feat(ci): build app for PRs and pushes to main (#2)

* feat(ci): build app for PRs and pushes to main

* fix(ci): only build debug build in pipeline

* feat(ci): always build with keys

* fix(ci): don't build everything on PR

.github/workflows/build.yml

@@ -0,0 +1,53 @@
+name: Flutter Build
+
+on:  
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build-app:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Setup Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+  
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v1
+        with:
+          channel: stable
+
+      - name: Cache pub dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.FLUTTER_HOME }}/.pub-cache
+          key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
+          restore-keys: ${{ runner.os }}-pub-
+
+      - name: Download pub dependencies
+        run: flutter pub get
+
+      - name: Download Android keystore
+        id: android_keystore
+        uses: timheuer/base64-to-file@v1.0.3
+        with:
+          fileName: key.jks
+          encodedString: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+
+      - name: Create key.properties
+        run: |
+          echo "storeFile=${{ steps.android_keystore.outputs.filePath }}" > android/key.properties
+          echo "storePassword=${{ secrets.ANDROID_KEYSTORE_PASSWORD }}" >> android/key.properties
+          echo "keyPassword=${{ secrets.ANDROID_KEY_PASSWORD }}" >> android/key.properties
+          echo "keyAlias=${{ secrets.ANDROID_KEY_ALIAS }}" >> android/key.properties
+      
+      - name: Build Debug Build
+        run: flutter build apk --debug
+

.github/workflows/flutter-release.yml

@@ -21,10 +21,12 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: '12.x'
+
       - name: Setup Flutter
         uses: subosito/flutter-action@v1
         with:
           channel: stable
+
       - name: Flutter version
         run: flutter --version