fix(cli): extend API healthcheck startup window

Keep one-second health probes active for slower graph imports so Compose does not stall for the steady-state interval.

Co-authored-by: open-swe[bot] <open-swe@users.noreply.github.com>

.github/scripts/run_langgraph_cli_test.py

@@ -32,8 +32,6 @@ def test(config: pathlib.Path, port: int, tag: str, verbose: bool):
             docker_compose=None,
             port=port,
             watch=False,
-            debugger_port=None,
-            debugger_base_url=f"http://127.0.0.1:{port}",
             postgres_uri=None,
             api_version=None,
             image=tag,

libs/cli/langgraph_cli/analytics.py

@@ -48,9 +48,6 @@ def get_anonymized_params(
     if kwargs.get("docker_compose"):
         params["docker_compose"] = True
 
-    if kwargs.get("debugger_port"):
-        params["debugger_port"] = True
-
     if kwargs.get("postgres_uri"):
         params["postgres_uri"] = True
 

libs/cli/langgraph_cli/cli.py

@@ -5,6 +5,7 @@ import pathlib
 import shutil
 import sys
 from collections.abc import Sequence
+from urllib.parse import SplitResult, urlencode, urlsplit, urlunsplit
 
 import click
 import click.exceptions
@@ -140,17 +141,6 @@ OPT_VERBOSE = click.option(
     help="Show more output from the server logs",
 )
 OPT_WATCH = click.option("--watch", is_flag=True, help="Restart on file changes")
-OPT_DEBUGGER_PORT = click.option(
-    "--debugger-port",
-    type=int,
-    help="Pull the debugger image locally and serve the UI on specified port",
-)
-OPT_DEBUGGER_BASE_URL = click.option(
-    "--debugger-base-url",
-    type=str,
-    help="URL used by the debugger to access LangGraph API. Defaults to http://127.0.0.1:[PORT]",
-)
-
 OPT_POSTGRES_URI = click.option(
     "--postgres-uri",
     help="Postgres URI to use for the database. Defaults to launching a local database",
@@ -242,18 +232,94 @@ cli.add_command(deploy)
 # ---------------------------------------------------------------------------
 
 
+def _validated_http_url(value: str, option_name: str) -> SplitResult:
+    try:
+        parsed = urlsplit(value)
+        hostname = parsed.hostname
+        _ = parsed.port
+    except ValueError as exc:
+        raise click.UsageError(
+            f"{option_name} must be a valid HTTP(S) URL without credentials."
+        ) from exc
+
+    if (
+        value != value.strip()
+        or parsed.scheme not in {"http", "https"}
+        or not parsed.netloc
+        or not hostname
+        or parsed.username is not None
+        or parsed.password is not None
+    ):
+        raise click.UsageError(
+            f"{option_name} must be a valid HTTP(S) URL without credentials."
+        )
+    return parsed
+
+
+def _studio_link(
+    *,
+    port: int,
+    studio_url: str | None,
+    api_url: str | None,
+    debugger_base_url: str | None,
+) -> str:
+    if debugger_base_url is not None:
+        if api_url is not None and api_url != debugger_base_url:
+            raise click.UsageError(
+                "--api-url and --debugger-base-url cannot specify different URLs."
+            )
+        click.echo(
+            "Warning: --debugger-base-url is deprecated; use --api-url instead.",
+            err=True,
+        )
+        api_url = debugger_base_url
+
+    studio_url = "https://smith.langchain.com" if studio_url is None else studio_url
+    api_url = f"http://127.0.0.1:{port}" if api_url is None else api_url
+    studio_parts = _validated_http_url(studio_url, "--studio-url")
+    _validated_http_url(api_url, "--api-url")
+    if studio_parts.query or studio_parts.fragment:
+        raise click.UsageError(
+            "--studio-url must not include a query string or fragment."
+        )
+
+    studio_path = f"{studio_parts.path.rstrip('/')}/studio/"
+    return urlunsplit(
+        studio_parts._replace(
+            path=studio_path,
+            query=urlencode({"baseUrl": api_url}),
+        )
+    )
+
+
 @OPT_RECREATE
 @OPT_PULL
 @OPT_PORT
 @OPT_DOCKER_COMPOSE
 @OPT_CONFIG
 @OPT_VERBOSE
-@OPT_DEBUGGER_PORT
-@OPT_DEBUGGER_BASE_URL
 @OPT_WATCH
 @OPT_POSTGRES_URI
 @OPT_API_VERSION
 @OPT_ENGINE_RUNTIME_MODE
+@click.option(
+    "--studio-url",
+    type=str,
+    default=None,
+    help="URL of the LangGraph Studio instance. Defaults to https://smith.langchain.com",
+)
+@click.option(
+    "--api-url",
+    type=str,
+    default=None,
+    help="URL that LangGraph Studio uses to access the API. Defaults to http://127.0.0.1:[PORT]",
+)
+@click.option(
+    "--debugger-base-url",
+    type=str,
+    default=None,
+    hidden=True,
+)
 @click.option(
     "--image",
     type=str,
@@ -284,14 +350,21 @@ def up(
     watch: bool,
     wait: bool,
     verbose: bool,
-    debugger_port: int | None,
-    debugger_base_url: str | None,
     postgres_uri: str | None,
     api_version: str | None,
     engine_runtime_mode: str,
+    studio_url: str | None,
+    api_url: str | None,
+    debugger_base_url: str | None,
     image: str | None,
     base_image: str | None,
 ):
+    studio_link = _studio_link(
+        port=port,
+        studio_url=studio_url,
+        api_url=api_url,
+        debugger_base_url=debugger_base_url,
+    )
     click.secho("Starting LangGraph API server...", fg="green")
     click.secho(
         """For local dev, requires env var LANGSMITH_API_KEY with access to LangSmith Deployment.
@@ -308,8 +381,6 @@ For production use, requires a license key in env var LANGGRAPH_CLOUD_LICENSE_KE
             pull=pull,
             watch=watch,
             verbose=verbose,
-            debugger_port=debugger_port,
-            debugger_base_url=debugger_base_url,
             postgres_uri=postgres_uri,
             api_version=api_version,
             engine_runtime_mode=engine_runtime_mode,
@@ -337,20 +408,12 @@ For production use, requires a license key in env var LANGGRAPH_CLOUD_LICENSE_KE
             if "unpacking to docker.io" in line:
                 set("Starting...")
             elif "Application startup complete" in line:
-                debugger_origin = (
-                    f"http://localhost:{debugger_port}"
-                    if debugger_port
-                    else "https://smith.langchain.com"
-                )
-                debugger_base_url_query = (
-                    debugger_base_url or f"http://127.0.0.1:{port}"
-                )
                 set("")
                 sys.stdout.write(
                     f"""Ready!
 - API: http://localhost:{port}
 - Docs: http://localhost:{port}/docs
-- LangGraph Studio: {debugger_origin}/studio/?baseUrl={debugger_base_url_query}
+- LangGraph Studio: {studio_link}
 """
                 )
                 sys.stdout.flush()
@@ -935,8 +998,6 @@ def prepare_args_and_stdin(
     docker_compose: pathlib.Path | None,
     port: int,
     watch: bool,
-    debugger_port: int | None = None,
-    debugger_base_url: str | None = None,
     postgres_uri: str | None = None,
     api_version: str | None = None,
     engine_runtime_mode: str = "combined_queue_worker",
@@ -950,8 +1011,6 @@ def prepare_args_and_stdin(
     stdin = langgraph_cli.docker.compose(
         capabilities,
         port=port,
-        debugger_port=debugger_port,
-        debugger_base_url=debugger_base_url,
         postgres_uri=postgres_uri,
         image=image,
         base_image=base_image,
@@ -989,8 +1048,6 @@ def prepare(
     pull: bool,
     watch: bool,
     verbose: bool,
-    debugger_port: int | None = None,
-    debugger_base_url: str | None = None,
     postgres_uri: str | None = None,
     api_version: str | None = None,
     engine_runtime_mode: str = "combined_queue_worker",
@@ -1032,8 +1089,6 @@ def prepare(
         docker_compose=docker_compose,
         port=port,
         watch=watch,
-        debugger_port=debugger_port,
-        debugger_base_url=debugger_base_url or f"http://127.0.0.1:{port}",
         postgres_uri=postgres_uri,
         api_version=api_version,
         engine_runtime_mode=engine_runtime_mode,

libs/cli/langgraph_cli/docker.py

@@ -142,29 +142,6 @@ def check_capabilities(runner) -> DockerCapabilities:
     )
 
 
-def debugger_compose(*, port: int | None = None, base_url: str | None = None) -> dict:
-    if port is None:
-        return ""
-
-    config = {
-        "langgraph-debugger": {
-            "image": "langchain/langgraph-debugger",
-            "restart": "on-failure",
-            "depends_on": {
-                "langgraph-postgres": {"condition": "service_healthy"},
-            },
-            "ports": [f'"{port}:3968"'],
-        }
-    }
-
-    if base_url:
-        config["langgraph-debugger"]["environment"] = {
-            "VITE_STUDIO_LOCAL_GRAPH_URL": base_url
-        }
-
-    return config
-
-
 # Function to convert dictionary to YAML
 def dict_to_yaml(d: dict, *, indent: int = 0) -> str:
     """Convert a dictionary to a YAML string."""
@@ -191,8 +168,6 @@ def compose_as_dict(
     capabilities: DockerCapabilities,
     *,
     port: int,
-    debugger_port: int | None = None,
-    debugger_base_url: str | None = None,
     # postgres://user:password@host:port/database?option=value
     postgres_uri: str | None = None,
     # If you are running against an already-built image, you can pass it here
@@ -253,12 +228,6 @@ def compose_as_dict(
         else:
             services["langgraph-postgres"]["healthcheck"]["interval"] = "5s"
 
-    # Add optional debugger service if debugger_port is specified
-    if debugger_port:
-        services["langgraph-debugger"] = debugger_compose(
-            port=debugger_port, base_url=debugger_base_url
-        )["langgraph-debugger"]
-
     # Add langgraph-api service
     api_environment = {
         "REDIS_URI": "redis://langgraph-redis:6379",
@@ -289,7 +258,7 @@ def compose_as_dict(
             "test": "python /api/healthcheck.py",
             "interval": "60s",
             "start_interval": "1s",
-            "start_period": "10s",
+            "start_period": "60s",
         }
 
     # Final compose dictionary with volumes included if needed
@@ -305,8 +274,6 @@ def compose(
     capabilities: DockerCapabilities,
     *,
     port: int,
-    debugger_port: int | None = None,
-    debugger_base_url: str | None = None,
     # postgres://user:password@host:port/database?option=value
     postgres_uri: str | None = None,
     image: str | None = None,
@@ -318,8 +285,6 @@ def compose(
     compose_content = compose_as_dict(
         capabilities,
         port=port,
-        debugger_port=debugger_port,
-        debugger_base_url=debugger_base_url,
         postgres_uri=postgres_uri,
         image=image,
         base_image=base_image,

libs/cli/tests/unit_tests/cli/test_cli.py

@@ -8,10 +8,11 @@ from contextlib import contextmanager
 from pathlib import Path
 
 import click
+import pytest
 from click.testing import CliRunner
 
 import langgraph_cli.deploy as deploy_module
-from langgraph_cli.cli import cli, prepare_args_and_stdin
+from langgraph_cli.cli import _studio_link, cli, prepare_args_and_stdin
 from langgraph_cli.config import Config, _get_pip_cleanup_lines, validate_config
 from langgraph_cli.docker import DEFAULT_POSTGRES_URI, DockerCapabilities, Version
 from langgraph_cli.util import clean_empty_lines
@@ -56,8 +57,6 @@ def test_prepare_args_and_stdin() -> None:
         Config(dependencies=[".", "../../.."], graphs={"agent": "agent.py:graph"})
     )
     port = 8000
-    debugger_port = 8001
-    debugger_graph_url = f"http://127.0.0.1:{port}"
 
     actual_args, actual_stdin = prepare_args_and_stdin(
         capabilities=DEFAULT_DOCKER_CAPABILITIES,
@@ -65,8 +64,6 @@ def test_prepare_args_and_stdin() -> None:
         config=config,
         docker_compose=pathlib.Path("custom-docker-compose.yml"),
         port=port,
-        debugger_port=debugger_port,
-        debugger_base_url=debugger_graph_url,
         watch=True,
     )
 
@@ -110,16 +107,6 @@ services:
             retries: 5
             interval: 60s
             start_interval: 1s
-    langgraph-debugger:
-        image: langchain/langgraph-debugger
-        restart: on-failure
-        depends_on:
-            langgraph-postgres:
-                condition: service_healthy
-        ports:
-            - "{debugger_port}:3968"
-        environment:
-            VITE_STUDIO_LOCAL_GRAPH_URL: {debugger_graph_url}
     langgraph-api:
         ports:
             - "8000:8000"
@@ -135,7 +122,7 @@ services:
             test: python /api/healthcheck.py
             interval: 60s
             start_interval: 1s
-            start_period: 10s
+            start_period: 60s
         
         pull_policy: build
         build:
@@ -178,8 +165,6 @@ def test_prepare_args_and_stdin_with_image() -> None:
         Config(dependencies=[".", "../../.."], graphs={"agent": "agent.py:graph"})
     )
     port = 8000
-    debugger_port = 8001
-    debugger_graph_url = f"http://127.0.0.1:{port}"
 
     actual_args, actual_stdin = prepare_args_and_stdin(
         capabilities=DEFAULT_DOCKER_CAPABILITIES,
@@ -187,8 +172,6 @@ def test_prepare_args_and_stdin_with_image() -> None:
         config=config,
         docker_compose=pathlib.Path("custom-docker-compose.yml"),
         port=port,
-        debugger_port=debugger_port,
-        debugger_base_url=debugger_graph_url,
         watch=True,
         image="my-cool-image",
     )
@@ -233,16 +216,6 @@ services:
             retries: 5
             interval: 60s
             start_interval: 1s
-    langgraph-debugger:
-        image: langchain/langgraph-debugger
-        restart: on-failure
-        depends_on:
-            langgraph-postgres:
-                condition: service_healthy
-        ports:
-            - "{debugger_port}:3968"
-        environment:
-            VITE_STUDIO_LOCAL_GRAPH_URL: {debugger_graph_url}
     langgraph-api:
         ports:
             - "8000:8000"
@@ -259,7 +232,7 @@ services:
             test: python /api/healthcheck.py
             interval: 60s
             start_interval: 1s
-            start_period: 10s
+            start_period: 60s
         
         
         develop:
@@ -289,6 +262,82 @@ def test_version_option() -> None:
     )
 
 
+def test_up_help_shows_hosted_studio_options() -> None:
+    result = CliRunner().invoke(cli, ["up", "--help"])
+
+    assert result.exit_code == 0, result.output
+    assert "--studio-url" in result.output
+    assert "--api-url" in result.output
+    assert "--debugger-port" not in result.output
+    assert "--debugger-base-url" not in result.output
+
+
+def test_studio_link_defaults_to_hosted_studio() -> None:
+    assert _studio_link(
+        port=8123,
+        studio_url=None,
+        api_url=None,
+        debugger_base_url=None,
+    ) == ("https://smith.langchain.com/studio/?baseUrl=http%3A%2F%2F127.0.0.1%3A8123")
+
+
+def test_studio_link_supports_self_hosted_and_remote_urls() -> None:
+    assert _studio_link(
+        port=8123,
+        studio_url="https://langsmith.example.com/prefix/",
+        api_url="https://api.example.com/graph?tenant=a&region=eu",
+        debugger_base_url=None,
+    ) == (
+        "https://langsmith.example.com/prefix/studio/"
+        "?baseUrl=https%3A%2F%2Fapi.example.com%2Fgraph%3Ftenant%3Da%26region%3Deu"
+    )
+
+
+def test_studio_link_supports_deprecated_debugger_base_url(capsys) -> None:
+    assert _studio_link(
+        port=8123,
+        studio_url=None,
+        api_url=None,
+        debugger_base_url="https://api.example.com",
+    ).endswith("?baseUrl=https%3A%2F%2Fapi.example.com")
+    assert "--debugger-base-url is deprecated; use --api-url" in capsys.readouterr().err
+
+
+@pytest.mark.parametrize(
+    ("studio_url", "api_url"),
+    [
+        ("javascript:alert(1)", None),
+        ("https://user:password@example.com", None),
+        ("https://smith.langchain.com?workspace=test", None),
+        (None, "file:///tmp/langgraph.sock"),
+        (None, "https://user:password@example.com"),
+    ],
+)
+def test_studio_link_rejects_unsafe_urls(
+    studio_url: str | None, api_url: str | None
+) -> None:
+    with pytest.raises(click.UsageError):
+        _studio_link(
+            port=8123,
+            studio_url=studio_url,
+            api_url=api_url,
+            debugger_base_url=None,
+        )
+
+
+def test_studio_link_rejects_conflicting_api_url_aliases() -> None:
+    with pytest.raises(
+        click.UsageError,
+        match="cannot specify different URLs",
+    ):
+        _studio_link(
+            port=8123,
+            studio_url=None,
+            api_url="https://api.example.com",
+            debugger_base_url="https://other.example.com",
+        )
+
+
 def test_top_level_help_shows_deploy_subcommands() -> None:
     runner = CliRunner()
 

libs/cli/tests/unit_tests/test_docker.py

@@ -16,7 +16,7 @@ DEFAULT_DOCKER_CAPABILITIES = DockerCapabilities(
 )
 
 
-def test_compose_with_no_debugger_and_custom_db():
+def test_compose_with_custom_db():
     port = 8123
     custom_postgres_uri = "custom_postgres_uri"
     actual_compose_str = compose(
@@ -42,7 +42,7 @@ def test_compose_with_no_debugger_and_custom_db():
     assert clean_empty_lines(actual_compose_str) == expected_compose_str
 
 
-def test_compose_with_no_debugger_and_custom_db_with_healthcheck():
+def test_compose_with_custom_db_and_healthcheck():
     port = 8123
     custom_postgres_uri = "custom_postgres_uri"
     actual_compose_str = compose(
@@ -71,39 +71,11 @@ def test_compose_with_no_debugger_and_custom_db_with_healthcheck():
             test: python /api/healthcheck.py
             interval: 60s
             start_interval: 1s
-            start_period: 10s"""
+            start_period: 60s"""
     assert clean_empty_lines(actual_compose_str) == expected_compose_str
 
 
-def test_compose_with_debugger_and_custom_db():
+def test_compose_with_default_db():
-    port = 8123
-    custom_postgres_uri = "custom_postgres_uri"
-    actual_compose_str = compose(
-        DEFAULT_DOCKER_CAPABILITIES,
-        port=port,
-        postgres_uri=custom_postgres_uri,
-    )
-    expected_compose_str = f"""services:
-    langgraph-redis:
-        image: redis:6
-        healthcheck:
-            test: redis-cli ping
-            interval: 5s
-            timeout: 1s
-            retries: 5
-    langgraph-api:
-        ports:
-            - "{port}:8000"
-        depends_on:
-            langgraph-redis:
-                condition: service_healthy
-        environment:
-            REDIS_URI: redis://langgraph-redis:6379
-            POSTGRES_URI: {custom_postgres_uri}"""
-    assert clean_empty_lines(actual_compose_str) == expected_compose_str
-
-
-def test_compose_with_debugger_and_default_db():
     port = 8123
     actual_compose_str = compose(DEFAULT_DOCKER_CAPABILITIES, port=port)
     expected_compose_str = f"""volumes:
@@ -302,72 +274,6 @@ def test_compose_with_api_version_and_custom_postgres():
     assert clean_empty_lines(actual_compose_str) == expected_compose_str
 
 
-def test_compose_with_api_version_and_debugger():
-    """Test compose function with api_version and debugger port."""
-    port = 8123
-    debugger_port = 8001
-    api_version = "0.2.74"
-
-    actual_compose_str = compose(
-        DEFAULT_DOCKER_CAPABILITIES,
-        port=port,
-        api_version=api_version,
-        debugger_port=debugger_port,
-    )
-
-    expected_compose_str = f"""volumes:
-    langgraph-data:
-        driver: local
-services:
-    langgraph-redis:
-        image: redis:6
-        healthcheck:
-            test: redis-cli ping
-            interval: 5s
-            timeout: 1s
-            retries: 5
-    langgraph-postgres:
-        image: pgvector/pgvector:pg16
-        ports:
-            - "5433:5432"
-        environment:
-            POSTGRES_DB: postgres
-            POSTGRES_USER: postgres
-            POSTGRES_PASSWORD: postgres
-        command:
-            - postgres
-            - -c
-            - shared_preload_libraries=vector
-        volumes:
-            - langgraph-data:/var/lib/postgresql/data
-        healthcheck:
-            test: pg_isready -U postgres
-            start_period: 10s
-            timeout: 1s
-            retries: 5
-            interval: 5s
-    langgraph-debugger:
-        image: langchain/langgraph-debugger
-        restart: on-failure
-        depends_on:
-            langgraph-postgres:
-                condition: service_healthy
-        ports:
-            - "{debugger_port}:3968"
-    langgraph-api:
-        ports:
-            - "{port}:8000"
-        depends_on:
-            langgraph-redis:
-                condition: service_healthy
-            langgraph-postgres:
-                condition: service_healthy
-        environment:
-            REDIS_URI: redis://langgraph-redis:6379
-            POSTGRES_URI: {DEFAULT_POSTGRES_URI}"""
-    assert clean_empty_lines(actual_compose_str) == expected_compose_str
-
-
 def test_compose_distributed_mode_with_custom_db():
     """Test compose with engine_runtime_mode='distributed' adds N_JOBS_PER_WORKER=0."""
     port = 8123