diff --git a/src/modules/database/databaseClient.ts b/src/modules/database/databaseClient.ts
new file mode 100644
index 0000000..c125983
--- /dev/null
+++ b/src/modules/database/databaseClient.ts
@@ -0,0 +1,4 @@
+
+export interface DatabaseClient {
+	getProjectListAsync(): Promise<ProjectListItem[]>;
+}
diff --git a/src/modules/database/databaseFactory.ts b/src/modules/database/databaseFactory.ts
new file mode 100644
index 0000000..bd14d9d
--- /dev/null
+++ b/src/modules/database/databaseFactory.ts
@@ -0,0 +1,25 @@
+import { DatabaseClient } from '@/modules/database/databaseClient'
+import { PrismaCockroachDatabaseClient } from '@/modules/database/vendors/prisma-cockroach/prismaCockroachDatabaseClient'
+
+export function getDatabaseClientAsync(): Promise<DatabaseClient>
+{
+	const databaseTargetService = process.env.DATABASE_TARGET_SERVICE
+
+	if (!databaseTargetService)
+	{
+		throw new Error('DATABASE_TARGET_SERVICE environment variable is not set')
+	}
+
+	let databaseClient: DatabaseClient
+
+	switch (databaseTargetService)
+	{
+		case 'prisma-cockroach':
+			databaseClient = new PrismaCockroachDatabaseClient()
+			break
+		default:
+			throw new Error(`Unsupported database service: ${databaseTargetService}`)
+	}
+
+	return Promise.resolve(databaseClient)
+}
diff --git a/src/modules/database/models.ts b/src/modules/database/models.ts
new file mode 100644
index 0000000..1ce75b7
--- /dev/null
+++ b/src/modules/database/models.ts
@@ -0,0 +1,32 @@
+type Project = {
+	id: string;
+	name: string;
+	active: boolean;
+	posts: Post[];
+	accessTokens: AccessToken[];
+};
+
+type AccessToken = {
+	id: string;
+	idProject: string;
+	token: string;
+	project: Project | null;
+}
+
+type Post = {
+	id: string;
+	idProject: string;
+	title: string;
+	description: string;
+	featuredImageURL: string;
+	date: Date;
+	blocks: Record<string, Record<string, string>>;
+	meta: Record<string, string>;
+	tags: string[];
+	status: PostStatus;
+	project: Project | null;
+}
+
+type PostStatus = 'ACTIVE' | 'DISABLED' | 'HIDDEN'
+
+type ProjectListItem = Pick<Project, 'id' | 'name' | 'active'>;
diff --git a/src/modules/database/vendors/prisma-cockroach/migrations/20231223131758_migrate/migration.sql b/src/modules/database/vendors/prisma-cockroach/migrations/20231223131758_migrate/migration.sql
new file mode 100644
index 0000000..8baa804
--- /dev/null
+++ b/src/modules/database/vendors/prisma-cockroach/migrations/20231223131758_migrate/migration.sql
@@ -0,0 +1,13 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `name` on the `Post` table. All the data in the column will be lost.
+  - Added the required column `title` to the `Post` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "AccessToken" ALTER COLUMN "token" SET DEFAULT md5(random()::text);
+
+-- AlterTable
+ALTER TABLE "Post" DROP COLUMN "name";
+ALTER TABLE "Post" ADD COLUMN     "title" STRING NOT NULL;
diff --git a/src/modules/database/vendors/prisma-cockroach/prismaCockroachDatabaseClient.ts b/src/modules/database/vendors/prisma-cockroach/prismaCockroachDatabaseClient.ts
new file mode 100644
index 0000000..0352040
--- /dev/null
+++ b/src/modules/database/vendors/prisma-cockroach/prismaCockroachDatabaseClient.ts
@@ -0,0 +1,25 @@
+import { DatabaseClient } from '@/modules/database/databaseClient'
+import { PrismaClient } from '@prisma/client'
+
+export class PrismaCockroachDatabaseClient implements DatabaseClient
+{
+	private prisma: PrismaClient
+
+	constructor()
+	{
+		this.prisma = new PrismaClient()
+	}
+
+	async getProjectListAsync(): Promise<ProjectListItem[]>
+	{
+		const projects = await this.prisma.project.findMany({
+			select: {
+				id: true,
+				name: true,
+				active: true,
+			}
+		})
+
+		return projects
+	}
+}
diff --git a/src/modules/database/vendors/prisma-cockroach/schema.prisma b/src/modules/database/vendors/prisma-cockroach/schema.prisma
index ed8aecf..843ee53 100644
--- a/src/modules/database/vendors/prisma-cockroach/schema.prisma
+++ b/src/modules/database/vendors/prisma-cockroach/schema.prisma
@@ -27,7 +27,7 @@ model AccessToken {
 model Post {
     id               String     @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
     idProject        String?    @db.Uuid
-    name             String     @db.String()
+    title            String     @db.String()
     description      String?    @db.String()
     featuredImageURL String?    @db.String()
     date             BigInt     @db.Int8
diff --git a/src/types/env.d.ts b/src/types/env.d.ts
index 1dc5c52..10619bf 100644
--- a/src/types/env.d.ts
+++ b/src/types/env.d.ts
@@ -7,5 +7,6 @@ namespace NodeJS
 		NEXTAUTH_PROVIDER_GITHUB_ADMIN_USER_IDs: string
 		NEXTAUTH_PROVIDER_GITHUB_ID: string
 		NEXTAUTH_PROVIDER_GITHUB_SECRET: string
+		DATABASE_TARGET_SERVICE: string
 	}
 }