Use UV, Deno for faster setup of development container

Author: debanjum

.devcontainer/Dockerfile

@@ -1,19 +1,19 @@
-ARG PYTHON_VERSION=3.10
+ARG PYTHON_VERSION=3.12
 FROM mcr.microsoft.com/devcontainers/python:${PYTHON_VERSION}
 
-# Install Node.js and Yarn
-RUN curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - && \
-    apt-get install -y nodejs
+# Install UV and Deno
+RUN curl -fsSL https://deno.land/install.sh | sh
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+RUN uv python pin $PYTHON_VERSION
+# create python virtual environment
+RUN uv venv /opt/venv --python $PYTHON_VERSION --seed
+# Add venv, deno to PATH for subsequent RUN commands and for the container environment
+ENV PATH="/opt/venv/bin:/root/.deno/bin:$PATH"
 
 # Setup working directory
 WORKDIR /workspace
 
 # --- Python Server App Dependencies ---
-# Create Python virtual environment
-RUN python3 -m venv /opt/venv
-# Add venv to PATH for subsequent RUN commands and for the container environment
-ENV PATH="/opt/venv/bin:${PATH}"
-
 # Copy files required for Python dependency installation.
 COPY pyproject.toml README.md ./
 
@@ -26,15 +26,15 @@ ENV PIP_EXTRA_INDEX_URL="https://download.pytorch.org/whl/cpu https://abetlen.gi
     VERSION=0.0.0
 # Install Python dependencies from pyproject.toml in editable mode
 RUN sed -i "s/dynamic = \\[\"version\"\\]/version = \"$VERSION\"/" pyproject.toml && \
-    pip install --no-cache-dir ".[dev]"
+    uv sync --all-extras && \
+    chown -R vscode:vscode /opt/venv
 
 # --- Web App Dependencies ---
 # Copy web app manifest files
-COPY src/interface/web/package.json src/interface/web/yarn.lock /tmp/web/
+COPY src/interface/web/package.json src/interface/web/deno.json src/interface/web/deno.lock /tmp/web/
 
 # Install web app dependencies
-# note: yarn will be available from the "features" in devcontainer.json
-RUN yarn install --cwd /tmp/web --cache-folder /opt/yarn-cache
+RUN cd /tmp/web && deno install
 
 # The .venv and node_modules are now populated in the image.
 # The rest of the source code will be mounted by VS Code from your local checkout,

.devcontainer/devcontainer.json

@@ -4,7 +4,7 @@
         "dockerfile": "Dockerfile",
         "context": "..", // Build context is the project root
         "args": {
-            "PYTHON_VERSION": "3.10"
+            "PYTHON_VERSION": "3.12"
         }
     },
     "forwardPorts": [
@@ -53,11 +53,6 @@
     "postCreateCommand": "scripts/dev_setup.sh --devcontainer",
     "features": {
         "ghcr.io/devcontainers/features/github-cli:1": {},
-        "ghcr.io/devcontainers/features/node:1": {
-            "version": "lts",
-            "installYarnUsingApt": false,
-            "nodeGypDependencies": true
-        }
     },
     "remoteUser": "vscode"
 }