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Lucas Manuel RodriguezandCopilot Autofix powered by AI 36f73885d8 Bump Render blueprint MySQL to 8.0.44 (#47488 ) (#48481 )

**Related issue:** Resolves #47488

Smoke tested a Render blueprint deploy using this branch:

<img width="655" height="216" alt="Screenshot 2026-06-30 at 12 11 25 PM"
src="https://github.com/user-attachments/assets/7f5b6e76-1aa6-4ae6-b96c-9757f7cf2baf"
/>

## What & why

The Render deployment blueprint provisioned its MySQL service from the
external
[`render-examples/mysql`](https://github.com/render-examples/mysql)
repo, whose Dockerfile pins `mysql/mysql-server:8.0.24`. MySQL 8.0.24
does not support nesting a `UNION` inside the right-hand operand of
another `UNION`, so host-detail queries fail with:

> Error 1235 (42000): This version of MySQL doesn't yet support 'nesting
of unions at the right-hand side'

This surfaced via the Vanta integration hitting `GET
/api/latest/fleet/hosts/:id` on a Render deployment.

This PR switches the `fleet-mysql` service to pull the official
`mysql:8.0.44` image directly (`runtime: image`), removing the
dependency on the external repo. 8.0.44 is Fleet's documented minimum
supported MySQL version and is what `docker-compose.yml` already uses
for dev/CI. The official image honors the same `MYSQL_DATABASE` /
`MYSQL_USER` / `MYSQL_PASSWORD` / `MYSQL_ROOT_PASSWORD` env contract, so
the rest of the blueprint is unchanged.

`8.0.44` (latest 8.0) was chosen over `8.4` so existing deployments
upgrade in place from their current 8.0.24 data volume without a
cross-major manual step.

# Checklist for submitter

- [x] Changes file added for user-visible changes in `changes/`.

## Testing

- [x] QA'd all new/changed functionality manually

Verified locally (Docker) that the failing query shape behaves as
expected across versions:

| Query shape | MySQL 8.0.24 | MySQL 8.0.44 |
|---|---|---|
| `SELECT 1 UNION (SELECT 2)` | works | works |
| `SELECT 1 UNION (SELECT 2 UNION SELECT 3)` | **ERROR 1235** | works |
| `(SELECT 1 UNION SELECT 2) UNION (SELECT 3 UNION SELECT 4)` | **ERROR
1235** | works |

`docker-compose.yml` already runs `mysql:8.0.44` with the same env
contract, so the image swap is a drop-in. Remaining validation on a real
Render Blueprint instance: fresh provision health (`/healthz`, `fleet
prepare db`, `hostport` resolution) and in-place upgrade from an
existing 8.0.24 volume.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Bug Fixes**
* Updated the database deployment target to a newer MySQL version,
resolving a Render deployment error related to union nesting.
* Switched the managed database service to use an explicit MySQL 8.0.44
image for more reliable deployments.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

2026-06-30 12:26:57 -03:00

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Fleet deployment guide

This guide outlines the services configured in the Render blueprint for deploying the Fleet system, which includes a web service, a MySQL database, and a Redis server.

Services overview

1. Fleet web service

Type: Web
Runtime: Image
Image: fleetdm/fleet:latest
Description: Main web service running the Fleet application, which is deployed using the latest Fleet Docker image. Configured to prepare the database before deployment.
Health check path: /healthz
Environment variables: Connects to MySQL and Redis using service-bound environment variables.

2. Fleet MySQL database

Type: Private service (pserv)
Runtime: Image
Image: docker.io/library/mysql:8.0.44
Disk: 10 GB mounted at /var/lib/mysql
Description: MySQL database used by the Fleet web service. Environment variables for database credentials are managed within the service and some are automatically generated.

3. Fleet Redis service

Type: Private service (pserv)
Runtime: Image
Repository: Redis Docker image
Description: Redis service for caching and other in-memory data storage needs of the Fleet web service.

Deployment guide

Prerequisites

You need an account on Render.
Familiarity with Render's dashboard and deployment concepts.

Steps to deploy

Click the deploy on render button or import the blueprint from the Render service deployment dashboard.

Post-deployment

Navigate to the generated URL and run through the initial setup. If you have a license key you can add it post-deploy as an environment variable FLEET_LICENSE_KEY=value in the Fleet service configuration.

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