A Journey to Continuous Delivery with Flutter ⚡️🚀🙂 (@FlutterHeroes 2025)

FLUTTER HEROES – TURIN – 12 March 2025
A JOURNEY TO
CONTINUOUS DELIVERY
WITH FLUTTER ⚡🚀🙂
Adrien Body
François Nollen

FLUTTER HEROES – TURIN – 12 March 2025 2
Adrien BODY
Staff Engineer
François NOLLEN
Staff Engineer

AGENDA
FLUTTER HEROES – TURIN – 12 March 2025 3
01 Continuous Delivery
02 Iterating Faster with Flutter
03 Dealing with Stores
04 Going Beta
05 Instant Updates with Shorebird
06 Feature Flags & Progressive Delivery

4
CONTINUOUS
DELIVERY (FOR MOBILE)
CHAP. 1/6

5
Good Old Waterfall
Releasing every year since the 1970s 😉
Source
:
https://unsplash.com/fr/photos/cascades-ziwmVy1Q1zk

6
« 10+ DEPLOYS PER DAY » @ VELOCITY 2009
Source
:
https://www.youtube.com/watch?v=LdOe18KhtT4

7
A DECADE WITH « DORA »
• 10 years of collecting data
about technology-driven teams
and organizations (39.000+)
• The annual State of DevOps
Report reveals the practices
that separate high and low
performers

8
THE FOUR HORSEMEN KEYS
Source
:
https://dora.dev/research/2024/dora-report/

9
R U L33T?
Source
:
https://dora.dev/research/2024/dora-report/

10
CONTINUOUS CODING?
while (alive)
{
eat();
sleep();
code();
repeat();
}
(function repeat() {
eat();
sleep();
coffeeLoader();
code();
repeat();
})();
while (!dead)
{
eat();
//sleep();
code();
}

11
« CONTINUOUS DELIVERY » FOR MOBILE?
Sources
:
https://blog.cellenza.com/cloud-2/strategie-de-ci-cd-sur-kubernetes/
Hot Reload? ❤
App Bundles?
Firebase?
App Stores?
Reviews?
E2E?
Compiler?
Linter?
Golden?

12
ITERATING FASTER
WITH FLUTTER
DRY (Don’t Repeat Yourself)
Pipelines
Testing
CHAP. 2/6

13
The new and improved SNCF
Connect app launched on time.
As a result, 90% of mobile code
is cross-platform, the team makes
one major release every week
with no delay between iOS and
Android features, and spends less
time monitoring multiple stacks.
https://flutter.dev/showcase/sncf-connect

14
SNCF CONNECT SHOWCASE
https://flutter.dev
/showcase
/sncf-connect

15
Source
:
Building Pipelines

16
MOBILE PIPELINE
Lint +
Compile
Unit-Test
Generate
Code
More
Tests
Even
More
Tests
Deploy

17
GITHUB (AND OTHERS)
• Flutter Github actions
• Lint
• Analyse
• Test
• Build
• Sign
• Release
• Codecov
• runs-on: macos-latest
• runs-on: ubuntu-latest

18
OUR FLUTTER PACKAGES BUILT WITH GITHUB

19
GITLAB
Lint Compile Unit Tests
Generate
code
Golden Tests Widget
Performance
Security
Footprint
Deploy to
stores

20
ARG JDK_VERSION=17
USER root
ARG FLUTTER_VERSION
ARG SONAR_SCANNER_VERSION
ARG VERY_GOOD_VERSION
ENV FLUTTER_HOME "/opt/flutter"
ENV SONAR_SCANNER_HOME=/opt/sonar-scanner
ENV LCOV_COBERTURA_HOME=/opt/lcov-cobertura
ENV PUB_CACHE="$HOME/.pub-cache"
ENV PATH="${FLUTTER_HOME}/bin:${FLUTTER_HOME}/bin/cache/dart-
sdk/bin:${SONAR_SCANNER_HOME}/bin:${LCOV_COBERTURA_HOME}/bin:${PUB_CACHE}/bin:${PATH}"
RUN apk add --update --no-cache
unzip
git
git-lfs
&&
apk add --update --no-cache
--repository=http://dl-cdn.alpinelinux.org/alpine/edge/community
lcov
RUN git lfs install
RUN curl https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-
${SONAR_SCANNER_VERSION}.zip --output sonar-scanner-cli.zip
&& unzip sonar-scanner-cli.zip
&& rm sonar-scanner-cli.zip
&& mv sonar-scanner-${SONAR_SCANNER_VERSION} ${SONAR_SCANNER_HOME}
RUN git clone --branch ${FLUTTER_VERSION} https://github.com/flutter/flutter.git
${FLUTTER_HOME} --depth 1 &&
flutter --suppress-analytics config --no-analytics &&
flutter --suppress-analytics precache &&
flutter doctor
RUN dart --disable-analytics
&& dart pub global activate junitreport
&& dart pub global activate very_good_cli ${VERY_GOOD_VERSION}
&& curl -O https://raw.githubusercontent.com/eriwen/lcov-to-cobertura-
xml/master/lcov_cobertura/lcov_cobertura.py
&& mkdir -p ${LCOV_COBERTURA_HOME}/bin
&& mv lcov_cobertura.py ${LCOV_COBERTURA_HOME}/bin
&& chmod +x ${LCOV_COBERTURA_HOME}/bin/lcov_cobertura.py
&& dart --version
&& very_good --version
• Flutter only | Android?
• openjdk-alpine (185 MB ⚠)
• alpine-android (lighter)
• Alternatives
• docker-images-flutter
• flutter-docker-image
DOCKER IMAGE
ON KUBERNETES

21
variable "image_name" {
type = string
}
variable "vm_cpu_number" {
type = number
}
variable "flutter_version" {
type = string
}
variable "cocoapod_version" {
type = string
}
variable "vm_builder_prefix" {
type = string
default = "ci-shorebird-image-vm-builder"
}
source "macstadium-orka" "image" {
source_image = "${var.base_image}"
image_name = "${var.image_name}"
orka_endpoint = "${var.endpoint}"
orka_user = "${var.orka_user}"
orka_password = "${var.orka_password}"
ssh_username = "${var.vm_ssh_username}"
ssh_password = "${var.vm_ssh_password}"
orka_vm_cpu_core = "${var.vm_cpu_number}"
orka_vm_builder_prefix = "${var.vm_builder_prefix}"
}
build {
sources = [
"macstadium-orka.image"
]
provisioner "shell" {
environment_vars = [
"FLUTTER_VERSION=${var.flutter_version}",
"COCOAPODS_VERSION=${var.cocoapod_version}",
"VM_SSH_PASSWORD=${var.vm_ssh_password}",
]
script = "bin/install-macstadium-shorebird"
}
}
• https://github.com/sncf-connect-
tech/shorebird-
macstadium/blob/main/packer-
shorebird-ios.pkr.hcl
PACKAGE IMAGE
ON MACSTADIUM

22
CODE GENERATION
• OpenAPI Generator
• CLI
• Dart
• Gradle
• Auto_route / Go Router builder
• Intl I18n
• Custom
• Eg. extract theme from Figma

23
DART ANALYSIS & LINT
dart format --fix --line-length 120 .
flutter analyze --no-pub --fatal-infos --fatal-warnings
We want 0 infos / warns to avoid technical debt
Takes 5mns to run in monorepo in CI with more than 250k LoC
Leverage Git Hooks locally :
https://pub.dev/packages/husky
https://rushjs.io/
https://evilmartians.com/opensource/lefthook

24
BUILD SPEED & SIZE
Gradle techniques:
• Share build cache between jobs (also great for pub cache)
• Tune android.enableJetifier
Remove dart const in serializer ⚠ built_value bug
• dart -Dglobal.type.flow.print.timings=true
Use –offline on pub
Remove abis:
• ndk abiFilters 'armeabi-v7a', 'arm64-v8a'
• --target-platform=android-arm,android-arm64
Use webP format for images

25
BUILD SPEED & SIZE
• Build AAB and APK (not universal) and check size:
AAB_SIZE=$(ls -l --block-size=1M "build/app/outputs/bundle/release/app-release.aab"
| awk '{print $5}')
if [[ "${AAB_SIZE}" -gt "${MAX_AAB_SIZE}" ]]; then
log_error "aab size has increazed to ${AAB_SIZE} Mo (max ${MAX_AAB_SIZE} Mo),
check with an app referent this new size"
exit 1
fi
bundletool build-apks --bundle=build/app/outputs/bundle/release/app-release.aab
--output=build/app/outputs/bundle/release/app-release.apks
https://github.com/capyvara/fastlane-plugin-store_sizer

26
INTERNAL DELIVERY
Sources
:
https://fr.goodbarber.com/blog/comment-tester-mon-application-avec-testflight-a782/
AppCenter shutdown: March 2025 🚨
Alternatives:
• Applivery
• Saucelabs TestFairy
• Firebase Distribution
App and
Certificates Storage
with Access Control
External
testing team
B2B Client
Feature
Branch
E2E Testing

27
Source
:
Testing everything
(Automating tests too)

28
GOOD OLD TEST PYRAMID
Golden Tests
Widget Tests (basic)
Unit Tests (BLoC)
Appium E2E Tests (regular UC)
E2E Tests
Golden Tests
Widget Tests
Unit Tests
à Datasets from fixtures
à Datasets from real or mocked data

29
GOLDEN FOR LAYOUT ISSUES
Something got wrong here!

30
GOLDEN FOR THEMES & SIZES

31
GOLDEN FOR ACCESSIBILITY
Golden & manual tests in accessibility mode
(enableSemanticDebugger)
Golden to test old devices 🌱
(+ foldable devices)

32
END-TO-END TESTS
(Hot reload!
❤
)

33
SONAR, DCM, FLUTTER PLUGIN, CHECKMARX

34
2025 SNAPSHOT 📸
Acceptable compilation time, IDE always reactive ✅
Build 22 minutes
Build 21 minutes
Acceptable build time on CI ⚠
Including 3k Golden
Cut out in 5 jobs
Run in ~15m by job
(<10m local run)
Now 10k Flutter Tests 🚀

35
STORES
Where good features go and meet their users 😍
CHAP. 3/6
https://unsplash.com/fr/photos/batiment-de-quatre-etages-avec-escaliers-j-0olYcaihg

36
STORES
Sources
:
https://galadrim.fr/_astro/Image-blog_copy_2J9mH.webp

37
• 2008: birth of the App Stores
• Apple App Store: 500 apps
• Android Market (now Google Play Store)
• 2009-2012: early growth and expansion
• 2013-2016: in-app purchases and subscriptions
• 2015: Google Play staff-reviewed app submissions
and age-based ratings
• 2015: Google Play introduces A/B test experiments
A SHORT HISTORY OF STORES
Sources
:
Source
:
https://appradar.com/blog/app-stores-history

38
Sources
:
• 2017-2020: App Store Optimization
• 2017: Apple publishes new rules for the App Store
• 2018: Apple tightens requirements for app publication,
particularly for VPN applications and user data protection
• 2019: Google introduces new policies to improve app
quality and security
• 2020: Google introduces new policies to enhance app transparency
• 2021: Apple introduces App Tracking Transparency (ATT) with iOS 14.5
• Google announced new policies to improve app quality.
• Google enforced new policies policy aimed to improve the quality
and relevance of app listings. App titles got limited to 30 characters
and the use of popular keywords got prohibited
• Google introduced custom store listings, enabling developers to create tailored content for different user segments
Source
:

39
Sources
:
• 2022:
• Apple blocked 1.7 million applications from being published
on the App Store due to privacy, security, and content standards violations
• Google launches the Data Safety section
• Google introduced up to 50 Custom Store Listings to create
personalized pages for different audience segments
• 2023:
• Apple announces new guidelines for app submissions
• Google introduces new policies to enhance app security
• Google improved custom store listings, allowing developers
to create tailored content for different user segments
• 2024:
• Apple allowed third-party app stores on iPhones and iPads for the first time
Source
:

40
App stores have become huge
marketplaces with more and
more personalization and
rules, with changes happening
almost on a weekly basis.
Sources
:
https://unsplash.com/fr/photos/cables-electriques-assortis-l090uFWoPaI

41
REVIEWS & VALIDATIONS
Sources
:

43
REVIEWS & VALIDATIONS
Sources
:

44
ROLLOUT STRATEGIES
Sources
:
Deployment increment options (Android):
• Per 1%
• Per 20%
• 100% (99% = halt still possible!)

45
APP STORE & TESTFLIGHT
Sources
:

46
OTHER PARAMETERS
Sources
:
Forced update, or flexible update with custom modal, or Play Store-managed (but try keep access to vitals)
Code Freeze for Commercial Events
Low risked VS high risked
Analysis in working hours ! (« Prod’ Captain » role)

47
STORES SIGNATURES MODES: ANDROID
Sources
:

48
STORES SIGNATURES MODES: IOS
Sources
:
Apple Pay

49
STORES ADDITIONAL SECURITIES
Play Integrity API: provides info about request/origin
Auto-protection: prevents from modified APK
App signature options
Play Store visibility: hide Play Store from malicious devices

50
https://docs.flutter.dev/deployment/cd

51
desc "Submit a new Store Build to PlayStore"
lane :upload_to_playstore do |options|
aab_path = "../build/app/outputs/bundle/#{options[:build_mode]}/app-#{options[:build_mode]}.aab"
upload_to_play_store(
aab: aab_path,
track: 'alpha’ | 'rollout’,
rollout: ‘0.5’
)
end
desc "Submit a new Store Build to Testflight"
lane :upload_to_appstore do |options|
ipa_name = options[:ipa_name]
ipa_path = "../build/ios/ipa/#{ipa_name}.ipa"
testflight(
api_key: get_api_key,
skip_submission: true,
ipa: ipa_path
)
end

52
Source
:
https://unsplash.com/fr/photos/conteneurs-intermodaux-classes-de-couleurs-assorties-tjX_sniNzgQ
Store
is the limit?

53
GOING
BETA
Progressive release or rollout
to specific user groups
Photo : https://unsplash.com/fr/photos/les-pieds-dune-personne-sur-une-surface-en-bois-avec-un-signe-XS_o-Iuf9Go
CHAP. 4/6

54
ALPHA, BETA RELEASE AND BETA MODE
Android Channels

55
ALPHA, BETA RELEASE AND BETA MODE
iOS

56
CUSTOM BETA MODE (FEATURES FOR BETA TESTERS ONLY)
Database
AWS DynamoDB:
• Global FT Value
• Beta override
Client ID Value
Back-For-Front
BFF Rules:
• isBetaClient
• ftEnabled
• ftOverrides
Flutter App
Dart SDK:
• Features loaded
from BFF
• Features stored
locally for
session
(consistency)
Exclusive « beta » mode, available only for community users:
• Community program at https://www.vous.sncf-connect.com/
• Direct feedback from beta testers

57
SHOREBIRD
CodePush instant updates for Flutter
Photo : https://unsplash.com/fr/photos/un-petit-oiseau-assis-au-sommet-dune-plante-pres-de-locean-w3m0oRA0UNA
CHAP. 5/6

58
WHY SHOREBIRD?

59
SHOREBIRD: CODEPUSH FOR FLUTTER
Photo
:
https://medium.com/@mabud_alam/code-push-for-flutter-update-your-app-without-a-new-release-using-shorebird-b6f4de672481

60
A FLUTTER FORK FOR COMPLIANCE

61
HOW IT WORKS
SHOREBIRD
SERVER
MOBILE APP
Original
Dart Bundle
Shorebird
Dart Bundle
Patch ?
DOWNLOAD
CUSTOM
BOOT
SHOREBIRD
UPDATER

62
BUILD, (STAGE,) PUBLISH, PROMOTE

63
FLUTTER
MOBILE APP
PLAY STORY
IN-APP UPGRADE
SHOREBIRD
PATCH
🤔
INTERACTION WITH OTHER UPDATES

64
Android open source docker image
https://github.com/sncf-connect-tech/shorebird-docker/blob/main/Dockerfile-shorebird-android
iOS open source MacStadium
https://github.com/sncf-connect-tech/shorebird-macstadium
SHOREBIRD IN GITLAB-CI

65
GREAT TOOL FOR YOU?
Push patches instantly 😍
way faster than deploying to Stores
instant fixes make users happy!
Size overhead 🕵
our measure for our full APK:
Without Shorebird
108.1MB
Shorebird
without the package
shorebird_code_push
114MB
Complexity overhead 🧐
mix Shorebird with other mecanisms?
complexity OK for you / Ops?
Fork of Flutter
Costs 💰
Store compliance? ⚠
Can’t patch native code

66
FEATURE FLAGS
And « Progressive Delivery »
Photo : https://unsplash.com/fr/photos/feux-de-circulation-a-cote-des-arbres-OcpN5K0TwKo
CHAP. 6/6

67
EARLY 2024…
• A major release (50-100 stories)
deployed to stores each week
• 1-day branching to test the
release in isolation
• 3-day regression testing
before deploying to production
• Android/iOS stores
rollout from 24h to 1w
• Mobile vs. Web
different release times

68
We need Speed
to release more than once a week
Source
:
https://unsplash.com/fr/photos/time-lapse-des-lampadaires--Vqn2WrfxTQ

69
We need Safety
to go faster to production
Source
:
https://unsplash.com/fr/photos/photographie-en-accelere-des-lumieres-de-la-ville-la-nuit-SUi9mYSVTyc

70
Regular Toggles
Long-lived toggles acting as
circuit breakers to disable a major
feature or partner integration in
case of emergency.
Activation Toggles A/B Testing Variants
A NEW KIND OF TOGGLES
Short-lived toggles enabling or
disabling a recent change of
code. Always deployed as
disabled. Recycled as soon as
production has proven stable.
Values and String variants used to
perform temporary product
experiments with various
segments of users.
💡

71
ACTIVATION TOGGLES
• Introducing Activation Toggles
for every (eligible) change
being a feature or a fix!
• Any change is tested enabled and
disabled, and goes disabled to
production
• Activation is decoupled
from deployment
• After some time in production, the
toggle is cleaned up
Source
:
https://unsplash.com/fr/photos/un-panneau-dextincteur-rouge-et-blanc-sur-un-mur-de-beton-kPoSgf_cjTk

class FeatureToggleGuard extends AutoRouteGuard
72
CUSTOM IMPLEMENTATION
FT SDK API
Local
storage
FT Cubit
FT Guard

73
class FeatureToggleCubit extends Cubit<FeatureToggleV2State> {
static const _initializationTimeout = Duration(seconds: 5);
final FeatureToggleSdk _featuresSdk;
late final StreamSubscription<Map<String, String>?> _featuresSubscription;
FeatureToggleCubit({FeatureToggleSdk? providedSdk})
: _featuresSdk = providedSdk ?? locator<Sdk>().featureToggle,
super(const InitState()) {
_featuresSubscription = _featuresSdk.featuresStreamV2.listen(
(features) {
emit(BuiltMap<String, String>.from(features).toState());
},
);
}

74
/// Returns true if the feature toggle is explicitly set to [FeatureState.enabled]
bool isFeatureEnabled(String feature) =>
state.withValue((value) =>
value[feature] == FeatureState.enabled ||
(defaultTargetPlatform == TargetPlatform.iOS && value[feature] == FeatureState.iOsOnly) ||
(defaultTargetPlatform == TargetPlatform.android && value[feature] == FeatureState.androidOnly)) ??
false;
void updateStatus({bool withCache = true}) {
_featuresSdk.loadFeatureToggleStatuses(withCache: withCache);
}
Future<bool> isFeatureEnabledAsync(String feature) async {
try {
await waitEndFetching(includeActual: true).timeout(_initializationTimeout);
return isFeatureEnabled(feature);
} on TimeoutException {

75
CUSTOM TOOLS

76
OUTCOMES
• 100s of temporary activation FTs
currently in production
• In 2024 we moved from 1 to 3+ deploys
per week (Web, Backend, Infra)
• Some stories take 2 days from to prod
• Still 1 Stores publish per week… but
features are released more continuously
• ⚠ First seen as a burden for devs…
…even if less rollbacks in production and
many incidents solved instantly

77
We need Tools!
to manage 100s of Feature Flags
Source
:
https://unsplash.com/fr/photos/un-groupe-de-cles-disposees-en-cercle-iuuJC_pjLU0

78
FIREBASE
• Firebase Remote Config
• Release Info
• Custom Keys Limit ⚠

79
FEATURE MANAGEMENT TOOLS

80
A STANDARD FOR FEATURE FLAGS
https://openfeature.dev/

81
LAUNCHDARKLY
• Feature Management platform,
handling booleans/toggles
as well as variations (String)
• User Interface to create, configure
and monitor Feature Flags
• SDK implementations to integrate Flags
with various languages and platforms
• + API + CLI + Intellij + VSCode + Copilot
Source
:
https://launchdarkly.com/blog/new-and-improved-launchdarkly-platform-experience/

82
POLYGLOT SDK (OPENFEATURE + CUSTOM)
Future<void> init() async {
final correlationId = await _storageSdk.getCorrelationId() ?? 'Unknown';
final config = LDConfig(
CredentialSource.fromEnvironment(),
AutoEnvAttributes.enabled,
);
final context = LDContextBuilder().kind("correlationId", correlationId).build();
client = LDClient(config, context);
await client!.start().timeout(const Duration(seconds: 1));
}
Future<bool> isFeatureEnabled(String feature) async {
final featureState = await client?.boolVariation(feature, false) ?? false;
DatadogSdk.instance.rum?.addFeatureFlagEvaluation(feature, featureState);
return featureState;
}

83
MANAGE FLAGS BY ENVIRONMENTS
Source
:

84
DEFINE RULES, WORKFLOWS & PIPELINES
Source
:
https://launchdarkly.com/docs/home/releases/release-pipelines-create

86
INTEGRATING WITH MONITORING

87
AUTOMATIC ROLLOUT (LEVERAGING METRICS)
Source
:
https://launchdarkly.com/docs/home/releases/releasing

88
AUTOMATIC ROLLOUT (LEVERAGING METRICS)
Source
:
https://launchdarkly.com/docs/home/releases/releasing

89
Further with Feature Flags
From Continuous to Progressive Delivery
Source
:
https://unsplash.com/fr/photos/une-voie-ferree-avec-le-soleil-couchant-en-arriere-plan-orossXHCgtE

90
PERSONALIZATION++
Serving features by…
• Environments
• App versions
• Device types
• User segments or individuals
• User context / profile / preferences?
• Region? Weather? Anything…?
• (ML / AI?... 🤖)

92
« PROGRESSIVE DELIVERY »
Continuous Delivery Progressive Delivery
Focused on deployments Focused on features
Releasing bundles Releasing features
Emphasis on target environments Emphasis on users
« All-or-nothing » rollout or rollback Features decoupled from each other
Business and DevOps teams work
together to deploy to production at the
ideal time (for the teams / for the users)
DevOps teams push code to production
(continuously), while the business can
decide on when to release each feature
to each group of users
Source
:

93
Best time to
push an update?
(Best time for who?)
Source
:
https://unsplash.com/fr/photos/homme-en-veste-bleue-et-pantalon-noir-roulant-sur-un-velo-noir-sur-une-route-en-beton-gris-pendant-bj_9ArBKtRM

94
Would you push
changes to the UI now?
What « bad timing » means
depends on your use case)
Source
:
https://unsplash.com/fr/photos/une-voie-ferree-avec-le-soleil-couchant-en-arriere-plan-orossXHCgtE

95
A better time to release
your brand-new feature?
Knowing your users remains essential
Source
:
https://unsplash.com/fr/photos/une-femme-assise-sur-un-canape-dans-un-salon-KkXVoSECjCM

96
CONCLUSION
« It’s a Wrap » 😉
Photo : https://unsplash.com/fr/photos/un-groupe-de-pieces-dans-une-tasse-yA9guldcm54

97
⚡ CD & DORA: faster & safer
👷 Automate everything
🚀 Lots of available options to release
Stores options, beta channels, rollout strategies,
CodePush, Feature Flags & more
😍 Beyond code deploys: Progressive Delivery
A JOURNEY TO CONTINUOUS DELIVERY (FOR MOBILE)

98
E2E Testing with Flutter
Widget Testing with Flutter Accessibility Testing with Flutter
Devoxx France
Flutter Heroes
Flutter Connection

99

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