- About this article
- Conclusion first
- Practical considerations
- How does it compare to Microsoft Azure?
- Security
- Official Information
- What should I do next?
- Enhancements in Cross-Functional Audits
- Separating Publishers and Subscribers
- Official Google Information
- Papanda TRY: Animate Publisher to Topic to Subscriber
- What kind of service is it overall?
- Reinforcement in cross-functional final audits
About this article
This article was created using an automated generation workflow powered by generative AI.
An asynchronous messaging service that connects publishers and subscribers in a loosely coupled manner. Verified and organized based on official Google documentation.
Information verification date: 2026-09-19
Conclusion first
An asynchronous messaging service that connects publishers and subscribers in a loosely coupled manner.
| Perspective | Items to verify |
|---|---|
| Use case | An asynchronous messaging service that connects publishers and subscribers in a loosely coupled manner |
| Infrastructure | Project / IAM / API |
| Operations | Review logging, monitoring, backup, and other functions by purpose |
| Cost | Check region, usage volume, and pricing table |
flowchart LR App[アプリ] --> S[対象サービス] IAM[IAM] --> S S --> Data[データ] S --> Obs[Logging / Monitoring]
Practical considerations
Start small in a verification project, and verify IAM, networking, region, availability, backup, monitoring, and pricing according to the characteristics of the service.
How does it compare to Microsoft Azure?
While there are similar Azure services, we will compare them under the same conditions for managed scope, pricing, networking, and identity integration.
Security
Use least-privilege service accounts, and manage passwords and private keys using Secret Manager or similar tools. Do not store credentials in public repositories.
Official Information
What should I do next?
Review billing and deletion procedures before starting the quickstart, and create a minimal configuration in a test environment.
Enhancements in Cross-Functional Audits
Three key points for beginners
Role: Understand what Pub/Sub is—organizing asynchronous messaging—by identifying whether it belongs to the application, data, or operations layer.
User: Distinguish between general users, the IT department, and developers regarding who configures the settings and who uses the results.
Pre-production Check: Verify applicable items—such as pricing, IAM/permissions, regions, logs, backups, and deletion methods—using official documentation.
Safe Experimentation Methods
Use a verification project and dummy data, starting with read operations and checks. For modification operations, verify the target project and permissions, and then confirm expected results in logs or screens after execution. Do not save secret information such as API keys, tokens, or service account keys to public GitHub repositories.
Separating Publishers and Subscribers
Pub/Sub is a messaging service that loosely couples the publisher sending messages and the subscriber receiving them. The sending side can integrate without directly waiting for the receiving side to finish processing. Verify at least the topic, subscription, delivery method, and preparations for retries and duplicate processing.
Official Google Information
Papanda TRY: Animate Publisher to Topic to Subscriber
We will create a static browser demo where you send a dummy message to a Topic using a send button and move it to the Subscriber side. No actual Cloud credentials are required, allowing you to visually grasp the decoupled nature of senders and receivers in asynchronous messaging.
What kind of service is it overall?
An asynchronous messaging service that loosely couples Publishers and Subscribers.
Reinforcement in cross-functional final audits
Three perspectives to separate in practice
General users and administrative stafffocus on what benefits the service provides,IT administratorsmanage Projects, IAM, billing, logs, and data protection, anddevelopersfocus on how to reproduce functionality using APIs, CLIs, and SDKs.
| Verification axis | Verification points in Google Cloud |
|---|---|
| Project | Management boundaries for billing, APIs, IAM, and resources |
| IAM | Grant only the minimum necessary roles to the principal |
| API | Verify the status, quotas, and authentication methods |
| Operations | Plan for logging, monitoring, and alerting |
| Secrets | Use Secret Manager or similar tools to avoid hardcoding secrets in the code |
| Cost | Check pricing, free tiers, and stop or delete conditions in advance |
Testing safely
Create a minimal configuration in a test project, andperform creation, functionality verification, log inspection, and deletionas a single set. The success criterion is that the target service responds as expected and that logs and status can be verified. Next, change only one item, such as the region, resource volume, or execution conditions, and check the differential.
Translation for Microsoft Azure practitioners
Experience with Azure subscriptions and resource groups, Entra ID and RBAC, Azure Monitor, and similar tools is helpful for understanding concepts, but you should verify the corresponding relationships for Google Cloud projects, IAM roles, service accounts, and Cloud Logging and Monitoring individually. Compare them by management boundaries and division of responsibility rather than by name.
Security
Do not hardcode service account keys, OAuth tokens, API keys, connection strings, or actual project IDs in public samples. Whenever possible, use short-lived credentials or Google-recommended authentication methods, combined with the principle of least privilege and audit logs.
