diff --git a/apps/recnet-api/prisma/migrations/20240306035932_init/migration.sql b/apps/recnet-api/prisma/migrations/20240306064817_init/migration.sql
similarity index 91%
rename from apps/recnet-api/prisma/migrations/20240306035932_init/migration.sql
rename to apps/recnet-api/prisma/migrations/20240306064817_init/migration.sql
index 921da429..9d69e0b8 100644
--- a/apps/recnet-api/prisma/migrations/20240306035932_init/migration.sql
+++ b/apps/recnet-api/prisma/migrations/20240306064817_init/migration.sql
@@ -6,7 +6,7 @@ CREATE TYPE "Role" AS ENUM ('ADMIN', 'USER');
 
 -- CreateTable
 CREATE TABLE "User" (
-    "id" TEXT NOT NULL,
+    "id" VARCHAR(64) NOT NULL,
     "provider" "Provider" NOT NULL,
     "providerId" VARCHAR(128) NOT NULL,
     "email" VARCHAR(128) NOT NULL,
@@ -26,8 +26,8 @@ CREATE TABLE "User" (
 
 -- CreateTable
 CREATE TABLE "FollowingRecord" (
-    "userId" TEXT NOT NULL,
-    "followerId" TEXT NOT NULL,
+    "userId" VARCHAR(64) NOT NULL,
+    "followerId" VARCHAR(64) NOT NULL,
     "createdAt" TIMESTAMP(3) NOT NULL,
 
     CONSTRAINT "FollowingRecord_pkey" PRIMARY KEY ("userId","followerId")
@@ -35,9 +35,9 @@ CREATE TABLE "FollowingRecord" (
 
 -- CreateTable
 CREATE TABLE "Recommendation" (
-    "id" TEXT NOT NULL,
-    "userId" TEXT NOT NULL,
-    "articleId" TEXT NOT NULL,
+    "id" VARCHAR(64) NOT NULL,
+    "userId" VARCHAR(64) NOT NULL,
+    "articleId" VARCHAR(64) NOT NULL,
     "description" TEXT NOT NULL,
     "cutoff" TIMESTAMP(3) NOT NULL,
     "createAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -48,7 +48,7 @@ CREATE TABLE "Recommendation" (
 
 -- CreateTable
 CREATE TABLE "Article" (
-    "id" TEXT NOT NULL,
+    "id" VARCHAR(64) NOT NULL,
     "doi" VARCHAR(32),
     "title" VARCHAR(256) NOT NULL,
     "author" VARCHAR(256) NOT NULL,
@@ -66,9 +66,9 @@ CREATE TABLE "Article" (
 CREATE TABLE "InviteCode" (
     "id" SERIAL NOT NULL,
     "code" VARCHAR(64) NOT NULL,
-    "ownerId" VARCHAR(32) NOT NULL,
+    "ownerId" VARCHAR(64) NOT NULL,
     "issuedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    "usedById" VARCHAR(32),
+    "usedById" VARCHAR(64),
     "usedAt" TIMESTAMP(3),
 
     CONSTRAINT "InviteCode_pkey" PRIMARY KEY ("id")
diff --git a/apps/recnet-api/prisma/schema.prisma b/apps/recnet-api/prisma/schema.prisma
index 7afc3102..acb76369 100644
--- a/apps/recnet-api/prisma/schema.prisma
+++ b/apps/recnet-api/prisma/schema.prisma
@@ -26,7 +26,7 @@ enum Role {
 }
 
 model User {
-  id            String     @id @default(uuid()) // Primary key, UUID type
+  id            String     @id @db.VarChar(64) @default(uuid()) // Primary key, UUID type
   provider      Provider   // Enum type
   providerId    String     @db.VarChar(128)
   email         String     @db.VarChar(128) @unique
@@ -41,16 +41,16 @@ model User {
   createdAt     DateTime   @default(now())
   updatedAt     DateTime   @default(now()) @updatedAt
 
-  following     FollowingRecord[] @relation("Following")
-  followers     FollowingRecord[] @relation("Follower")
+  following       FollowingRecord[] @relation("Following")
+  followers       FollowingRecord[] @relation("Follower")
   recommendations Recommendation[]
   inviteCodeOwner InviteCode[]  @relation("InviteCodeOwner")
   inviteCodeUsed  InviteCode?   @relation("InviteCodeUsedBy")
 }
 
 model FollowingRecord {
-  userId        String
-  followerId    String
+  userId        String    @db.VarChar(64)
+  followerId    String    @db.VarChar(64)
   createdAt     DateTime
 
   @@id([userId, followerId])
@@ -59,9 +59,9 @@ model FollowingRecord {
 }
 
 model Recommendation {
-  id          String    @id @default(uuid())
-  userId      String
-  articleId   String
+  id          String    @id @db.VarChar(64) @default(uuid())
+  userId      String    @db.VarChar(64)
+  articleId   String    @db.VarChar(64)
   description String
   cutoff      DateTime
   createAt    DateTime  @default(now())
@@ -72,7 +72,7 @@ model Recommendation {
 }
 
 model Article {
-  id          String    @id
+  id          String    @id @db.VarChar(64) @default(uuid())
   doi         String?   @db.VarChar(32)
   title       String    @db.VarChar(256)
   author      String    @db.VarChar(256)
@@ -89,11 +89,11 @@ model Article {
 model InviteCode {
   id          Int       @id @default(autoincrement())
   code        String    @db.VarChar(64)
-  ownerId     String    @db.VarChar(32)
+  ownerId     String    @db.VarChar(64)
   issuedAt    DateTime  @default(now())
-  usedById    String?   @db.VarChar(32) @unique
+  usedById    String?   @db.VarChar(64) @unique
   usedAt      DateTime?
 
-  owner         User      @relation("InviteCodeOwner", fields: [ownerId], references: [id])
-  usedBy        User?     @relation("InviteCodeUsedBy", fields: [usedById], references: [id])
+  owner       User      @relation("InviteCodeOwner", fields: [ownerId], references: [id])
+  usedBy      User?     @relation("InviteCodeUsedBy", fields: [usedById], references: [id])
 }