diff --git a/backend/keystone.ts b/backend/keystone.ts
index d2c27dd6..cf0ac005 100644
--- a/backend/keystone.ts
+++ b/backend/keystone.ts
@@ -4,7 +4,6 @@ import { config } from '@keystone-6/core';
 import { statelessSessions } from '@keystone-6/core/session';
 import Auth0 from '@opensaas/keystone-nextjs-auth/providers/auth0';
 import { createAuth } from '@opensaas/keystone-nextjs-auth';
-import { KeystoneContext } from '@keystone-6/core/types';
 import { lists } from './schemas';
 import { permissionsList } from './schemas/permissionFields';
 
@@ -53,14 +52,11 @@ export default auth.withAuth(
       },
     },
     db: {
-      provider: 'postgresql',
-      url:
-        process.env.DATABASE_URL ||
-        'postgres://postgres:mysecretpassword@localhost:55000/opensaas-local',
-      useMigrations: true,
+      provider: 'sqlite',
+      url: process.env.DATABASE_URL || 'file:./dev.db',
     },
     ui: {
-      isAccessAllowed: (context: KeystoneContext) => !!context.session,
+      isAccessAllowed: context => !!context.session,
       publicPages: ['/admin/auth/signin', '/admin/auth/error'],
       getAdditionalFiles: [
         async () => [
diff --git a/backend/migrations/20210629111049_init_migration/migration.sql b/backend/migrations/20210629111049_init_migration/migration.sql
deleted file mode 100644
index 27628ef6..00000000
--- a/backend/migrations/20210629111049_init_migration/migration.sql
+++ /dev/null
@@ -1,36 +0,0 @@
--- CreateTable
-CREATE TABLE "Role" (
-    "id" TEXT NOT NULL,
-    "name" TEXT,
-    "canManageProducts" BOOLEAN,
-    "canSeeOtherUsers" BOOLEAN,
-    "canManageUsers" BOOLEAN,
-    "canManageRoles" BOOLEAN,
-    "canManageCart" BOOLEAN,
-    "canManageOrgs" BOOLEAN,
-
-    PRIMARY KEY ("id")
-);
-
--- CreateTable
-CREATE TABLE "User" (
-    "id" TEXT NOT NULL,
-    "name" TEXT,
-    "email" TEXT,
-    "subjectId" TEXT,
-    "role" TEXT,
-
-    PRIMARY KEY ("id")
-);
-
--- CreateIndex
-CREATE UNIQUE INDEX "User.email_unique" ON "User"("email");
-
--- CreateIndex
-CREATE UNIQUE INDEX "User.subjectId_unique" ON "User"("subjectId");
-
--- CreateIndex
-CREATE INDEX "User.role_index" ON "User"("role");
-
--- AddForeignKey
-ALTER TABLE "User" ADD FOREIGN KEY ("role") REFERENCES "Role"("id") ON DELETE SET NULL ON UPDATE CASCADE;
diff --git a/backend/migrations/20210908063031_keystone25_upgrade/migration.sql b/backend/migrations/20210908063031_keystone25_upgrade/migration.sql
deleted file mode 100644
index 243b7253..00000000
--- a/backend/migrations/20210908063031_keystone25_upgrade/migration.sql
+++ /dev/null
@@ -1,11 +0,0 @@
--- DropIndex
-DROP INDEX "User.email_unique";
-
--- DropIndex
-DROP INDEX "User.subjectId_unique";
-
--- CreateIndex
-CREATE INDEX "User.email_index" ON "User"("email");
-
--- CreateIndex
-CREATE INDEX "User.subjectId_index" ON "User"("subjectId");
diff --git a/backend/migrations/20211005064428_keystone_26/migration.sql b/backend/migrations/20211005064428_keystone_26/migration.sql
deleted file mode 100644
index 52066008..00000000
--- a/backend/migrations/20211005064428_keystone_26/migration.sql
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-  Warnings:
-
-  - Made the column `name` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canManageProducts` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canSeeOtherUsers` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canManageUsers` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canManageRoles` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canManageCart` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `canManageOrgs` on table `Role` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `name` on table `User` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `email` on table `User` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `subjectId` on table `User` required. This step will fail if there are existing NULL values in that column.
-
-*/
--- AlterTable
-ALTER TABLE "Role" ALTER COLUMN "name" SET NOT NULL,
-ALTER COLUMN "name" SET DEFAULT E'',
-ALTER COLUMN "canManageProducts" SET NOT NULL,
-ALTER COLUMN "canManageProducts" SET DEFAULT false,
-ALTER COLUMN "canSeeOtherUsers" SET NOT NULL,
-ALTER COLUMN "canSeeOtherUsers" SET DEFAULT false,
-ALTER COLUMN "canManageUsers" SET NOT NULL,
-ALTER COLUMN "canManageUsers" SET DEFAULT false,
-ALTER COLUMN "canManageRoles" SET NOT NULL,
-ALTER COLUMN "canManageRoles" SET DEFAULT false,
-ALTER COLUMN "canManageCart" SET NOT NULL,
-ALTER COLUMN "canManageCart" SET DEFAULT false,
-ALTER COLUMN "canManageOrgs" SET NOT NULL,
-ALTER COLUMN "canManageOrgs" SET DEFAULT false;
-
--- AlterTable
-ALTER TABLE "User" ALTER COLUMN "name" SET NOT NULL,
-ALTER COLUMN "name" SET DEFAULT E'',
-ALTER COLUMN "email" SET NOT NULL,
-ALTER COLUMN "email" SET DEFAULT E'',
-ALTER COLUMN "subjectId" SET NOT NULL,
-ALTER COLUMN "subjectId" SET DEFAULT E'';
-
--- RenameIndex
-ALTER INDEX "User.email_index" RENAME TO "User_email_idx";
-
--- RenameIndex
-ALTER INDEX "User.role_index" RENAME TO "User_role_idx";
-
--- RenameIndex
-ALTER INDEX "User.subjectId_index" RENAME TO "User_subjectId_idx";
diff --git a/backend/migrations/20211101093015_subject_unique/migration.sql b/backend/migrations/20211101093015_subject_unique/migration.sql
deleted file mode 100644
index 03ef994f..00000000
--- a/backend/migrations/20211101093015_subject_unique/migration.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
-  Warnings:
-
-  - A unique constraint covering the columns `[subjectId]` on the table `User` will be added. If there are existing duplicate values, this will fail.
-
-*/
--- DropIndex
-DROP INDEX "User_subjectId_idx";
-
--- CreateIndex
-CREATE UNIQUE INDEX "User_subjectId_key" ON "User"("subjectId");
diff --git a/backend/migrations/migration_lock.toml b/backend/migrations/migration_lock.toml
deleted file mode 100644
index fbffa92c..00000000
--- a/backend/migrations/migration_lock.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-# Please do not edit this file manually
-# It should be added in your version-control system (i.e. Git)
-provider = "postgresql"
\ No newline at end of file
diff --git a/backend/schema.graphql b/backend/schema.graphql
index 78fe984d..32f41c78 100644
--- a/backend/schema.graphql
+++ b/backend/schema.graphql
@@ -55,15 +55,9 @@ input StringFilter {
   contains: String
   startsWith: String
   endsWith: String
-  mode: QueryMode
   not: NestedStringFilter
 }
 
-enum QueryMode {
-  default
-  insensitive
-}
-
 input NestedStringFilter {
   equals: String
   in: [String!]
@@ -325,6 +319,11 @@ enum KeystoneAdminUIFieldMetaItemViewFieldPosition {
   sidebar
 }
 
+enum QueryMode {
+  default
+  insensitive
+}
+
 type KeystoneAdminUIFieldGroupMeta {
   label: String!
   description: String
diff --git a/backend/schema.prisma b/backend/schema.prisma
index ac33c38f..5f149d49 100644
--- a/backend/schema.prisma
+++ b/backend/schema.prisma
@@ -1,10 +1,10 @@
 // This file is automatically generated by Keystone, do not modify it manually.
 // Modify your Keystone config when you want to change this.
 
-datasource postgresql {
+datasource sqlite {
   url               = env("DATABASE_URL")
   shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
-  provider          = "postgresql"
+  provider          = "sqlite"
 }
 
 generator client {