diff --git a/packages/datasource-firebase/src/collection.ts b/packages/datasource-firebase/src/collection.ts
new file mode 100644
index 0000000000..563190f9f9
--- /dev/null
+++ b/packages/datasource-firebase/src/collection.ts
@@ -0,0 +1,28 @@
+import {
+  AggregateResult,
+  BaseCollection,
+  RecordData,
+  TSchema,
+} from '@forestadmin/datasource-toolkit';
+
+export default class FirebaseCollection extends BaseCollection {
+  async create(): Promise<RecordData[]> {
+    throw new Error('Method not implemented.');
+  }
+
+  async list(): Promise<RecordData[]> {
+    throw new Error('Method not implemented.');
+  }
+
+  async update(): Promise<void> {
+    throw new Error('Method not implemented.');
+  }
+
+  async delete(): Promise<void> {
+    throw new Error('Method not implemented.');
+  }
+
+  async aggregate(): Promise<AggregateResult<TSchema, string>[]> {
+    throw new Error('Method not implemented.');
+  }
+}
diff --git a/packages/datasource-firebase/src/datasource.ts b/packages/datasource-firebase/src/datasource.ts
new file mode 100644
index 0000000000..10f6f4e67c
--- /dev/null
+++ b/packages/datasource-firebase/src/datasource.ts
@@ -0,0 +1,8 @@
+import { BaseDataSource, Logger } from '@forestadmin/datasource-toolkit';
+import FirebaseCollection from './collection';
+
+export default class FirebaseDatasource extends BaseDataSource<FirebaseCollection> {
+  constructor(private readonly logger?: Logger) {
+    super();
+  }
+}
diff --git a/packages/datasource-firebase/src/index.ts b/packages/datasource-firebase/src/index.ts
index e69de29bb2..ba7a0ed6f6 100644
--- a/packages/datasource-firebase/src/index.ts
+++ b/packages/datasource-firebase/src/index.ts
@@ -0,0 +1,10 @@
+import { DataSourceFactory, Logger } from '@forestadmin/datasource-toolkit';
+
+import FirebaseDataSource from './datasource';
+
+export { default as FirebaseCollection } from './collection';
+export { default as FirebaseDataSource } from './datasource';
+
+export function createFirebaseDataSource(): DataSourceFactory {
+  return async (logger: Logger) => new FirebaseDataSource(logger);
+}
diff --git a/packages/datasource-firebase/test/collection.test.ts b/packages/datasource-firebase/test/collection.test.ts
new file mode 100644
index 0000000000..0a9304d9dc
--- /dev/null
+++ b/packages/datasource-firebase/test/collection.test.ts
@@ -0,0 +1,54 @@
+import { FirebaseCollection, FirebaseDataSource } from '../src';
+
+describe('FirebaseCollection', () => {
+  it('should allow to create a collection', () => {
+    const datasource = {} as unknown as FirebaseDataSource;
+    const collection = new FirebaseCollection('test', datasource);
+    expect(collection).toBeInstanceOf(FirebaseCollection);
+  });
+
+  describe('create', () => {
+    it('should throw an error', async () => {
+      const datasource = {} as unknown as FirebaseDataSource;
+      const collection = new FirebaseCollection('test', datasource);
+
+      await expect(collection.create()).rejects.toEqual(new Error('Method not implemented.'));
+    });
+  });
+
+  describe('list', () => {
+    it('should throw an error', async () => {
+      const datasource = {} as unknown as FirebaseDataSource;
+      const collection = new FirebaseCollection('test', datasource);
+
+      await expect(collection.list()).rejects.toEqual(new Error('Method not implemented.'));
+    });
+  });
+
+  describe('update', () => {
+    it('should throw an error', async () => {
+      const datasource = {} as unknown as FirebaseDataSource;
+      const collection = new FirebaseCollection('test', datasource);
+
+      await expect(collection.update()).rejects.toEqual(new Error('Method not implemented.'));
+    });
+  });
+
+  describe('delete', () => {
+    it('should throw an error', async () => {
+      const datasource = {} as unknown as FirebaseDataSource;
+      const collection = new FirebaseCollection('test', datasource);
+
+      await expect(collection.delete()).rejects.toEqual(new Error('Method not implemented.'));
+    });
+  });
+
+  describe('aggregate', () => {
+    it('should throw an error', async () => {
+      const datasource = {} as unknown as FirebaseDataSource;
+      const collection = new FirebaseCollection('test', datasource);
+
+      await expect(collection.aggregate()).rejects.toEqual(new Error('Method not implemented.'));
+    });
+  });
+});
diff --git a/packages/datasource-firebase/test/datasource.test.ts b/packages/datasource-firebase/test/datasource.test.ts
new file mode 100644
index 0000000000..e9093880c5
--- /dev/null
+++ b/packages/datasource-firebase/test/datasource.test.ts
@@ -0,0 +1,16 @@
+import { Logger } from '@forestadmin/datasource-toolkit';
+
+import { FirebaseDataSource } from '../src';
+
+describe('FirebaseDataSource', () => {
+  it('should create a new datasource without a logger', () => {
+    const datasource = new FirebaseDataSource();
+    expect(datasource).toBeInstanceOf(FirebaseDataSource);
+  });
+
+  it('should create a new datasource with a logger', () => {
+    const logger = {};
+    const datasource = new FirebaseDataSource(logger as unknown as Logger);
+    expect(datasource).toBeInstanceOf(FirebaseDataSource);
+  });
+});
diff --git a/packages/datasource-firebase/test/index.test.ts b/packages/datasource-firebase/test/index.test.ts
index 9875f2acbd..ddd8cc5a66 100644
--- a/packages/datasource-firebase/test/index.test.ts
+++ b/packages/datasource-firebase/test/index.test.ts
@@ -1,5 +1,18 @@
-describe('firebase > index', () => {
-  it('should build (fake test to be able to create the package)', () => {
-    expect(true).toBeTruthy();
+import { FirebaseCollection, FirebaseDataSource, createFirebaseDataSource } from '../src/index';
+
+describe('exports', () => {
+  describe('createFirebaseDataSource', () => {
+    it('should export a factory function', () => {
+      expect(createFirebaseDataSource).toBeInstanceOf(Function);
+    });
+  });
+
+  describe.each([
+    ['FirebaseCollection', FirebaseCollection],
+    ['FirebaseDataSource', FirebaseDataSource],
+  ])('class %s', (message, type) => {
+    it('should be defined', () => {
+      expect(type).toBeDefined();
+    });
   });
 });