Version Policy Update - Postgres 18 to 14

Signed-off-by: Andre Wanlin <awanlin@spotify.com>

packages/backend-test-utils/report.api.md

@@ -510,6 +510,7 @@ export class TestCaches {
 
 // @public
 export type TestDatabaseId =
+  | 'POSTGRES_18'
   | 'POSTGRES_17'
   | 'POSTGRES_16'
   | 'POSTGRES_15'

packages/backend-test-utils/src/database/TestDatabases.ts

@@ -131,7 +131,7 @@ export class TestDatabases {
    * Returns a fresh, unique, empty logical database on an instance of the
    * given database ID platform.
    *
-   * @param id - The ID of the database platform to use, e.g. 'POSTGRES_13'
+   * @param id - The ID of the database platform to use, e.g. 'POSTGRES_14'
    * @returns A `Knex` connection object
    */
   async init(id: TestDatabaseId): Promise<Knex> {

packages/backend-test-utils/src/database/types.ts

@@ -28,6 +28,7 @@ export interface Engine {
  * @public
  */
 export type TestDatabaseId =
+  | 'POSTGRES_18'
   | 'POSTGRES_17'
   | 'POSTGRES_16'
   | 'POSTGRES_15'
@@ -48,6 +49,13 @@ export type TestDatabaseProperties = {
 
 export const allDatabases: Record<TestDatabaseId, TestDatabaseProperties> =
   Object.freeze({
+    POSTGRES_18: {
+      name: 'Postgres 18.x',
+      driver: 'pg',
+      dockerImageName: getDockerImageForName('postgres:18'),
+      connectionStringEnvironmentVariableName:
+        'BACKSTAGE_TEST_DATABASE_POSTGRES18_CONNECTION_STRING',
+    },
     POSTGRES_17: {
       name: 'Postgres 17.x',
       driver: 'pg',