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Continuous Integration and Delivery (CI/CD) for Ionic apps

Dec 2, 2020

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Written by Sneh Pandya

According to the latest developer survey conducted by the official Ionic team, a striking 86% of developers in the cross-platform mobile development space are using Ionic to develop their apps. Even more surprisingly, over 75% of all these developers are web developers. The bigger takeaway is that business executives and developers have responded that mobile frameworks like Ionic can, in fact, provide stellar app experiences across platforms.

With this, it becomes even more important to have seamless integration to automate your apps. In this article, we will set up the building, testing and distribution of Ionic apps with Codemagic.

It is recommended to go through the article for a better understanding, but if you already have experience with using the codemagic.yaml file, you can get the YAML templates for the Ionic project here.

Getting started: Continuous Integration and Delivery for Ionic apps

To start, you will need to have your current Ionic project hosted on a code repository platform, like GitHub, GitLab or Bitbucket, using a version control system. Then, proceed with the steps below to set up and download the codemagic.yaml file for your project.

  1. Log in to Codemagic using your preferred method, either via email or via a version control platform where your project is hosted as a repository.

  2. In the Applications section, search for your project and click on Set up build.

  3. Select Ionic App as the app starter workflow.

  1. Download the YAML template for the Ionic project by clicking the download button.
  1. Now, open the codemagic.yaml file using your preferred code editor. The file contents will look like this:
    # Ionic Capacitor workflows
        name: Ionic Capacitor iOS App
                XCODE_WORKSPACE: "ios/App/App.xcworkspace" # <- 'App' is the default workspace name for Capacitor projects
                XCODE_SCHEME: "App" # <- 'App' is the default scheme name for Capacitor projects
            node: latest
            - npm install     
            - npx cap sync
            - |
                # Build iOS
                cd platforms/ios
                pod install
                xcodebuild build -workspace "$XCODE_WORKSPACE" -scheme "$XCODE_SCHEME" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED=NO                
            - $HOME/Library/Developer/Xcode/DerivedData/**/Build/**/*.app
            - $HOME/Library/Developer/Xcode/DerivedData/**/Build/**/*.dSYM
        name: Ionic Capacitor Android App
            node: latest
            - npm install     
            - npx cap sync
            - |
                # Build Android
                cd android
                ./gradlew assembleDebug                
            - android/app/build/outputs/**/*.apk
    # Ionic Cordova workflows
        name: Ionic Cordova iOS App
                XCODE_SCHEME: "{{ ADD SCHEME NAME HERE }}"
            node: latest
            - |
                # Install dependencies and update to Cordova version 9
                npm install
                cvm install 9.0.0
                cvm use 9.0.0                
            - |
                # Set up Cordova iOS platform
                ionic cordova platform remove ios --nosave
                ionic cordova platform add ios --confirm --no-interactive --noresources                
            - |
                # Build iOS
                cd platforms/ios
                pod install
                xcodebuild build -workspace "$XCODE_WORKSPACE" -scheme "$XCODE_SCHEME" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED=NO                
            - $HOME/Library/Developer/Xcode/DerivedData/**/Build/**/*.app
            - $HOME/Library/Developer/Xcode/DerivedData/**/Build/**/*.dSYM
        name: Ionic Cordova Android App
            node: latest
            - |
                # Install dependencies and update to Cordova version 9
                npm install
                cvm install 9.0.0
                cvm use 9.0.0                
            - |
                # Set up Cordova Android platform
                ionic cordova platform remove android --nosave
                ionic cordova platform add android --confirm --no-interactive --noresources                
            - |
                # Build Android Cordova App
                script: ionic cordova build android --debug --no-interactive --device                
            - platforms/android/app/build/outputs/**/*.apk

Default YAML configuration

There are two types of workflows specified for Ionic in the YAML configuration file: Capacitor and Cordova. The iOS Cordova workflow specified in the YAML file will require an Xcode workspace name and an Xcode scheme. You will need to specify them in the YAML file under environment variables.

In order to generate the .ipa file for iOS, you will need to set up code signing. Android does not require any specific setup steps to generate apk builds.

How to code sign Ionic apps for iOS

To set up code signing for iOS, you will need two different configuration files:

  • Certificate

  • iOS provisioning profile

To publish your app on App Store Connect, you will need an iOS Distribution Certificate. If you only want to generate the ipa build file for iOS, then an iOS Development Certificate also works.

To download the required configuration files, follow the steps below:

  1. Open Xcode.

  2. Go to Xcode → Preferences from the top navigation bar.

  3. From the top of the window, navigate to the Accounts section.

  4. Now, select the Team under your Apple ID for which you want to download the certificate.

  1. Click on Manage Certificates.

  2. Right-click the Development Certificate and select Export Certificate. Enter your credentials and save the certificate.

  3. To generate the provisioning profile, click Download Manual Profiles. This will save the provisioning profile in the directory ~/Library/MobileDevice/Provisioning Profiles/.

Now you are ready to upload the files on Codemagic and proceed to the next steps.

Understanding YAML for Ionic apps

Let’s talk about codemagic.yaml for Ionic projects. The default YAML script consists of two different workflows: Capacitor workflow and Cordova workflow. Both of the workflows include configurations for both Android and iOS. You should remove or comment out the workflow that you don’t require.

Adding environment variables

We need to add the credentials in encrypted form in the environment variables section of the codemagic.yaml file. These environment variables will be used to generate Android and iOS builds.

Android environment variables for release APK generation and Google Play Store automated publishing:

  • FCI_KEYSTORE: keystore file in encrypted format

  • FCI_KEYSTORE_PASSWORD: keystore password in encrypted format

  • FCI_KEY_PASSWORD: keystore alias password in encrypted format

  • FCI_KEY_ALIAS: keystore alias username in encrypted format

  • credentials: JSON key file for Google Play service account in encrypted format

iOS environment variables for automatic code signing and App Store Connect publishing:

  • APP_STORE_CONNECT_ISSUER_ID: App Store Connect Issuer ID

  • APP_STORE_CONNECT_KEY_IDENTIFIER: App Store Connect key identifier

  • APP_STORE_CONNECT_PRIVATE_KEY: App Store Connect private key

  • CERTIFICATE_PRIVATE_KEY: Certificate private key

  • password: App Store Connect app-specific password in encrypted format

You can find more information on this here and here.

You can generate the encrypted versions of these files/variables by following these steps:

  1. Go to the project settings.

  2. Click Encrypt environment variables.

  3. Upload the files or enter the variables to generate the encrypted versions of each.

Testing Ionic apps

To run the tests for your Android and iOS builds, you need to modify your script accordingly, as shown below. The code for testing an Ionic project also goes under the scripts section:

- name: iOS test
    script: |
    xcode-project run-tests \
        --workspace "$XCODE_WORKSPACE" \
        --scheme "$XCODE_SCHEME" \
        --device "iPhone 11"
    test_report: build/ios/test/*.xml    

- name: Android test
  script: ./gradlew test
  test_report: app/build/test-results/**/*.xml

Collecting artifacts

All generated artifacts are stored on the path specified in the script. All of these artifacts can be published to external services. The currently available integrations are email, Slack and Google Play. It is also possible to publish elsewhere with custom scripts (e.g., Firebase App Distribution). More examples for publishing scripts can be found here.


All Android applications need to be signed before release. To learn about Gradle code signing configuration for Ionic Capacitor apps, refer to the Android code signing documentation. If you are building Ionic Cordova Android apps, the configuration is included in the workflow itself.

Likewise, all iOS applications need to be signed before release. To learn about iOS code signing configuration, refer to the iOS code signing documentation.

Building Ionic apps on Codemagic

Before starting a build on Codemagic, make sure that you have the codemagic.yaml file committed in the same project at the root level via the version control system.

To start the build, follow the steps below:

  1. In the application settings for your Ionic project, click Check for configuration file.

  2. Click Start your first build to start building your Android and iOS apps from the Ionic project.

  1. Select the workflow from the codemagic.yaml file, and click Start new build.

This will start a new build for your project.


With the combination of a cross-platform mobile application development framework and a continuous integration and delivery solution like Codemagic, it is seamless to build, test and deploy apps using Ionic framework. Also, using codemagic.yaml removes the hassle of repeatedly performing tedious steps. You can manage your own workflows and trigger builds whenever you wish to, including new pushes on the version control system.

Sneh is a Senior Product Manager based in Baroda. He is a community organizer at Google Developers Group and co-host of NinjaTalks podcast. His passion for building meaningful products inspires him to write blogs, speak at conferences and mentor different talents. You can reach out to him over Twitter (@SnehPandya18) or via email (

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