fix: do not connect to docker on startup

Author: alexanderankin

core/testcontainers/core/config.py

@@ -49,7 +49,7 @@ def get_docker_socket() -> str:
 RYUK_IMAGE: str = environ.get("RYUK_CONTAINER_IMAGE", "testcontainers/ryuk:0.8.1")
 RYUK_PRIVILEGED: bool = environ.get("TESTCONTAINERS_RYUK_PRIVILEGED", "false") == "true"
 RYUK_DISABLED: bool = environ.get("TESTCONTAINERS_RYUK_DISABLED", "false") == "true"
-RYUK_DOCKER_SOCKET: str = get_docker_socket()
+RYUK_DOCKER_SOCKET: str = ""  # get_docker_socket()
 RYUK_RECONNECTION_TIMEOUT: str = environ.get("RYUK_RECONNECTION_TIMEOUT", "10s")
 TC_HOST_OVERRIDE: Optional[str] = environ.get("TC_HOST", environ.get("TESTCONTAINERS_HOST_OVERRIDE"))
 
@@ -99,7 +99,7 @@ class TestcontainersConfiguration:
     ryuk_image: str = RYUK_IMAGE
     ryuk_privileged: bool = RYUK_PRIVILEGED
     ryuk_disabled: bool = RYUK_DISABLED
-    ryuk_docker_socket: str = RYUK_DOCKER_SOCKET
+    # ryuk_docker_socket: str = RYUK_DOCKER_SOCKET
     ryuk_reconnection_timeout: str = RYUK_RECONNECTION_TIMEOUT
     tc_properties: dict[str, str] = field(default_factory=read_tc_properties)
     _docker_auth_config: Optional[str] = field(default_factory=lambda: environ.get("DOCKER_AUTH_CONFIG"))
@@ -131,6 +131,10 @@ def tc_properties_get_tc_host(self) -> Union[str, None]:
     def timeout(self) -> int:
         return self.max_tries * self.sleep_time
 
+    @property
+    def ryuk_docker_socket(self) -> str:
+        return get_docker_socket()
+
 
 testcontainers_config = TestcontainersConfiguration()