Create README.md

README.md

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+##Securely storing environment variables in Google App Engine (GAE) with app.yaml
+
+###The action will help you to solve the following problems:
+1. If you need to store API keys or other sensitive information in app.yaml as environment variables for deployment on Google App Engine.
+2. If you don't like the idea to push secret environment variables app.yaml to GitHub.
+3. If you don't like the idea to store the environment variables in a datastore.
+
+
+###Action swaps environment variables in app.yaml with the minimal effort
+
+1. Modify the app.yaml file:
+
+        env_variables:
+            MY_ENV_VAR1: $MY_ENV_VAR1
+            MY_ENV_VAR2: $MY_ENV_VAR2
+
+2. Add this action to your workflow:
+
+        - uses: actions/checkout@v1
+        - uses: ikuanyshbekov/app-yaml-env-compiler@v1.0
+          env:
+            MY_ENV_VAR1: ${{ secrets.MY_ENV_VAR1 }}
+            MY_ENV_VAR2: ${{ secrets.MY_ENV_VAR2 }}  
+
+`Note: app.yaml file should be in the root project directory`
+
+
+Full example with deployment to Google App Engine:     
+
+    deploy:
+        name: Deploy
+        runs-on: ubuntu-latest
+        needs: [build]
+    steps:
+        - uses: actions/checkout@v1
+        - uses: ikuanyshbekov/app-yaml-env-compiler@v1.0
+          env:
+            MY_ENV_VAR1: ${{ secrets.MY_ENV_VAR1 }}
+            MY_ENV_VAR2: ${{ secrets.MY_ENV_VAR2 }}              
+        - uses: actions-hub/gcloud@master
+          env:
+            PROJECT_ID: ${{ secrets.GCLOUD_PROJECT_ID }}
+            APPLICATION_CREDENTIALS: ${{ secrets.GCLOUD_AUTH }}
+            CLOUDSDK_CORE_DISABLE_PROMPTS: 1
+          with:
+            args: app deploy app.yaml