Subscribing to Google PubSub Topics with Spring Boot GCP

This will be my pom.xml

From the side menu in Google Cloud console, select IAM & Admin -> Service Accounts .

Click on ⋮ next to the service account with the name “App Engine default service account”, then select Create key.

In the next window, select JSON as the Key type and click CREATE. A Json file will be downloaded to your computer. Copy the file to a folder you prefer.

In your Spring Boot application, create an application.properties file in the resources folder, then add the following. Replace project-Id with your Google Cloud project id and replace path-to-json-file with path to the Json file you just downloaded.

Create a Config file and add the following code. Replace subscription-name with the name you gave to your subscription in our previous article.

In the main class, add the below. Here DemoApplication is my main class. This will log the messages received from PubSub to your console. Actually, these messages are the Conversation History from your Dialogflow chatbot.

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