Upgrade agent image to Ubuntu 24.04 with full dev tooling

- Base: Ubuntu 24.04 (more complete than Alpine)
- Python 3 with pip and venv
- Node.js 24.x LTS
- Bun runtime
- Build tools: gcc, make, build-essential
- kubectl for K8s operations
- Common CLI tools: jq, curl, wget, git
- Claude Code CLI

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

Dockerfile

@@ -1,24 +1,43 @@
-FROM oven/bun:1.3.6-alpine
+FROM ubuntu:24.04
 
-# Install system dependencies
-RUN apk add --no-cache \
+# Avoid interactive prompts
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies and build tools
+RUN apt-get update && apt-get install -y \
+    curl \
+    wget \
     git \
     bash \
-    curl \
+    unzip \
+    ca-certificates \
     openssh-client \
-    ca-certificates
+    python3 \
+    python3-pip \
+    python3-venv \
+    build-essential \
+    jq \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Node.js 24.x
+RUN curl -fsSL https://deb.nodesource.com/setup_24.x | bash - \
+    && apt-get install -y nodejs \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Bun
+RUN curl -fsSL https://bun.sh/install | bash
+ENV PATH="/root/.bun/bin:$PATH"
+
+# Install kubectl
+RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
+    && chmod +x kubectl \
+    && mv kubectl /usr/local/bin/
 
 # Install Claude Code CLI with Bun
 RUN bun install -g @anthropic-ai/claude-code
 
-# Install common development tools with Bun
-RUN bun install -g typescript
-
 # Create workspace directory
 WORKDIR /workspace
 
-# Copy MCP configuration
-COPY mcp-config.json /root/.claude/config.json
-
-# Keep container running and ready for commands
+# Default command: keep container running
 CMD ["tail", "-f", "/dev/null"]