Zato Blog

Open Source ESB, APIs, AI
and Cloud Integrations in Python

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API publish/subscribe between Zato services

Dariusz Suchojad
March 28, 2021
One of the additions in the upcoming Zato 3.2 release of is an extension to its publish/subscribe mechanism that lets services publish messages directly to other services. Let’s check how to use it and how it compares to other means of invoking one’s API services. How does it work? In your Zato service, you can publish a message to any other services as below. Simply point self.pubsub.publish to the target service by the latter’s name and it will receive your message.

Topics: Publish Subscribe

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Setting advanced options of SQL connection pools

Dariusz Suchojad
February 22, 2021
In this article, we will cover the details of how Zato SQL connection pools can be configured to take advantage of features and options specific to a particular driver or to the SQLAlchemy library.

Topics: SQL

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Configuring API details via environment variables

Dariusz Suchojad
February 15, 2021
Today, we are looking at how environment variables can be used to let the configuration of your Zato-based API services be reusable across environments - this will help you centralise all of your configuration artefacts without a need for changes when code is promoted across environments of different levels.

Topics: Configuration, Docker, CLI

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Integrating with IBM MQ in Python

Dariusz Suchojad
February 8, 2021
Using Zato, it is easy to make IBM MQ queues available to Python applications - this article will lead you step-by-step through the process of setting up the Python integration platform to listen for MQ messages and to send them to MQ queue managers.

Topics: IBM MQ

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New REST programming examples

Dariusz Suchojad
January 15, 2021
As we are preparing to release Zato 3.2 soon, all the programming examples are being rewritten to showcase what the platform is capable of. That includes REST examples too and this article presents a few samples taken from the documentation.

Topics: REST

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Diving deep into REST API channels

Dariusz Suchojad
January 4, 2021
We begin in 2021 with a deep dive into Zato REST API channels. What are they? How to use them efficiently? How can they configured for maximum flexibility? Read on to learn all the details.

Topics: REST

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Configuring REST channels for CORS

Dariusz Suchojad
December 14, 2020
With the rise of Single-Page Applications (SPA) in web frontends, it is often the case that backend REST APIs based on Zato need to be configured for CORS. This article will explore what CORS is and how to make Zato participate in scenarios using it.

Topics: REST, CORS