Update build.yml

Author: nahtheol

.github/workflows/build.yml

@@ -3,7 +3,7 @@ name: Flutter iOS Build
 on:
   push:
     branches:
-      - main  # Or your branch name
+      - main
   workflow_dispatch:
 
 jobs:
@@ -23,6 +23,26 @@ jobs:
       - name: Install dependencies
         run: flutter pub get
 
+      - name: Decode and install certificate
+        env:
+          CERTIFICATE_BASE64: ${{ secrets.APPLE_CERTIFICATE }}
+          CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+        run: |
+          echo "$CERTIFICATE_BASE64" | base64 --decode > certificate.p12
+          security create-keychain -p "" build.keychain
+          security import certificate.p12 -k build.keychain -P "$CERTIFICATE_PASSWORD" -T /usr/bin/codesign
+          security list-keychains -s build.keychain
+          security default-keychain -s build.keychain
+          security unlock-keychain -p "" build.keychain
+          security set-keychain-settings
+
+      - name: Install provisioning profile
+        env:
+          PROFILE_BASE64: ${{ secrets.APPLE_PROVISIONING_PROFILE }}
+        run: |
+          mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
+          echo "$PROFILE_BASE64" | base64 --decode > ~/Library/MobileDevice/Provisioning\ Profiles/profile.mobileprovision
+
       - name: Build iOS
         run: flutter build ipa --release -t lib/main.dart