diff --git a/back-skeleton/README.MD b/back-skeleton/README.MD
index 4ec03ee7d2825896b858a0b3733b23332dad2b3c..4bebebfa8d96376b293d1ec635ac06769d25f0cc 100644
--- a/back-skeleton/README.MD
+++ b/back-skeleton/README.MD
@@ -2,6 +2,7 @@
 
 ## Set up 
 1. Copie-colle le .env.sample en .env
+2. Fait un `docker-compose up`
 2. Rajoute le pluggin : https://plugins.jetbrains.com/plugin/7861-envfile
 3. <img src="img-readme/img.png">
 3. <img src="img-readme/img_1.png">
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/DAO/MajorDao.java b/back-skeleton/src/main/java/com/takima/backskeleton/DAO/MajorDao.java
new file mode 100644
index 0000000000000000000000000000000000000000..9d54218305a010bef4efee75b5d85f827ef78b29
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/DAO/MajorDao.java
@@ -0,0 +1,15 @@
+package com.takima.backskeleton.DAO;
+
+import com.takima.backskeleton.models.Major;
+import com.takima.backskeleton.models.Student;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface MajorDao extends JpaRepository<Major, Long> {
+    @Query("SELECT m.students FROM Major m WHERE m.id= :majorId")
+    List<Student> getAllStudentsFromMajor(Long majorId);
+}
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/controllers/MajorController.java b/back-skeleton/src/main/java/com/takima/backskeleton/controllers/MajorController.java
new file mode 100644
index 0000000000000000000000000000000000000000..b5315436e961bf04170d34178c6838011e7e669d
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/controllers/MajorController.java
@@ -0,0 +1,27 @@
+package com.takima.backskeleton.controllers;
+
+import com.takima.backskeleton.models.Major;
+import com.takima.backskeleton.models.Student;
+import com.takima.backskeleton.services.MajorService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@CrossOrigin
+@RequestMapping("majors")
+@RestController
+@RequiredArgsConstructor
+public class MajorController {
+    private final MajorService majorService;
+
+    @GetMapping("")
+    public List<Major> findAll() {
+        return majorService.findAll();
+    }
+
+    @GetMapping("/{id}/students")
+    public List<Student> getStudentsOfMajor(@PathVariable Long id) {
+        return majorService.getStudentsOfMajor(id);
+    }
+}
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java b/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java
index c0ed9abf02c1eb6ee7cf45ad79bad5797fdcfe45..bf8cd46b1fa43c7fe8e85422032affb74d252b8e 100644
--- a/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java
@@ -1,9 +1,7 @@
 package com.takima.backskeleton.models;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonManagedReference;
 import jakarta.persistence.*;
-import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java b/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java
index 57a2e8afd6037730b5f1acb106ad248c27e27bde..4746c4c0c82ccde04c18d5ff016b360056a11438 100644
--- a/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java
@@ -2,7 +2,6 @@ package com.takima.backskeleton.models;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
-import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/services/MajorService.java b/back-skeleton/src/main/java/com/takima/backskeleton/services/MajorService.java
new file mode 100644
index 0000000000000000000000000000000000000000..03feb0f83a1796d353faf3d891e4afcd2da83f5d
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/services/MajorService.java
@@ -0,0 +1,26 @@
+package com.takima.backskeleton.services;
+
+import com.takima.backskeleton.DAO.MajorDao;
+import com.takima.backskeleton.models.Major;
+import com.takima.backskeleton.models.Student;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Component
+@RequiredArgsConstructor
+public class MajorService {
+    private final MajorDao majorDao;
+    public List<Major> findAll() {
+        Iterable<Major> it = majorDao.findAll();
+        List <Major> majors = new ArrayList<>();
+        it.forEach(majors::add);
+        return majors;
+    }
+
+    public List<Student> getStudentsOfMajor(Long id) {
+        return majorDao.getAllStudentsFromMajor(id);
+    }
+}