diff --git a/analysis_options.yaml b/analysis_options.yaml
index 61b6c4d..93fe27a 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -7,23 +7,22 @@
 
 # The following line activates a set of recommended lints for Flutter apps,
 # packages, and plugins designed to encourage good coding practices.
-include: package:flutter_lints/flutter.yaml
+include: package:lint/analysis_options.yaml
 
 linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
   rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    always_declare_return_types: true
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+analyzer:
+  exclude:
+    - "**/*.freezed.dart"
+    - "**/*.config.dart"
+    - "**/*.g.dart"
+
+  strong-mode:
+    implicit-casts: true
+
+  errors:
+    missing_required_param: error
+    must_be_immutable: error
+    always_declare_return_types: warning
diff --git a/lib/application/auth/sign_in_form/sign_in_form_bloc.dart b/lib/application/auth/sign_in_form/sign_in_form_bloc.dart
index 1d4473e..7c04ea7 100644
--- a/lib/application/auth/sign_in_form/sign_in_form_bloc.dart
+++ b/lib/application/auth/sign_in_form/sign_in_form_bloc.dart
@@ -6,10 +6,12 @@ import 'package:flutter_firebase_ddd_bloc/domain/auth/i_auth_facade.dart';
 import 'package:flutter_firebase_ddd_bloc/domain/auth/value_objects.dart';
 import 'package:fpdart/fpdart.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:injectable/injectable.dart';
 
 part 'sign_in_form_event.dart';
 part 'sign_in_form_bloc.freezed.dart';
 
+@injectable
 class SignInFormBloc extends Bloc<SignInFormEvent, SignInFormState> {
   SignInFormBloc(this._authFacade) : super(SignInFormState.initial()) {
     on<SignInWithEmailAndPassword>(
diff --git a/lib/domain/core/firebase_injectable.module.dart b/lib/domain/core/firebase_injectable.module.dart
new file mode 100644
index 0000000..33add52
--- /dev/null
+++ b/lib/domain/core/firebase_injectable.module.dart
@@ -0,0 +1,12 @@
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:google_sign_in/google_sign_in.dart';
+import 'package:injectable/injectable.dart';
+
+@module
+abstract class FirebaseInjectableModule {
+  @lazySingleton
+  GoogleSignIn get googleSignIn => GoogleSignIn();
+
+  @lazySingleton
+  FirebaseAuth get firebaseAuth => FirebaseAuth.instance;
+}
diff --git a/lib/infrastructure/auth/firebase_auth_facade.dart b/lib/infrastructure/auth/firebase_auth_facade.dart
index 1d23472..f81e409 100644
--- a/lib/infrastructure/auth/firebase_auth_facade.dart
+++ b/lib/infrastructure/auth/firebase_auth_facade.dart
@@ -6,7 +6,9 @@ import 'package:flutter_firebase_ddd_bloc/domain/auth/value_objects.dart';
 
 import 'package:fpdart/fpdart.dart';
 import 'package:google_sign_in/google_sign_in.dart';
+import 'package:injectable/injectable.dart';
 
+@LazySingleton(as: IAuthFacade)
 class FirebaseAuthFacade implements IAuthFacade {
   FirebaseAuthFacade(this._firebaseAuth, this._googleSignIn);
 
diff --git a/lib/injection.config.dart b/lib/injection.config.dart
new file mode 100644
index 0000000..7927462
--- /dev/null
+++ b/lib/injection.config.dart
@@ -0,0 +1,45 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// InjectableConfigGenerator
+// **************************************************************************
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'package:firebase_auth/firebase_auth.dart' as _i3;
+import 'package:get_it/get_it.dart' as _i1;
+import 'package:google_sign_in/google_sign_in.dart' as _i4;
+import 'package:injectable/injectable.dart' as _i2;
+
+import 'application/auth/sign_in_form/sign_in_form_bloc.dart' as _i7;
+import 'domain/auth/i_auth_facade.dart' as _i5;
+import 'domain/core/firebase_injectable.module.dart' as _i8;
+import 'infrastructure/auth/firebase_auth_facade.dart'
+    as _i6; // ignore_for_file: unnecessary_lambdas
+
+// ignore_for_file: lines_longer_than_80_chars
+/// initializes the registration of provided dependencies inside of [GetIt]
+_i1.GetIt $initGetIt(
+  _i1.GetIt get, {
+  String? environment,
+  _i2.EnvironmentFilter? environmentFilter,
+}) {
+  final gh = _i2.GetItHelper(
+    get,
+    environment,
+    environmentFilter,
+  );
+  final firebaseInjectableModule = _$FirebaseInjectableModule();
+  gh.lazySingleton<_i3.FirebaseAuth>(
+      () => firebaseInjectableModule.firebaseAuth);
+  gh.lazySingleton<_i4.GoogleSignIn>(
+      () => firebaseInjectableModule.googleSignIn);
+  gh.lazySingleton<_i5.IAuthFacade>(() => _i6.FirebaseAuthFacade(
+        get<_i3.FirebaseAuth>(),
+        get<_i4.GoogleSignIn>(),
+      ));
+  gh.factory<_i7.SignInFormBloc>(
+      () => _i7.SignInFormBloc(get<_i5.IAuthFacade>()));
+  return get;
+}
+
+class _$FirebaseInjectableModule extends _i8.FirebaseInjectableModule {}
diff --git a/lib/injection.dart b/lib/injection.dart
new file mode 100644
index 0000000..a57eff6
--- /dev/null
+++ b/lib/injection.dart
@@ -0,0 +1,10 @@
+import 'package:flutter_firebase_ddd_bloc/injection.config.dart';
+import 'package:get_it/get_it.dart';
+import 'package:injectable/injectable.dart';
+
+final getIt = GetIt.instance;
+
+@injectableInit
+void configureInjection(String env) {
+  $initGetIt(getIt, environment: env);
+}
diff --git a/lib/main.dart b/lib/main.dart
index 9e24ab3..ec85f06 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,9 +1,12 @@
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_firebase_ddd_bloc/firebase_options.dart';
+import 'package:flutter_firebase_ddd_bloc/injection.dart';
+import 'package:injectable/injectable.dart';
 
 void main() async {
   await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
+  configureInjection(Environment.prod);
   runApp(const AppWidget());
 }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 523efcc..58041d0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -37,7 +37,8 @@ dependencies:
   flutter_bloc: ^8.1.1
   google_sign_in: ^5.4.2
   firebase_auth: ^4.0.1
-  rename: ^2.0.1
+  injectable: ^1.5.3
+  get_it: ^7.2.0
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
@@ -47,11 +48,13 @@ dev_dependencies:
     sdk: flutter
   freezed: ^2.2.0
   build_runner: ^2.3.0
+  injectable_generator: ^1.5.4
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
+  lint: ^1.10.0
   flutter_lints: ^2.0.0
 
 # For information on the generic Dart part of this file, see the