Add pgvector/pgvector as a compatible image (testcontainers#7898) (testcontainers#8401)

Author: eddumelendez

modules/postgresql/src/main/java/org/testcontainers/containers/PostgreSQLContainer.java

@@ -11,7 +11,7 @@
 /**
  * Testcontainers implementation for PostgreSQL.
  * <p>
- * Supported image: {@code postgres}
+ * Supported images: {@code postgres}, {@code pgvector/pgvector}
  * <p>
  * Exposed ports: 5432
  */
@@ -25,6 +25,8 @@ public class PostgreSQLContainer<SELF extends PostgreSQLContainer<SELF>> extends
 
     private static final DockerImageName DEFAULT_IMAGE_NAME = DockerImageName.parse("postgres");
 
+    private static final DockerImageName PGVECTOR_IMAGE_NAME = DockerImageName.parse("pgvector/pgvector");
+
     public static final Integer POSTGRESQL_PORT = 5432;
 
     static final String DEFAULT_USER = "test";
@@ -53,7 +55,7 @@ public PostgreSQLContainer(final String dockerImageName) {
 
     public PostgreSQLContainer(final DockerImageName dockerImageName) {
         super(dockerImageName);
-        dockerImageName.assertCompatibleWith(DEFAULT_IMAGE_NAME);
+        dockerImageName.assertCompatibleWith(DEFAULT_IMAGE_NAME, PGVECTOR_IMAGE_NAME);
 
         this.waitStrategy =
             new LogMessageWaitStrategy()

modules/postgresql/src/test/java/org/testcontainers/containers/CompatibleImageTest.java

@@ -15,9 +15,7 @@ public class CompatibleImageTest extends AbstractContainerDatabaseTest {
     public void pgvector() throws SQLException {
         try (
             // pgvectorContainer {
-            PostgreSQLContainer<?> pgvector = new PostgreSQLContainer<>(
-                DockerImageName.parse("pgvector/pgvector:pg16").asCompatibleSubstituteFor("postgres")
-            )
+            PostgreSQLContainer<?> pgvector = new PostgreSQLContainer<>("pgvector/pgvector:pg16")
             // }
         ) {
             pgvector.start();