Enhancement: Update Dockerfile and devcontainer.json to streamline installation of essential packages and Claude Code

Signed-off-by: Ihor Dvoretskyi <[email protected]>

Author: idvoretskyi

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 FROM mcr.microsoft.com/devcontainers/base:ubuntu-24.04
 
-# Install essential packages, Claude Code, and set up directories
+# Install essential packages and set up directories
 # hadolint ignore=DL3008
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends \
@@ -9,12 +9,9 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
         jq \
         build-essential \
         openssh-server \
-        nodejs \
-        npm \
         tcl \
     && apt-get clean -y \
     && rm -rf /var/lib/apt/lists/* \
-    && npm install -g @anthropic-ai/claude-code@latest \
     && mkdir -p /run/sshd \
     && mkdir -p /home/vscode/.ssh \
     && chown -R vscode:vscode /home/vscode/.ssh \

.devcontainer/devcontainer.json

@@ -15,6 +15,11 @@
             "version": "latest",
             "ppa": false
         },
+        "ghcr.io/devcontainers/features/node:1": {
+            "version": "lts",
+            "nodeGypDependencies": false,
+            "installYarnUsingApt": false
+        },
         "ghcr.io/devcontainers/features/docker-in-docker:2": {
             "version": "latest",
             "moby": true,
@@ -52,7 +57,7 @@
         }
     },
     "forwardPorts": [22],
-    "postCreateCommand": "echo '🚀 Development environment ready! Docker, Kubernetes (Minikube), and SSH are configured.' && sudo service ssh start",
+    "postCreateCommand": "npm install -g @anthropic-ai/claude-code@latest && echo '🚀 Development environment ready! Docker, Kubernetes (Minikube), Claude Code, and SSH are configured.' && sudo service ssh start",
     "postStartCommand": "sudo service ssh restart",
     "remoteUser": "vscode"
 }