[GitHub] [apisix] Boburmirzo commented on a diff in pull request #8522: docs: Add new tutorial for managing multiple API version

[GitBox <gi...@apache.org>]

Boburmirzo commented on code in PR #8522:
URL: https://github.com/apache/apisix/pull/8522#discussion_r1049317750


##########
docs/en/latest/tutorials/add-multiple-api-versions.md:
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@@ -0,0 +1,227 @@
+---
+title: Add multiple API versions
+keywords:
+  - API Versioning
+  - Multiple APIs
+  - Proxy rewrite
+  - Request redirect
+  - Route API requests
+description: In this tutorial, you will learn how to _publish and manage multiple versions of your API_ with Apache APISIX.
+---
+
+<!--
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
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+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+-->
+
+## What is API versioning?
+
+**API versioning** is the practice of managing changes to an API and ensuring that these changes are made without disrupting clients. A good API versioning strategy clearly communicates the changes made and allows API consumers to decide when to upgrade to the latest version at their own pace.
+
+## Types of API Versioning
+
+#### URI Path
+
+The most common way to version an API is in the URI path and is often done with the prefix "v". This method employs URI routing to direct requests to a specific version of the API.
+
+```shell
+http://org.apisix/v1/hello
+http://org.apisix/v2/hello
+```
+
+#### Query Params
+
+In this method, the version number is included in the URI, but as a query parameter instead of in the path.
+
+```shell
+http://org.apisix/hello?version=1
+http://org.apisix/hello?version=2
+```
+
+#### Custom Request Header
+
+You can also set the version number using custom headers in requests and responses. This leaves the URI of your resources unchanged.
+
+```shell
+http://org.apisix/hello -H 'Version: 1'
+http://org.apisix/hello -H 'Version: 2'
+```
+
+The primary goal of versioning is to provide users of an API with the most functionality possible while causing minimal inconvenience. Keeping this goal in mind, let’s have a look in this tutorial at how to _publish and manage multiple versions of your API_ with Apache APISIX.
+
+**In this tutorial**, you learn how to:
+
+- Create a route and upstream for our sample API.
+- Add a new version to the existing API.
+- Use [proxy-rewrite](https://apisix.apache.org/docs/apisix/plugins/proxy-rewrite/) plugin to rewrite the path in a plugin configuration.
+- Route API requests from the old version to the new one.
+
+## Prerequisites
+
+For the demo case, we will leverage the sample repository [Evolve APIs](https://github.com/nfrankel/evolve-apis) on GitHub built on the Spring boot that demonstrates our API. You can see the complete source code there.
+
+To execute and customize the example project per your need shown in this tutorial, here are the minimum requirements you need to install in your system:
+
+- [Docker Desktop](https://docs.docker.com/desktop/windows/install/) - you need [Docker desktop](https://www.docker.com/products/docker-desktop/) installed locally to complete this tutorial. It is available for [Windows](https://desktop.docker.com/win/edge/Docker%20Desktop%20Installer.exe) or [macOS](https://desktop.docker.com/mac/edge/Docker.dmg).
+
+Also, complete the following steps to run the sample project with Docker.
+
+Use [git](https://git-scm.com/downloads) to clone the repository:
+
+``` shell
+git clone 'https://github.com/nfrankel/evolve-apis'
+```
+
+Go to root directory of _evolve-apis_
+
+``` shell
+cd evolve-apis
+```
+
+Now we can start our application by running `docker compose up` command from the root folder of the project:
+
+``` shell
+docker compose up -d
+```
+
+### Create a route and upstream for the API.
+
+You first need to [route](https://apisix.apache.org/docs/apisix/terminology/route/) your HTTP requests from the gateway to an [upstream](https://apisix.apache.org/docs/apisix/terminology/upstream/) (your API). With APISIX, you can create a route by sending an HTTP request to the gateway.
+
+```shell
+curl http://apisix:9080/apisix/admin/routes/1 -H 'X-API-KEY: xyz' -X PUT -d '
+{
+  "name": "Direct Route to Old API",
+  "methods": ["GET"],
+  "uris": ["/hello", "/hello/", "/hello/*"],
+  "upstream": {
+    "type": "roundrobin",
+    "nodes": {
+      "oldapi:8081": 1
+    }
+  }
+}'
+```
+
+At this stage, we do not have yet any version and you can query the gateway as below:
+
+```shell
+> curl http://org.apisix/hello

Review Comment:
   Good suggestion! Fixed it. Thanks!



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