From dcfd9c0e04595bf0d19b5b45b1941d6404038901 Mon Sep 17 00:00:00 2001
From: Mason Daugherty <mason@langchain.dev>
Date: Mon, 29 Dec 2025 18:10:40 -0600
Subject: [PATCH] fix(infra): use `langchain_v1` for dev container deps
 (#34534)

---
 .devcontainer/devcontainer.json | 4 ++--
 libs/langchain/dev.Dockerfile   | 4 +++-
 libs/langchain_v1/uv.lock       | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index e23c37e26fe..e4557d6c892 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -26,7 +26,7 @@
   // Use 'forwardPorts' to make a list of ports inside the container available locally.
   // "forwardPorts": [],
   // Run commands after the container is created
-  "postCreateCommand": "uv sync && echo 'LangChain (Python) dev environment ready!'",
+  "postCreateCommand": "cd libs/langchain_v1 && uv sync && echo 'LangChain (Python) dev environment ready!'",
   // Configure tool-specific properties.
   "customizations": {
     "vscode": {
@@ -42,7 +42,7 @@
         "GitHub.copilot-chat"
       ],
       "settings": {
-        "python.defaultInterpreterPath": ".venv/bin/python",
+        "python.defaultInterpreterPath": "libs/langchain_v1/.venv/bin/python",
         "python.formatting.provider": "none",
         "[python]": {
           "editor.formatOnSave": true,
diff --git a/libs/langchain/dev.Dockerfile b/libs/langchain/dev.Dockerfile
index ec0c297cdc3..941f16c9920 100644
--- a/libs/langchain/dev.Dockerfile
+++ b/libs/langchain/dev.Dockerfile
@@ -28,7 +28,9 @@ COPY . .
 RUN mkdir -p $UV_CACHE_DIR && chmod 755 $UV_CACHE_DIR
 
 # Install dependencies using uv (let uv handle the venv creation)
+WORKDIR /workspaces/langchain/libs/langchain_v1
 RUN uv sync --dev
+WORKDIR /workspaces/langchain
 
 # Create a non-root user and set up proper permissions
 RUN useradd -m -s /bin/bash -u 1000 vscode && \
@@ -38,4 +40,4 @@ USER vscode
 
 # Set shell for interactive use
 SHELL ["/bin/bash", "-c"]
-CMD ["/bin/bash"]
\ No newline at end of file
+CMD ["/bin/bash"]
diff --git a/libs/langchain_v1/uv.lock b/libs/langchain_v1/uv.lock
index 6fe4c0b1b40..c8765dca4c8 100644
--- a/libs/langchain_v1/uv.lock
+++ b/libs/langchain_v1/uv.lock
@@ -2424,7 +2424,7 @@ test-integration = [
     { name = "nltk", specifier = ">=3.9.1,<4.0.0" },
     { name = "scipy", marker = "python_full_version == '3.12.*'", specifier = ">=1.7.0,<2.0.0" },
     { name = "scipy", marker = "python_full_version >= '3.13'", specifier = ">=1.14.1,<2.0.0" },
-    { name = "sentence-transformers", marker = "python_full_version < '3.14'", specifier = ">=3.0.1,<4.0.0" },
+    { name = "sentence-transformers", specifier = ">=3.0.1,<4.0.0" },
     { name = "spacy", marker = "python_full_version < '3.14'", specifier = ">=3.8.7,<4.0.0" },
     { name = "thinc", specifier = ">=8.3.6,<9.0.0" },
     { name = "tiktoken", specifier = ">=0.8.0,<1.0.0" },