feat: add support for postgres17rc1

Author: Kumzy

src/pytest_databases/docker/docker-compose.postgres.yml

@@ -39,6 +39,14 @@ services:
       - "${POSTGRES16_PORT:-5427}:5432" # use a non-standard port here
     environment:
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-super-secret}
+  postgres17:
+    networks:
+      - default
+    image: postgres:17rc1
+    ports:
+      - "${POSTGRES17_PORT:-5428}:5432" # use a non-standard port here
+    environment:
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-super-secret}
 networks:
   default:
     driver: bridge

src/pytest_databases/docker/postgres.py

@@ -96,6 +96,10 @@ def postgres15_port() -> int:
 def postgres16_port() -> int:
     return 5427
 
+@pytest.fixture(scope="session")
+def postgres17_port() -> int:
+    return 5428
+
 
 @pytest.fixture(scope="session")
 def default_postgres_service_name() -> str:
@@ -252,6 +256,33 @@ def postgres16_service(
     yield postgres_docker_services
 
 
+@pytest.fixture(autouse=False, scope="session")
+def postgres17_service(
+    postgres_docker_services: DockerServiceRegistry,
+    postgres_docker_compose_files: list[Path],
+    postgres17_port: int,
+    postgres_database: str,
+    postgres_user: str,
+    postgres_password: str,
+) -> Generator[DockerServiceRegistry, None, None]:
+    os.environ["POSTGRES_PASSWORD"] = postgres_password
+    os.environ["POSTGRES_USER"] = postgres_user
+    os.environ["POSTGRES_DATABASE"] = postgres_database
+    os.environ["POSTGRES17_PORT"] = str(postgres17_port)
+    postgres_docker_services.start(
+        "postgres17",
+        docker_compose_files=postgres_docker_compose_files,
+        timeout=45,
+        pause=1,
+        check=postgres_responsive,
+        port=postgres17_port,
+        database=postgres_database,
+        user=postgres_user,
+        password=postgres_password,
+    )
+    yield postgres_docker_services
+
+
 # alias to the latest
 @pytest.fixture(autouse=False, scope="session")
 def postgres_service(