diff --git a/.github/workflows/build-server.yml b/.github/workflows/build-server.yml
index 21796181f..94f42533d 100644
--- a/.github/workflows/build-server.yml
+++ b/.github/workflows/build-server.yml
@@ -9,6 +9,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
     - name: Set up JDK 15
       uses: actions/setup-java@v1
       with:
diff --git a/README.md b/README.md
index 0ad051dcf..462c3af0d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,12 @@
 # BlockCOVID-server
 Modulo Server per il progetto di SWE 2020/2021 - BlockCOVID
 
+## Pre-Commit
+Eseguire il seguente comando per salvare il git hook:
+``` bash
+ln -s pre-commit.sh .git/hooks/pre-commit
+```
+
 ## Come usare mongo
 Sono inclusi degli script per utilizzare mongo per testare come si comporta:
 - **Avvio**: `./spawnMongo.sh`, spawna un'istanza di `mongod` che lavora sulla cartella locale `./db` e raccoglie i log nel file `log`. Fallisce se ci sono altre istanze già attive.
diff --git a/build.gradle b/build.gradle
index 039b29ab6..43bdbfee4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,4 +1,5 @@
 plugins {
+    id 'com.diffplug.spotless' version '5.6.1'
     id 'org.springframework.boot' version '2.4.2'
     id 'io.spring.dependency-management' version '1.0.11.RELEASE'
     id 'java'
@@ -30,3 +31,15 @@ dependencies {
 test {
     useJUnitPlatform()
 }
+
+spotless {
+    ratchetFrom 'origin/develop'
+    java {
+        toggleOffOn()
+
+        importOrder()
+        removeUnusedImports()
+
+        googleJavaFormat()
+  }
+}
diff --git a/pre-commit.sh b/pre-commit.sh
new file mode 100755
index 000000000..8e5403ac6
--- /dev/null
+++ b/pre-commit.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+RED='\033[1;31m'
+NC='\033[0m'
+if !(./gradlew spotlessCheck) >/dev/null 2>&1
+then
+    echo "${RED}Spotless error:${NC} please run './gradlew spotlessApply'" 1>&2
+    exit 1
+fi