diff --git a/src/Entity/Commentary.php b/src/Entity/Commentary.php
index 669cbfd..f54f60c 100644
--- a/src/Entity/Commentary.php
+++ b/src/Entity/Commentary.php
@@ -18,6 +18,14 @@ class Commentary
     #[ORM\Column(length: 255, nullable: true)]
     private ?string $text = null;
 
+    #[ORM\ManyToOne(inversedBy: 'commentaries')]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?Post $post = null;
+
+    #[ORM\ManyToOne(inversedBy: 'commentaries')]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?Profil $profil = null;
+
     public function getId(): ?int
     {
         return $this->id;
@@ -34,4 +42,28 @@ class Commentary
 
         return $this;
     }
+
+    public function getPost(): ?Post
+    {
+        return $this->post;
+    }
+
+    public function setPost(?Post $post): static
+    {
+        $this->post = $post;
+
+        return $this;
+    }
+
+    public function getProfil(): ?Profil
+    {
+        return $this->profil;
+    }
+
+    public function setProfil(?Profil $profil): static
+    {
+        $this->profil = $profil;
+
+        return $this;
+    }
 }
diff --git a/src/Entity/Post.php b/src/Entity/Post.php
index 98e5ed5..54cfa46 100644
--- a/src/Entity/Post.php
+++ b/src/Entity/Post.php
@@ -4,6 +4,8 @@ namespace App\Entity;
 
 use ApiPlatform\Metadata\ApiResource;
 use App\Repository\PostRepository;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: PostRepository::class)]
@@ -30,6 +32,28 @@ class Post
     #[ORM\Column]
     private ?int $downVote = null;
 
+    #[ORM\ManyToOne(inversedBy: 'posts')]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?Profil $profil = null;
+
+    /**
+     * @var Collection<int, Commentary>
+     */
+    #[ORM\OneToMany(targetEntity: Commentary::class, mappedBy: 'post')]
+    private Collection $commentaries;
+
+    /**
+     * @var Collection<int, Tags>
+     */
+    #[ORM\ManyToMany(targetEntity: Tags::class, inversedBy: 'posts')]
+    private Collection $tags;
+
+    public function __construct()
+    {
+        $this->commentaries = new ArrayCollection();
+        $this->tags = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -94,4 +118,70 @@ class Post
 
         return $this;
     }
+
+    public function getProfil(): ?Profil
+    {
+        return $this->profil;
+    }
+
+    public function setProfil(?Profil $profil): static
+    {
+        $this->profil = $profil;
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, Commentary>
+     */
+    public function getCommentaries(): Collection
+    {
+        return $this->commentaries;
+    }
+
+    public function addCommentary(Commentary $commentary): static
+    {
+        if (!$this->commentaries->contains($commentary)) {
+            $this->commentaries->add($commentary);
+            $commentary->setPost($this);
+        }
+
+        return $this;
+    }
+
+    public function removeCommentary(Commentary $commentary): static
+    {
+        if ($this->commentaries->removeElement($commentary)) {
+            // set the owning side to null (unless already changed)
+            if ($commentary->getPost() === $this) {
+                $commentary->setPost(null);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, Tags>
+     */
+    public function getTags(): Collection
+    {
+        return $this->tags;
+    }
+
+    public function addTag(Tags $tag): static
+    {
+        if (!$this->tags->contains($tag)) {
+            $this->tags->add($tag);
+        }
+
+        return $this;
+    }
+
+    public function removeTag(Tags $tag): static
+    {
+        $this->tags->removeElement($tag);
+
+        return $this;
+    }
 }
diff --git a/src/Entity/Profil.php b/src/Entity/Profil.php
index 2d10216..f93f791 100644
--- a/src/Entity/Profil.php
+++ b/src/Entity/Profil.php
@@ -4,6 +4,8 @@ namespace App\Entity;
 
 use ApiPlatform\Metadata\ApiResource;
 use App\Repository\ProfilRepository;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: ProfilRepository::class)]
@@ -24,6 +26,31 @@ class Profil
     #[ORM\Column(length: 255, nullable: true)]
     private ?string $password = null;
 
+    /**
+     * @var Collection<int, Post>
+     */
+    #[ORM\OneToMany(targetEntity: Post::class, mappedBy: 'profil')]
+    private Collection $posts;
+
+    /**
+     * @var Collection<int, Commentary>
+     */
+    #[ORM\OneToMany(targetEntity: Commentary::class, mappedBy: 'profil')]
+    private Collection $commentaries;
+
+    /**
+     * @var Collection<int, self>
+     */
+    #[ORM\ManyToMany(targetEntity: self::class, inversedBy: 'followers')]
+    private Collection $followers;
+
+    public function __construct()
+    {
+        $this->posts = new ArrayCollection();
+        $this->commentaries = new ArrayCollection();
+        $this->followers = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -64,4 +91,88 @@ class Profil
 
         return $this;
     }
+
+    /**
+     * @return Collection<int, Post>
+     */
+    public function getPosts(): Collection
+    {
+        return $this->posts;
+    }
+
+    public function addPost(Post $post): static
+    {
+        if (!$this->posts->contains($post)) {
+            $this->posts->add($post);
+            $post->setProfil($this);
+        }
+
+        return $this;
+    }
+
+    public function removePost(Post $post): static
+    {
+        if ($this->posts->removeElement($post)) {
+            // set the owning side to null (unless already changed)
+            if ($post->getProfil() === $this) {
+                $post->setProfil(null);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, Commentary>
+     */
+    public function getCommentaries(): Collection
+    {
+        return $this->commentaries;
+    }
+
+    public function addCommentary(Commentary $commentary): static
+    {
+        if (!$this->commentaries->contains($commentary)) {
+            $this->commentaries->add($commentary);
+            $commentary->setProfil($this);
+        }
+
+        return $this;
+    }
+
+    public function removeCommentary(Commentary $commentary): static
+    {
+        if ($this->commentaries->removeElement($commentary)) {
+            // set the owning side to null (unless already changed)
+            if ($commentary->getProfil() === $this) {
+                $commentary->setProfil(null);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return Collection<int, self>
+     */
+    public function getFollowers(): Collection
+    {
+        return $this->followers;
+    }
+
+    public function addFollower(self $follower): static
+    {
+        if (!$this->followers->contains($follower)) {
+            $this->followers->add($follower);
+        }
+
+        return $this;
+    }
+
+    public function removeFollower(self $follower): static
+    {
+        $this->followers->removeElement($follower);
+
+        return $this;
+    }
 }
diff --git a/src/Entity/Tags.php b/src/Entity/Tags.php
index 61657dc..817c672 100644
--- a/src/Entity/Tags.php
+++ b/src/Entity/Tags.php
@@ -4,6 +4,8 @@ namespace App\Entity;
 
 use ApiPlatform\Metadata\ApiResource;
 use App\Repository\TagsRepository;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: TagsRepository::class)]
@@ -21,6 +23,17 @@ class Tags
     #[ORM\Column(length: 255, nullable: true)]
     private ?string $color = null;
 
+    /**
+     * @var Collection<int, Post>
+     */
+    #[ORM\ManyToMany(targetEntity: Post::class, mappedBy: 'tags')]
+    private Collection $posts;
+
+    public function __construct()
+    {
+        $this->posts = new ArrayCollection();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -49,4 +62,31 @@ class Tags
 
         return $this;
     }
+
+    /**
+     * @return Collection<int, Post>
+     */
+    public function getPosts(): Collection
+    {
+        return $this->posts;
+    }
+
+    public function addPost(Post $post): static
+    {
+        if (!$this->posts->contains($post)) {
+            $this->posts->add($post);
+            $post->addTag($this);
+        }
+
+        return $this;
+    }
+
+    public function removePost(Post $post): static
+    {
+        if ($this->posts->removeElement($post)) {
+            $post->removeTag($this);
+        }
+
+        return $this;
+    }
 }