diff --git a/lib/pescarte/blog/entity/tag.ex b/lib/pescarte/blog/entity/tag.ex
index 71cb09e3..07c0a5e9 100644
--- a/lib/pescarte/blog/entity/tag.ex
+++ b/lib/pescarte/blog/entity/tag.ex
@@ -43,6 +43,17 @@ defmodule Pescarte.Blog.Entity.Tag do
     Pescarte.Database.fetch_by(Tag, nome: nome)
   end
 
+  @spec upsert_tag(list(Tag.t())) :: {:ok, Tag.t()}
+  def upsert_tag(tags) do
+    for t <- tags do
+      Repo.insert!(
+        %Tag{nome: t},
+        on_conflict: [set: [nome: t]],
+        conflict_target: :nome
+      )
+    end
+  end
+
   @spec create_tag(map()) :: {:ok, Tag.t()} | {:error, changeset}
   def create_tag(attrs) do
     %Tag{}
diff --git a/lib/pescarte/blog/post.ex b/lib/pescarte/blog/post.ex
index d6c49a47..b4b4f97a 100644
--- a/lib/pescarte/blog/post.ex
+++ b/lib/pescarte/blog/post.ex
@@ -2,6 +2,7 @@ defmodule Pescarte.Blog.Post do
   @moduledoc """
   Módulo que define o schema e o changeset para os posts.
   """
+  alias Ecto.Multi
   alias Pescarte.Blog.Entity.Tag
   alias Pescarte.Database
   alias Pescarte.Database.Repo
@@ -54,11 +55,19 @@ defmodule Pescarte.Blog.Post do
     Database.fetch(Post, id)
   end
 
+  # @spec create_post(Post.t()) :: {:ok, Post.t()} | {:error, Ecto.Changeset.t()}
+  # def create_post(params) do
+  #   %Post{}
+  #   |> Post.changeset(params)
+  #   |> Repo.insert()
+  # end
+
   @spec create_post(Post.t()) :: {:ok, Post.t()} | {:error, Ecto.Changeset.t()}
-  def create_post(params) do
-    %Post{}
-    |> Post.changeset(params)
-    |> Repo.insert()
+  def create_post(%Post{blog_tags: tags} = params) do
+    Multi.new()
+    |> Multi.update(:blog_tag, Tag.upsert_tag(tags))
+    # fazer upload da capa da imagem via o Client da Supabase Storage a ser criado
+    |> Multi.insert(:blog_post, Post.changeset(%Post{}, params))
   end
 
   @spec delete_post(String.t()) :: {:ok, Post.t()} | {:error, :not_found}