docs: add v18 to the README (#326)

NiccoloFei · web-flow · commit 517f68f972fa · 2025-09-26T13:21:06.000+02:00
Signed-off-by: Niccolò Fei &lt;niccolo.fei@enterprisedb.com&gt;
diff --git a/README.md b/README.md
@@ -18,14 +18,13 @@ This repository provides maintenance scripts for generating
 
 | Version | Release Date | EOL        |
 |:-------:|:------------:|:----------:|
+|    18   | 2025-09-25   | 2030-11-14 |
 |    17   | 2024-09-26   | 2029-11-08 |
 |    16   | 2023-09-14   | 2028-11-09 |
 |    15   | 2022-10-13   | 2027-11-11 |
 |    14   | 2021-09-30   | 2026-11-12 |
 |    13   | 2020-09-24   | 2025-11-13 |
 
-In addition, PostgreSQL 18 RC1 is provided for testing purposes only.
-
 These images are designed to serve as operands of the
 [CloudNativePG (CNPG) operator](https://cloudnative-pg.io) in Kubernetes
 environments, and are not intended for standalone use.
diff --git a/docker-bake.hcl b/docker-bake.hcl
@@ -34,7 +34,6 @@ postgreSQLVersions = [
 // Preview versions are automatically filtered out if present in the stable list
 // MANUALLY EDIT THE CONTENT - AND UPDATE THE README.md FILE TOO
 postgreSQLPreviewVersions = [
-  "18~rc1",
 ]
 
 // Barman version to build

Original file line number	Diff line number	Diff line change
`@@ -34,7 +34,6 @@ postgreSQLVersions = [`
`34`	`34`	`// Preview versions are automatically filtered out if present in the stable list`
`35`	`35`	`// MANUALLY EDIT THE CONTENT - AND UPDATE THE README.md FILE TOO`
`36`	`36`	`postgreSQLPreviewVersions = [`
`37`		`- "18~rc1",`
`38`	`37`	`]`
`39`	`38`
`40`	`39`	`// Barman version to build`