diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3277a4a..08f3b1f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,21 +1,35 @@
 name: Rust
 
 on:
-  push:
-    branches: [ "main" ]
   pull_request:
-    branches: [ "main" ]
+  push:
 
 env:
+  RUST_BACKTRACE: 1
   CARGO_TERM_COLOR: always
+  RUSTDOCFLAGS: --deny warnings
+  RUSTFLAGS: --deny warnings
 
 jobs:
-  build:
-
+  stable:
     runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build
+      run: cargo build --verbose
+    - name: Clippy
+      run: cargo clippy --verbose
+    - name: Run tests
+      run: cargo test --verbose
 
+  msrv:
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    - uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        components: clippy
+        toolchain: 1.59.0
     - name: Build
       run: cargo build --verbose
     - name: Clippy
diff --git a/Cargo.toml b/Cargo.toml
index ca6fa9c..8a80965 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ documentation = "https://docs.rs/thumbor"
 readme = "README.md"
 license = "MIT"
 edition = "2021"
-rust-version = "1.80"
+rust-version = "1.59"
 authors = ["SteelAlloy"]
 categories = ["web-programming", "multimedia::images"]
 keywords = ["client", "thumbor", "crop", "resize", "image"]
diff --git a/README.md b/README.md
index 7944e57..ba74cd7 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,36 @@
 <div align="center">
     <img src="assets/doc/logo.svg" width="256">
     <h1>Rust <a href="https://www.thumbor.org/">Thumbor</a> client</h1>
+    <a href="https://github.com/SteelAlloy/thumbor-rs">
+        <img
+            alt="Repository"
+            src="https://img.shields.io/badge/github-thumbor--rs-228b22?style=for-the-badge&labelColor=555555&logo=github"
+            height="25"
+        />
+    </a>
+    <a href="https://crates.io/crates/thumbor">
+        <img
+            alt="Crates.io Version"
+            src="https://img.shields.io/crates/v/thumbor.svg?style=for-the-badge&color=e37602&logo=rust"
+            height="25"
+        />
+    </a>
+    <a href="https://docs.rs/thumbor/latest/thumbor">
+        <img
+            alt="docs.rs"
+            src="https://img.shields.io/badge/docs.rs-thumbor-3b74d1?style=for-the-badge&labelColor=555555&logo=docs.rs"
+            height="25"
+        />
+    </a>
+    <a href="https://docs.rs/thumbor/latest/thumbor">
+        <img
+            alt="Crates.io MSRV"
+            src="https://img.shields.io/crates/msrv/thumbor?style=for-the-badge&logo=docs.rs&color=b83fbf"
+            height="25"
+        />
+    </a>
 </div>
 
-[![Latest Version](https://img.shields.io/crates/v/thumbor.svg)](https://crates.io/crates/thumbor)
-[![Rust Documentation](https://docs.rs/thumbor/badge.svg)](https://docs.rs/thumbor)
-![Crates.io](https://img.shields.io/crates/l/thumbor)
-![Crates.io](https://img.shields.io/crates/d/thumbor)
-
 ## Usage
 
 In short :
@@ -29,10 +52,10 @@ use thumbor::Server;
 
 let server = Server::new("http://localhost:8888", "my-security-key").unwrap();
 
-let settings_builder = server.settings_builder()
+let settings = server.settings_builder()
     .resize((300, 200))
     .smart(true)
     .build();
 
-let url = settings_builder.to_url("path/to/my/image.jpg");
+let url = settings.to_url("path/to/my/image.jpg");
 ```
diff --git a/src/tests.rs b/src/tests.rs
index bf422cd..dca6596 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -1,24 +1,26 @@
-use std::sync::LazyLock;
-
 use crate::{
     settings::{FitIn, ResponseMode},
-    Filter, Server,
+    Filter, Server, SettingsBuilder,
 };
 
 const TEST_BASE: &str = "http://my.server.com";
 const SECURITY_KEY: &str = "my-security-key";
 const IMAGE_PATH: &str = "my.server.com/some/path/to/image.jpg";
-static SERVER: LazyLock<Server> =
-    LazyLock::new(|| Server::new(TEST_BASE, SECURITY_KEY).expect("Server creation failed"));
+
+fn new_builder() -> SettingsBuilder {
+    Server::new(TEST_BASE, SECURITY_KEY)
+        .expect("Server creation failed")
+        .settings_builder()
+}
 
 #[test]
 fn signing_of_a_known_url_results() {
     let width = 300;
     let height = 200;
 
-    let builder = SERVER.settings_builder().resize((width, height)).build();
+    let settings = new_builder().resize((width, height)).build();
 
-    let path = builder.to_path(IMAGE_PATH);
+    let path = settings.to_path(IMAGE_PATH);
 
     assert_eq!(
         path,
@@ -28,12 +30,9 @@ fn signing_of_a_known_url_results() {
 
 #[test]
 fn signature_with_meta() {
-    let builder = SERVER
-        .settings_builder()
-        .response(ResponseMode::Metadata)
-        .build();
+    let settings = new_builder().response(ResponseMode::Metadata).build();
 
-    let path = builder.to_path(IMAGE_PATH);
+    let path = settings.to_path(IMAGE_PATH);
 
     assert_eq!(
         path,
@@ -43,9 +42,9 @@ fn signature_with_meta() {
 
 #[test]
 fn signature_with_smart() {
-    let builder = SERVER.settings_builder().smart(true).build();
+    let settings = new_builder().smart(true).build();
 
-    let path = builder.to_path(IMAGE_PATH);
+    let path = settings.to_path(IMAGE_PATH);
 
     assert_eq!(
         path,
@@ -55,9 +54,9 @@ fn signature_with_smart() {
 
 #[test]
 fn signature_with_fit_in() {
-    let builder = SERVER.settings_builder().fit_in(FitIn::Default).build();
+    let settings = new_builder().fit_in(FitIn::Default).build();
 
-    let path = builder.to_path(IMAGE_PATH);
+    let path = settings.to_path(IMAGE_PATH);
 
     assert_eq!(
         path,
@@ -67,12 +66,11 @@ fn signature_with_fit_in() {
 
 #[test]
 fn signature_with_filters() {
-    let builder = SERVER
-        .settings_builder()
+    let settings = new_builder()
         .filters([Filter::Brightness(10), Filter::Contrast(20)])
         .build();
 
-    let path = builder.to_path(IMAGE_PATH);
+    let path = settings.to_path(IMAGE_PATH);
 
     assert_eq!(
         path,