(&mut self, status: tonic::Status) -> &mut Self {
@@ -336,9 +339,9 @@ pub mod v3 {
         }
     }
 
-    impl Into<OkHttpResponse> for OkHttpResponseBuilder {
-        fn into(self) -> OkHttpResponse {
-            self.build()
+    impl From<OkHttpResponseBuilder> for OkHttpResponse {
+        fn from(val: OkHttpResponseBuilder) -> Self {
+            val.build()
         }
     }
 
@@ -437,9 +440,9 @@ pub mod v3 {
         }
     }
 
-    impl Into<DeniedHttpResponse> for DeniedHttpResponseBuilder {
-        fn into(self) -> DeniedHttpResponse {
-            self.build()
+    impl From<DeniedHttpResponseBuilder> for DeniedHttpResponse {
+        fn from(val: DeniedHttpResponseBuilder) -> Self {
+            val.build()
         }
     }
 
diff --git a/envoy-types/src/lib.rs b/envoy-types/src/lib.rs
index da9cc6e..9243a92 100644
--- a/envoy-types/src/lib.rs
+++ b/envoy-types/src/lib.rs
@@ -96,6 +96,8 @@ using a [previous version of `envoy-types`].
 #![warn(missing_debug_implementations, rust_2018_idioms)]
 #![allow(missing_docs, rustdoc::invalid_html_tags, rustdoc::bare_urls)]
 
+#[rustfmt::skip]
+#[allow(clippy::all)]
 mod generated;
 
 /// Compiled protobuf types
diff --git a/examples/src/ext_authz/authorization_server_basic.rs b/examples/src/ext_authz/authorization_server_basic.rs
index ae5a17e..8858fe2 100644
--- a/examples/src/ext_authz/authorization_server_basic.rs
+++ b/examples/src/ext_authz/authorization_server_basic.rs
@@ -1,3 +1,4 @@
+use std::env;
 use tonic::{transport::Server, Request, Response, Status};
 
 use envoy_types::ext_authz::v3::pb::{
@@ -34,8 +35,9 @@ impl Authorization for MyServer {
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let addr = format!("0.0.0.0:50051").parse().unwrap();
-    let server = MyServer::default();
+    let server_port = env::var("SERVER_PORT").unwrap_or("50051".into());
+    let addr = format!("0.0.0.0:{server_port}").parse().unwrap();
+    let server = MyServer;
 
     println!("AuthorizationServer listening on {addr}");
 
diff --git a/examples/src/ext_authz/authorization_server_full.rs b/examples/src/ext_authz/authorization_server_full.rs
index a3d0e7f..362ae73 100644
--- a/examples/src/ext_authz/authorization_server_full.rs
+++ b/examples/src/ext_authz/authorization_server_full.rs
@@ -90,7 +90,7 @@ impl Authorization for MyServer {
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let server_port = env::var("SERVER_PORT").unwrap_or("50051".into());
     let addr = format!("0.0.0.0:{server_port}").parse().unwrap();
-    let server = MyServer::default();
+    let server = MyServer;
 
     println!("AuthorizationServer listening on {}", addr);
 
diff --git a/examples/src/ext_authz/authorization_server_pb_only.rs b/examples/src/ext_authz/authorization_server_pb_only.rs
index f990a1f..3a200f9 100644
--- a/examples/src/ext_authz/authorization_server_pb_only.rs
+++ b/examples/src/ext_authz/authorization_server_pb_only.rs
@@ -147,7 +147,7 @@ impl Authorization for MyServer {
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let server_port = env::var("SERVER_PORT").unwrap_or("50051".into());
     let addr = format!("0.0.0.0:{server_port}").parse().unwrap();
-    let server = MyServer::default();
+    let server = MyServer;
 
     println!("AuthorizationServer listening on {}", addr);