diff --git a/.github/workflows/cd-ios.yml b/.github/workflows/cd-ios.yml
index efb504b4..826ceb2c 100644
--- a/.github/workflows/cd-ios.yml
+++ b/.github/workflows/cd-ios.yml
@@ -41,6 +41,12 @@ on:
         required: true
       appstore-private-key:
         required: true
+      discord_client_id:
+        required: true
+      api_host:
+        required: true
+      monitoring_key:
+        required: true
 jobs:
   publish-ios:
     runs-on: macos-15
@@ -68,8 +74,18 @@ jobs:
       #     model: 'iPhone 16'
       #     os_version: 18.2
 
-      # This step might be obsolete at some point as .NET MAUI workloads
-      # are starting to come pre-installed on the GH Actions build agents.
+      # Build Environement variables
+      - name: Environement variables
+        run: |
+          chmod +x ./App/builds/ios_prebuild.sh
+          ./App/builds/ios_prebuild.sh
+        shell: bash
+        env:
+          discord_client_id: ${{ secrets.discord_client_id }}
+          api_host: ${{ secrets.api_host }}
+          monitoring_key: ${{ secrets.monitoring_key }}
+          project_folder: '.'
+
       - name: Install MAUI Workload
         run: |
           dotnet workload install maui --ignore-failed-sources
diff --git a/.github/workflows/dev-deploy.yml b/.github/workflows/dev-deploy.yml
index 28d97545..4100d65a 100644
--- a/.github/workflows/dev-deploy.yml
+++ b/.github/workflows/dev-deploy.yml
@@ -44,6 +44,9 @@ jobs:
       appstore-issuer: ${{ secrets.APPSTORE_ISSUER_ID }}
       appstore-keyid: ${{ secrets.APPSTORE_KEY_ID }}
       appstore-private-key: ${{ secrets.APPSTORE_PRIVATE_KEY }}
+      discord_client_id: ${{ secrets.DISCORD_CLIENT_ID }}
+      api_host: ${{ secrets.API_HOST }}
+      monitoring_key: ${{ secrets.MONITORING_KEY }}
   build-android:
     needs: setup
     uses: ./.github/workflows/cd-android.yml
diff --git a/.github/workflows/pr-deploy.yml b/.github/workflows/pr-deploy.yml
index a57e7349..4944f30b 100644
--- a/.github/workflows/pr-deploy.yml
+++ b/.github/workflows/pr-deploy.yml
@@ -45,6 +45,9 @@ jobs:
       appstore-issuer: ${{ secrets.APPSTORE_ISSUER_ID }}
       appstore-keyid: ${{ secrets.APPSTORE_KEY_ID }}
       appstore-private-key: ${{ secrets.APPSTORE_PRIVATE_KEY }}
+      discord_client_id: ${{ secrets.DISCORD_CLIENT_ID }}
+      api_host: ${{ secrets.API_HOST }}
+      monitoring_key: ${{ secrets.MONITORING_KEY }}
   build-android:
     needs: setup
     uses: ./.github/workflows/cd-android.yml
diff --git a/.github/workflows/prod-deploy.yml b/.github/workflows/prod-deploy.yml
index e00d4781..b4e7993b 100644
--- a/.github/workflows/prod-deploy.yml
+++ b/.github/workflows/prod-deploy.yml
@@ -44,6 +44,9 @@ jobs:
       appstore-issuer: ${{ secrets.APPSTORE_ISSUER_ID }}
       appstore-keyid: ${{ secrets.APPSTORE_KEY_ID }}
       appstore-private-key: ${{ secrets.APPSTORE_PRIVATE_KEY }}
+      discord_client_id: ${{ secrets.DISCORD_CLIENT_ID }}
+      api_host: ${{ secrets.API_HOST }}
+      monitoring_key: ${{ secrets.MONITORING_KEY }}
   build-android:
     needs: setup
     uses: ./.github/workflows/cd-android.yml
diff --git a/App/builds/ios_prebuild.sh b/App/builds/ios_prebuild.sh
new file mode 100644
index 00000000..66f813de
--- /dev/null
+++ b/App/builds/ios_prebuild.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+echo "Launching ios pre-build script"
+if [ -z "$discord_client_id" ]
+then
+    echo "You need define the discord_client_id variable in App Center"
+    exit
+fi
+if [ -z "$api_host" ]
+then
+    echo "You need define the api_host variable in App Center"
+    exit
+fi
+if [ -z "$monitoring_key" ]
+then
+    echo "You need define the monitoring_key variable in App Center"
+    exit
+fi
+
+APP_CONSTANT_FILE=$project_folder/App/Core/AppConstant.cs
+
+if [ -e "$APP_CONSTANT_FILE" ]
+then
+    echo "Updating AppConstant.cs"
+    echo "---"
+    echo "DiscordClientId = "$discord_client_id
+    sed -i '' 's#DiscordClientId = Environment.GetEnvironmentVariable("discord_client_id")#DiscordClientId = "'$discord_client_id'"#g' $APP_CONSTANT_FILE
+    echo "ApiHost = "$api_host
+    sed -i '' 's#ApiHost = Environment.GetEnvironmentVariable("api_host")#ApiHost = "'$api_host'"#g' $APP_CONSTANT_FILE
+    echo "MonitoringKey = "$monitoring_key
+    sed -i '' 's#MonitoringKey = Environment.GetEnvironmentVariable("monitoring_key")#MonitoringKey = "'$monitoring_key'"#g' $APP_CONSTANT_FILE
+    echo "File content:"
+    cat $APP_CONSTANT_FILE
+else
+    echo "Incorrect file: "$APP_CONSTANT_FILE
+    exit
+fi
\ No newline at end of file