chore: migrate to prod

Signed-off-by: SphericalKat <amolele@gmail.com>

priv/repo/migrations/20210811065554_create_users_auth_tables.exs

@@ -4,16 +4,16 @@ defmodule Ketbin.Repo.Migrations.CreateUsersAuthTables do
   def change do
     execute "CREATE EXTENSION IF NOT EXISTS citext", ""
 
-    create table(:users) do
+    create_if_not_exists table(:users) do
       add :email, :citext, null: false
       add :hashed_password, :string, null: false
       add :confirmed_at, :naive_datetime
       timestamps()
     end
 
-    create unique_index(:users, [:email])
+    create_if_not_exists unique_index(:users, [:email])
 
-    create table(:users_tokens) do
+    create_if_not_exists table(:users_tokens) do
       add :user_id, references(:users, on_delete: :delete_all), null: false
       add :token, :binary, null: false
       add :context, :string, null: false
@@ -21,7 +21,7 @@ defmodule Ketbin.Repo.Migrations.CreateUsersAuthTables do
       timestamps(updated_at: false)
     end
 
-    create index(:users_tokens, [:user_id])
-    create unique_index(:users_tokens, [:context, :token])
+    create_if_not_exists index(:users_tokens, [:user_id])
+    create_if_not_exists unique_index(:users_tokens, [:context, :token])
   end
 end

priv/repo/migrations/20210811213141_create_pastes.exs

@@ -2,13 +2,13 @@ defmodule Ketbin.Repo.Migrations.CreatePastes do
   use Ecto.Migration
 
   def change do
-    create table(:pastes, primary_key: false) do
+    create_if_not_exists table(:pastes, primary_key: false) do
       add :id, :string, primary_key: true
       add :is_url, :boolean, default: false, null: false
       add :content, :text, null: false
       add :belongs_to, references(:users, on_delete: :delete_all)
     end
 
-    create index(:pastes, [:belongs_to])
+    create_if_not_exists index(:pastes, [:belongs_to])
   end
 end