diff --git a/libs/cli/langgraph_cli/config.py b/libs/cli/langgraph_cli/config.py
index f11850016..826ec3b89 100644
--- a/libs/cli/langgraph_cli/config.py
+++ b/libs/cli/langgraph_cli/config.py
@@ -326,6 +326,10 @@ class Config(TypedDict, total=False):
     Must be >= 20 if provided.
     """
 
+    _INTERNAL_docker_tag: Optional[str]
+    """Optional. Internal use only.
+    """
+
     pip_config_file: Optional[str]
     """Optional. Path to a pip config file (e.g., "/etc/pip.conf" or "pip.ini") for controlling
     package installation (custom indices, credentials, etc.).
@@ -480,6 +484,7 @@ def validate_config(config: Config) -> Config:
         "node_version": node_version,
         "python_version": python_version,
         "pip_config_file": config.get("pip_config_file"),
+        "_INTERNAL_docker_tag": config.get("_INTERNAL_docker_tag"),
         "dependencies": config.get("dependencies", []),
         "dockerfile_lines": config.get("dockerfile_lines", []),
         "graphs": config.get("graphs", {}),
@@ -1025,7 +1030,9 @@ def _get_node_pm_install_cmd(config_path: pathlib.Path, config: Config) -> str:
 
 
 def python_config_to_docker(
-    config_path: pathlib.Path, config: Config, base_image: str
+    config_path: pathlib.Path,
+    config: Config,
+    base_image: str,
 ) -> tuple[str, dict[str, str]]:
     """Generate a Dockerfile from the configuration."""
     # configure pip
@@ -1040,6 +1047,8 @@ def python_config_to_docker(
         else ""
     )
 
+    docker_tag = config.get("_INTERNAL_docker_tag") or config["python_version"]
+
     # collect dependencies
     pypi_deps = [dep for dep in config["dependencies"] if not dep.startswith(".")]
     local_deps = _assemble_local_deps(config_path, config)
@@ -1160,7 +1169,7 @@ ADD {relpath} /deps/{name}
         )
 
     docker_file_contents = [
-        f"FROM {base_image}:{config['python_version']}",
+        f"FROM {base_image}:{docker_tag}",
         "",
         os.linesep.join(config["dockerfile_lines"]),
         "",
@@ -1192,10 +1201,13 @@ ADD {relpath} /deps/{name}
 
 
 def node_config_to_docker(
-    config_path: pathlib.Path, config: Config, base_image: str
+    config_path: pathlib.Path,
+    config: Config,
+    base_image: str,
 ) -> tuple[str, dict[str, str]]:
     faux_path = f"/deps/{config_path.parent.name}"
     install_cmd = _get_node_pm_install_cmd(config_path, config)
+    docker_tag = config.get("_INTERNAL_docker_tag") or config["node_version"]
 
     env_vars: list[str] = []
 
@@ -1222,7 +1234,7 @@ def node_config_to_docker(
     env_vars.append(f"ENV LANGSERVE_GRAPHS='{json.dumps(config['graphs'])}'")
 
     docker_file_contents = [
-        f"FROM {base_image}:{config['node_version']}",
+        f"FROM {base_image}:{docker_tag}",
         "",
         os.linesep.join(config["dockerfile_lines"]),
         "",
@@ -1246,8 +1258,13 @@ def default_base_image(config: Config) -> str:
     return "langchain/langgraph-api"
 
 
-def docker_tag(config: Config, base_image: Optional[str] = None) -> str:
+def docker_tag(
+    config: Config,
+    base_image: Optional[str] = None,
+) -> str:
     base_image = base_image or default_base_image(config)
+    if config.get("_INTERNAL_docker_tag"):
+        return f"{base_image}:{config['_INTERNAL_docker_tag']}"
 
     if config.get("node_version") and not config.get("python_version"):
         return f"{base_image}:{config['node_version']}"
@@ -1255,7 +1272,9 @@ def docker_tag(config: Config, base_image: Optional[str] = None) -> str:
 
 
 def config_to_docker(
-    config_path: pathlib.Path, config: Config, base_image: Optional[str] = None
+    config_path: pathlib.Path,
+    config: Config,
+    base_image: Optional[str] = None,
 ) -> tuple[str, dict[str, str]]:
     base_image = base_image or default_base_image(config)
 
diff --git a/libs/cli/pyproject.toml b/libs/cli/pyproject.toml
index a69df77ed..ccb8822fd 100644
--- a/libs/cli/pyproject.toml
+++ b/libs/cli/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-cli"
-version = "0.2.4"
+version = "0.2.5"
 description = "CLI for interacting with LangGraph API"
 authors = []
 license = "MIT"
diff --git a/libs/cli/schemas/schema.json b/libs/cli/schemas/schema.json
index 015f0e209..845e5e0ab 100644
--- a/libs/cli/schemas/schema.json
+++ b/libs/cli/schemas/schema.json
@@ -29,6 +29,17 @@
               ],
               "description": "Optional. Path to a pip config file (e.g., \"/etc/pip.conf\" or \"pip.ini\") for controlling\npackage installation (custom indices, credentials, etc.).\n\nOnly relevant if Python dependencies are installed via pip. If omitted, default pip settings are used.\n"
             },
+            "_INTERNAL_docker_tag": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional. Internal use only.\n"
+            },
             "auth": {
               "anyOf": [
                 {
@@ -145,6 +156,17 @@
               ],
               "description": "Optional. Node.js version as a major version (e.g. '20'), if your deployment needs Node.\nMust be >= 20 if provided.\n"
             },
+            "_INTERNAL_docker_tag": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional. Internal use only.\n"
+            },
             "auth": {
               "anyOf": [
                 {
diff --git a/libs/cli/schemas/schema.v0.json b/libs/cli/schemas/schema.v0.json
index 015f0e209..845e5e0ab 100644
--- a/libs/cli/schemas/schema.v0.json
+++ b/libs/cli/schemas/schema.v0.json
@@ -29,6 +29,17 @@
               ],
               "description": "Optional. Path to a pip config file (e.g., \"/etc/pip.conf\" or \"pip.ini\") for controlling\npackage installation (custom indices, credentials, etc.).\n\nOnly relevant if Python dependencies are installed via pip. If omitted, default pip settings are used.\n"
             },
+            "_INTERNAL_docker_tag": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional. Internal use only.\n"
+            },
             "auth": {
               "anyOf": [
                 {
@@ -145,6 +156,17 @@
               ],
               "description": "Optional. Node.js version as a major version (e.g. '20'), if your deployment needs Node.\nMust be >= 20 if provided.\n"
             },
+            "_INTERNAL_docker_tag": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional. Internal use only.\n"
+            },
             "auth": {
               "anyOf": [
                 {
diff --git a/libs/cli/tests/unit_tests/test_config.py b/libs/cli/tests/unit_tests/test_config.py
index 0249510ab..cb25eee30 100644
--- a/libs/cli/tests/unit_tests/test_config.py
+++ b/libs/cli/tests/unit_tests/test_config.py
@@ -29,6 +29,7 @@ def test_validate_config():
     }
     actual_config = validate_config(expected_config)
     expected_config = {
+        "_INTERNAL_docker_tag": None,
         "python_version": "3.11",
         "node_version": None,
         "pip_config_file": None,
@@ -47,6 +48,7 @@ def test_validate_config():
     # full config
     env = ".env"
     expected_config = {
+        "_INTERNAL_docker_tag": None,
         "python_version": "3.12",
         "node_version": None,
         "pip_config_file": "pipconfig.txt",
@@ -567,6 +569,39 @@ RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not foun
     assert additional_contexts == {}
 
 
+def test_config_to_docker_nodejs_internal_docker_tag():
+    graphs = {"agent": "./graphs/agent.js:graph"}
+    actual_docker_stdin, additional_contexts = config_to_docker(
+        PATH_TO_CONFIG,
+        validate_config(
+            {
+                "node_version": "20",
+                "graphs": graphs,
+                "dockerfile_lines": ["ARG meow", "ARG foo"],
+                "auth": {"path": "./graphs/auth.mts:auth"},
+                "ui": {"agent": "./graphs/agent.ui.jsx"},
+                "ui_config": {"shared": ["nuqs"]},
+                "_INTERNAL_docker_tag": "my-tag",
+            }
+        ),
+        "langchain/langgraphjs-api",
+    )
+    expected_docker_stdin = """FROM langchain/langgraphjs-api:my-tag
+ARG meow
+ARG foo
+ADD . /deps/unit_tests
+RUN cd /deps/unit_tests && npm i
+ENV LANGGRAPH_AUTH='{"path": "./graphs/auth.mts:auth"}'
+ENV LANGGRAPH_UI='{"agent": "./graphs/agent.ui.jsx"}'
+ENV LANGGRAPH_UI_CONFIG='{"shared": ["nuqs"]}'
+ENV LANGSERVE_GRAPHS='{"agent": "./graphs/agent.js:graph"}'
+WORKDIR /deps/unit_tests
+RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not found, skipping") || tsx /api/langgraph_api/js/build.mts"""
+
+    assert clean_empty_lines(actual_docker_stdin) == expected_docker_stdin
+    assert additional_contexts == {}
+
+
 def test_config_to_docker_gen_ui_python():
     graphs = {"agent": "./agent.py:graph"}
     actual_docker_stdin, additional_contexts = config_to_docker(