What does the deploy_app.sh script do in the Cloud Endpoints quickstart tutorial?
The deploy_app.sh script in the Cloud Endpoints quickstart tutorial serves the purpose of deploying the sample API backend to the Google Cloud Platform (GCP). This script is a shell script that automates the deployment process by executing a series of commands and configurations.
When executed, the deploy_app.sh script performs the following tasks:
1. Sets up the necessary environment variables: The script sets up environment variables such as the project ID, service name, and version. These variables are used throughout the deployment process to ensure the correct configuration and identification of the deployed API.
2. Creates the Cloud Endpoints service configuration: The script generates a service configuration file (openapi.yaml) based on the OpenAPI specification provided in the tutorial. This file defines the API's endpoints, methods, parameters, and other relevant details. The service configuration is essential for Cloud Endpoints to generate the necessary API management features.
3. Deploys the API backend to Cloud Endpoints: The script uses the gcloud command-line tool to deploy the API backend to Cloud Endpoints. It uploads the service configuration file and deploys the backend code to the GCP App Engine. This step ensures that the API is accessible and can handle incoming requests.
4. Enables the Cloud Endpoints API: The script enables the Cloud Endpoints API for the deployed backend. This step allows the API to benefit from the management features provided by Cloud Endpoints, such as authentication, monitoring, and logging.
5. Generates the client library: The script generates a client library for the API using the Google Cloud Endpoints Frameworks for Java. This library provides a convenient way for developers to interact with the API by abstracting the underlying HTTP requests and responses.
By executing the deploy_app.sh script, developers can easily deploy their API backend to GCP and enable Cloud Endpoints functionality. The script automates the necessary steps and ensures a smooth deployment process, saving time and effort.
To summarize, the deploy_app.sh script in the Cloud Endpoints quickstart tutorial automates the deployment of the sample API backend to GCP. It sets up environment variables, creates the service configuration, deploys the backend, enables the Cloud Endpoints API, and generates the client library. This script simplifies the deployment process and allows developers to quickly get started with Cloud Endpoints.
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