Scalingo · benjaminach · May 20, 2026 · May 20, 2026 · May 20, 2026 · May 20, 2026
diff --git a/assets/style.css b/assets/style.css
@@ -478,6 +478,10 @@ article aside.note ol {
   color: var(--color-primary-purple-800);
 }
 
+article aside p:last-child {
+  margin-bottom: 0;
+}
+
 article aside.note li::before {
   background-color: var(--color-primary-purple-800);
 }

diff --git a/redirections.yml b/redirections.yml
@@ -893,7 +893,16 @@
 
   - old: "/languages/crystal"
     new: "/changelog#changelog-buildpacks-crystal-support-ended"
-
+
+  - old: "/platform/internals/stacks/scalingo-20-stack"
+    new: "/platform/internals/stacks/stacks"
+
+  - old: "/platform/internals/stacks/intro"
+    new: "/platform/internals/stacks/stacks"
+
+  - old: "/platform/internals/base-docker-image"
+    new: "/platform/internals/stacks/stacks"
+
 obsolete:
   - "/how-to-migrate-from-cloudcontrol/"
   - "/how-to-migrate-from-shelly-cloud/"

diff --git a/src/_includes/nginx_versions.md b/src/_includes/nginx_versions.md
@@ -1,6 +1,10 @@
 Scalingo supports the following versions of Nginx:
 
-| Nginx version         | `scalingo-22`  | `scalingo-24`  |
-| --------------------: | -------------: | -------------: |
-| **`1.30`** (Stable)   | Up to `1.30.1` | Up to `1.30.1` |
-| **`1.29`** (Mainline) | Up to `1.29.8` | Up to `1.29.8` |
+| Nginx version         | `scalingo-22` ([EOL]) | `scalingo-24`  |
+| --------------------: | ------------------: | -------------: |
+| **`1.30`** (Stable)   | Up to `1.30.1`      | Up to `1.30.1` |
+| **`1.29`** (Mainline) | Up to `1.29.8`      | Up to `1.29.8` |
+
+{% include scalingo_22_deprecation_note.md %}
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_includes/scalingo_20_deprecation_note.md b/src/_includes/scalingo_20_deprecation_note.md
diff --git a/src/_includes/scalingo_20_stack_packages.md b/src/_includes/scalingo_20_stack_packages.md
diff --git a/src/_includes/scalingo_22_deprecation_note.md b/src/_includes/scalingo_22_deprecation_note.md
@@ -0,0 +1,4 @@
+{% note %}
+The [`scalingo-22`]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) stack is deprecated and will be discontinued on June 1, 2027.
+Applications must be migrated to [`scalingo-24`]({% post_url platform/internals/stacks/2000-01-01-scalingo-24-stack %}) before this date.
+{% endnote %}
diff --git a/src/_posts/languages/go/2000-01-01-start.md b/src/_posts/languages/go/2000-01-01-start.md
@@ -14,14 +14,16 @@ The Go programming language is supported.
 
 The following versions of Go are available:
 
-| Go Version | `scalingo-22`   | `scalingo-24`   |
-| ---------- | --------------- | --------------- |
-| **`1.26`** | up to `1.26.3`  | up to `1.26.3`  |
-| **`1.25`** | up to `1.25.10` | up to `1.25.10` |
-| **`1.24`** | up to `1.24.13` | up to `1.24.13` |
+| Go Version  | `scalingo-22` ([EOL]) | `scalingo-24`   |
+| ----------: | --------------------: | --------------: |
+| **`1.26`** | up to `1.26.3`        | up to `1.26.3`  |
+| **`1.25`** | up to `1.25.10`       | up to `1.25.10` |
+| **`1.24`** | up to `1.24.13`       | up to `1.24.13` |
 
 The default Go version on all stacks is the latest `go1.24` version.
 
+{% include scalingo_22_deprecation_note.md %}
+
 ### Dependencies Installation
 
 Scalingo installs the dependencies Go application using [Go Modules]({% post_url languages/go/2000-01-01-gomod %}).
@@ -71,3 +73,5 @@ Because the buildpack installs compiled executables to `bin`, the
 ## Buildpack
 
 More information at [https://github.com/Scalingo/go-buildpack](https://github.com/Scalingo/go-buildpack).
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/java/2000-01-01-start.md b/src/_posts/languages/java/2000-01-01-start.md
@@ -14,17 +14,19 @@ Java is officially supported on Scalingo
 
 The following Java versions are available:
 
-| Java SE Version | `scalingo-22`     | `scalingo-24`     |
-| --------------: | ----------------: | ----------------: |
-| **`26`**        | up to `26.0.1`    | up to `26.0.1`    |
-| **`25 (LTS)`**  | up to `25.0.3`    | up to `25.0.3`    |
-| **`21 (LTS)`**  | up to `21.0.11`   | up to `21.0.11`   |
-| **`17 (LTS)`**  | up to `17.0.19`   | up to `17.0.19`   |
-| **`11 (LTS)`**  | up to `11.0.31`   | up to `11.0.31`   |
-| **`8 (LTS)`**   | up to `1.8.0_492` | up to `1.8.0_492` |
+| Java SE Version | `scalingo-22` ([EOL]) | `scalingo-24`     |
+| --------------: | --------------------: | ----------------: |
+| **`26`**        | up to `26.0.1`        | up to `26.0.1`    |
+| **`25 (LTS)`**  | up to `25.0.3`        | up to `25.0.3`    |
+| **`21 (LTS)`**  | up to `21.0.11`       | up to `21.0.11`   |
+| **`17 (LTS)`**  | up to `17.0.19`       | up to `17.0.19`   |
+| **`11 (LTS)`**  | up to `11.0.31`       | up to `11.0.31`   |
+| **`8 (LTS)`**   | up to `1.8.0_492`     | up to `1.8.0_492` |
 
 For Java SE 8, the JDK version is numbered `1.8`.
 
+{% include scalingo_22_deprecation_note.md %}
+
 ### Selecting a Version
 
 The default Java version on `scalingo-22` is the latest `1.8`.
@@ -196,3 +198,5 @@ account.
 
 More information at
 [https://github.com/Scalingo/java-buildpack](https://github.com/Scalingo/java-buildpack).
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/nodejs/2000-01-01-start.md b/src/_posts/languages/nodejs/2000-01-01-start.md
@@ -20,12 +20,14 @@ The file `package.json` should be present at the root of the project.
 
 The following Node.js versions are available:
 
-| Node.js version | `scalingo-22`   | `scalingo-24`   |
-| --------------: | --------------: | --------------: |
-| `v26`           | up to `26.1.0`  | up to `26.1.0`  |
-| `v25`           | up to `25.9.0`  | up to `25.9.0`  |
-| `v24` (LTS)     | up to `24.15.0` | up to `24.15.0` |
-| `v22` (LTS)     | up to `22.22.3` | up to `22.22.3` |
+| Node.js version | `scalingo-22` ([EOL]) | `scalingo-24`   |
+| --------------: | --------------------: | --------------: |
+| `v26`           | up to `26.1.0`        | up to `26.1.0`  |
+| `v25`           | up to `25.9.0`        | up to `25.9.0`  |
+| `v24` (LTS)     | up to `24.15.0`       | up to `24.15.0` |
+| `v22` (LTS)     | up to `22.22.3`       | up to `22.22.3` |
+
+{% include scalingo_22_deprecation_note.md %}
 
 ### Select a Version
 
@@ -438,3 +440,5 @@ The solution is to change the content of the Procfile to directly start the Node
 ```yaml
 web: node server.js
 ```
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/php/2000-01-01-dependencies.md b/src/_posts/languages/php/2000-01-01-dependencies.md
@@ -95,11 +95,12 @@ You can select the Composer version to install by specifying it in your
 
 Scalingo currently supports the following versions of Composer:
 
-| Composer    | `scalingo-22`  | `scalingo-24`  |
-| ----------: | -------------: | -------------: |
-| `2.9`       | up to `2.9.8`  | up to `2.9.8`  |
-| `2.2` (LTS) | up to `2.2.28` | up to `2.2.28` |
+| Composer    | `scalingo-22` ([EOL]) | `scalingo-24`  |
+| ----------: | --------------------: | -------------: |
+| `2.9`       | up to `2.9.8`         | up to `2.9.8`  |
+| `2.2` (LTS) | up to `2.2.28`        | up to `2.2.28` |
 
+{% include scalingo_22_deprecation_note.md %}
 
 ## Working with Composer Environments
 
@@ -113,3 +114,5 @@ development dependencies installed (e.g. to debug your app).
 
 In addition to the `--[no-]dev` flag, the platform always runs
 `composer install` with the `--prefer-dist` and `--optimize-autoloader` flags.
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/php/2000-01-01-start.md b/src/_posts/languages/php/2000-01-01-start.md
@@ -37,12 +37,14 @@ parameters like `upload_max_filesize` or `post_max_size`.
 
 The following PHP versions are available:
 
-| PHP Version | `scalingo-22`    | `scalingo-24`    |
-| ----------: | ---------------- | ---------------- |
-| **`8.5`**   | up to `8.5.6`    | up to `8.5.6`    |
-| **`8.4`**   | up to `8.4.21`   | up to `8.4.21`   |
-| **`8.3`**   | up to `8.3.31`   | up to `8.3.31`   |
-| **`8.2`**   | up to `8.2.31`   | up to `8.2.31`   |
+| PHP Version | `scalingo-22` ([EOL]) | `scalingo-24`  |
+| ----------: | -------------------- | -------------- |
+| **`8.5`**   | up to `8.5.6`        | up to `8.5.6`  |
+| **`8.4`**   | up to `8.4.21`       | up to `8.4.21` |
+| **`8.3`**   | up to `8.3.31`       | up to `8.3.31` |
+| **`8.2`**   | up to `8.2.31`       | up to `8.2.31` |
+
+{% include scalingo_22_deprecation_note.md %}
 
 ### Select a Version
 
@@ -452,3 +454,5 @@ location / {
   try_files $uri $uri/ /index.php?$args;
 }
 ```
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/python/2000-01-01-start.md b/src/_posts/languages/python/2000-01-01-start.md
@@ -21,14 +21,14 @@ your app.
 
 The following versions of Python are available:
 
-| Python Version | `scalingo-20` (EOL) | `scalingo-22`   | `scalingo-24`   |
-| -------------- | ------------------- | --------------- | --------------- |
-| **`3.14`**     | Unsupported         | up to `3.14.4`  | up to `3.14.4`  |
-| **`3.13`**     | up to `3.13.3`      | up to `3.13.13` | up to `3.13.13` |
-| **`3.12`**     | up to `3.12.10`     | up to `3.12.13` | up to `3.12.13` |
-| **`3.11`**     | up to `3.11.12`     | up to `3.11.15` | up to `3.11.15` |
+| Python Version | `scalingo-22` ([EOL]) | `scalingo-24`   |
+| -------------- | -------------------- | --------------- |
+| **`3.14`**     | up to `3.14.4`       | up to `3.14.4`  |
+| **`3.13`**     | up to `3.13.13`      | up to `3.13.13` |
+| **`3.12`**     | up to `3.12.13`      | up to `3.12.13` |
+| **`3.11`**     | up to `3.11.15`      | up to `3.11.15` |
 
-{% include scalingo_20_deprecation_note.md %}
+{% include scalingo_22_deprecation_note.md %}
 
 ### Selecting a Version
 
@@ -130,3 +130,5 @@ The default level of concurrency is automatically defined, depending on the amou
 For further details about this calculation, please see the [WEB_CONCURRENCY.sh](https://github.com/Scalingo/python-buildpack/blob/master/vendor/WEB_CONCURRENCY.sh) script of the Python buildpack.
 
 To override the automatically defined value, set the `WEB_CONCURRENCY` environment variable to the desired value.
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/languages/ruby/2000-01-01-start.md b/src/_posts/languages/ruby/2000-01-01-start.md
@@ -81,11 +81,13 @@ $ git push scalingo master
 
 ### Availability
 
-| Ruby Version | `scalingo-22`  | `scalingo-24`  |
-| -----------: | -------------: | -------------: |
-| **`4.0`**    | up to `4.0.3`  | up to `4.0.3`  |
-| **`3.4`**    | up to `3.4.9`  | up to `3.4.9`  |
-| **`3.3`**    | up to `3.3.11` | up to `3.3.11` |
+| Ruby Version | `scalingo-22` ([EOL]) | `scalingo-24`  |
+| -----------: | --------------------: | -------------: |
+| **`4.0`**    | up to `4.0.3`         | up to `4.0.3`  |
+| **`3.4`**    | up to `3.4.9`         | up to `3.4.9`  |
+| **`3.3`**    | up to `3.3.11`        | up to `3.3.11` |
+
+{% include scalingo_22_deprecation_note.md %}
 
 ### Select a Version
 
@@ -174,3 +176,4 @@ environment variable to the desired value.
 
 
 [web_concurrency_file]: https://github.com/Scalingo/ruby-buildpack/blob/master/lib/language_pack/ruby.rb
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/platform/app/2000-01-01-tailscale.md b/src/_posts/platform/app/2000-01-01-tailscale.md
@@ -37,7 +37,6 @@ tailscale
 Replace `[dist]` with the codename of the [stack]({% post_url platform/internals/stacks/2000-01-01-stacks %}) you are using:
 * `noble` for `scalingo-24` (default)
 * `jammy` for `scalingo-22`
-* `focal` for `scalingo-20`
 
 ## Step 3: Set TAILSCALE_AUTHKEY Environment Variable
 

diff --git a/src/_posts/platform/deployment/2000-01-01-deploy-java-jar-war.md b/src/_posts/platform/deployment/2000-01-01-deploy-java-jar-war.md
@@ -103,16 +103,20 @@ scalingo --app my-app env-set JAVA_WEBAPP_RUNNER_VERSION=10.1.24.0
 
 The latest available versions currently are:
 
-| Tomcat Version | `scalingo-22`     | `scalingo-24`     |
-| -------------: | ----------------: | ----------------: |
-| **`10.1`**     | up to `10.1.54.0` | up to `10.1.54.0` |
-| **`9.0`**      | up to `9.0.117.0` | up to `9.0.117.0` |
-| `8.5`          | up to `8.5.68.1`  | up to `8.5.68.1`  |
+| Tomcat Version | `scalingo-22` ([EOL]) | `scalingo-24`     |
+| -------------: | --------------------: | ----------------: |
+| **`10.1`**     | up to `10.1.54.0`     | up to `10.1.54.0` |
+| **`9.0`**      | up to `9.0.117.0`     | up to `9.0.117.0` |
+| `8.5`          | up to `8.5.68.1`      | up to `8.5.68.1`  |
 
 The default Tomcat version on all stacks is the latest `9.0` version.
 
+{% include scalingo_22_deprecation_note.md %}
+
 {% note %}
 Even though we still support this version, we strongly advise against using the
 `8.5` version, which has been released a while ago. If you are still using it,
 please consider migrating to a more recent version.
 {% endnote %}
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/platform/deployment/buildpacks/2000-01-01-jemalloc.md b/src/_posts/platform/deployment/buildpacks/2000-01-01-jemalloc.md
@@ -59,9 +59,11 @@ web: jemalloc.sh bundle exec puma -C config/puma.rb
 
 The following jemalloc versions are available:
 
-| jemalloc Version | `scalingo-22` | `scalingo-24` |
-| ---------------: | ------------: | ------------: |
-| **`5.3`**        | Up to `5.3.1` | Up to `5.3.1` |
+| jemalloc Version | `scalingo-22` ([EOL]) | `scalingo-24` |
+| ---------------: | --------------------: | ------------: |
+| **`5.3`**        | Up to `5.3.1`         | Up to `5.3.1` |
+
+{% include scalingo_22_deprecation_note.md %}
 
 ### Select a Version
 
@@ -72,3 +74,5 @@ variable, like so:
 ```bash
 scalingo env-set JEMALLOC_VERSION=4.5.0
 ```
+
+[EOL]: {% post_url platform/internals/stacks/2000-01-01-stacks %}#stack-end-of-life
diff --git a/src/_posts/platform/internals/stacks/2000-01-01-scalingo-20-stack.md b/src/_posts/platform/internals/stacks/2000-01-01-scalingo-20-stack.md
diff --git a/src/_posts/platform/internals/stacks/2000-01-01-scalingo-22-stack.md b/src/_posts/platform/internals/stacks/2000-01-01-scalingo-22-stack.md
@@ -1,23 +1,29 @@
 ---
 title: Scalingo-22 Stack
 nav: Scalingo-22
-modified_at: 2026-03-10 00:00:00
+modified_at: 2026-05-21 00:00:00
 index: 3
 ---
 
+{% warning %}
+The scalingo-22 stack, based on Ubuntu 22.04 LTS, is deprecated and will be discontinued on June 1, 2027.
+This date follows the end of Ubuntu 22.04 LTS standard support after May 2027, as described in the [Ubuntu releases list](https://documentation.ubuntu.com/project/release-team/list-of-releases/).\\
+From this date, Scalingo will no longer support applications running on scalingo-22, and new deployments, including Review Apps, must use [scalingo-24]({% post_url platform/internals/stacks/2000-01-01-scalingo-24-stack %}) or later.
+{% endwarning %}
+
 This article describes the scalingo-22 stack, based on Ubuntu 22.04. [What is a stack?]({% post_url platform/internals/stacks/2000-01-01-stacks %})
 
 ## Support Period
 
-scalingo-22 is based on Ubuntu 22.04. It will be supported through April 2027.
+scalingo-22 is based on Ubuntu 22.04. It will be supported through May 2027.
 
 ## Testing and Migrating Your App
 
 Learn how to test and [migrate your app]({% post_url platform/internals/stacks/2000-01-01-stacks %}#migrating-to-a-new-stack) to scalingo-22.
 
 ## Docker Image
 
-This base image is a completely standard Docker image. You can run it locally with this command:
+This base image is a completely standard Docker image. The image is available on [Docker Hub](https://hub.docker.com/r/scalingo/scalingo-22). You can run it locally with this command:
 
 ```
 docker pull scalingo/scalingo-22:latest