Deploy application built to connect to SAP HANA Express Edition on app engine of the Google Cloud Platform (GCP)

Install gcloud SDK on your development environment using the instructions from Google SDK. Follow the prompts and take the default if provided.

Once the SDK is installed open a terminal and type the following command to make sure the installation is working.

$ gcloud info

Go to the directory of where your Node JS Application is located.

$ cd hxeapp

Create a file called app.yaml:

hxeapp$ touch app.yaml

Copy the contents below to the app.yaml file.

env: flex
runtime: nodejs

Deploy to the Google cloud

hxeapp$ gcloud app deploy

Note:
The deployment will take ~5 minutes

After successful deployment, open the application by the following command.

gcloud app browse

Go to the directory of where your Python/Flask Application is located.

$ cd hxeapp

Create a file called app.yaml:

hxeapp$ touch app.yaml

Copy the contents below to the app.yaml file. Make sure your main python file is renamed to main.py

   runtime: python27
   api_version: 1
   threadsafe: true

   # [START handlers]
   handlers:
   - url: /static
     static_dir: static
   - url: /.*
     script: main.app
   # [END handlers]
   libraries:
   - name: ssl
     version: 2.7.11

Create a file called appconfig.py.

hxeapp$ touch appconfig.py

Copy the contents below to the appconfig.py file.

   from google.appengine.ext import vendor
   vendor.add('lib')

Deploy to the Google cloud

hxeapp$ gcloud app deploy

Note:
The deployment will take ~5 minutes

After successful deployment, open the application by the following command.

gcloud app browse

Go to the directory of where your GO Application is located.

$ cd hxeapp

Create a file called app.yaml:

hxeapp$ touch app.yaml

Copy the contents below to the app.yaml file.

   runtime: go
   api_version: go1
   env: flex

   handlers:
   - url: /.*
     script: _go_app

Deploy to the Google cloud

hxeapp$ gcloud app deploy

Note:
The deployment will take ~5 minutes

After successful deployment, open the application by the following command.

gcloud app browse

Go to the directory of where your Ruby on Rails Application is located.

$ cd hxeapp

Create a file app.yaml :

hxeapp$ touch app.yaml

Copy the below code to the app.yaml file:

entrypoint: bundle exec rackup --port $PORT
env: flex
runtime: ruby

Note:
If YARN is not installed on the machine, please install YARN using the instructions,
YARN Install before running the above command.

Run the following command and copy the generated key in the console output.

hxeapp$ bundle exec rails secret

Add the below code to app.yaml file.

env_variables:
SECRET_KEY_BASE: <YOUR_GENERATED_LONG KEY>

Run the following command.

hxeapp$ RAILS_ENV=production bundle exec rails assets:precompile

Execute the command below to deploy the application.

hxeapp$ gcloud app deploy

Note:
The deployment will take ~5 minutes.

After successful deployment, open the application by the following command.

gcloud app browse

Go to the directory of where your Sinatra/Ruby Application is located.

$ cd hxeapp

Create a file app.yaml :

hxeapp$ touch app.yaml

Copy the below code to the app.yaml file:

runtime: ruby
env: flex
entrypoint: bundle exec ruby app.rb

Note:
Make sure the sinatra gem is listed in your Gemfile in the Application folder.

Execute the command below to deploy the application.

hxeapp$ gcloud app deploy

Note:
The deployment will take ~5 minutes.

After successful deployment, open the application by the following command.

gcloud app browse