feat: add devpod image — code-server, Claude Code, bun, kubectl

Dockerfile.devpod

@@ -0,0 +1,38 @@
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV HOME=/root
+ENV PATH="/root/.bun/bin:$PATH"
+
+# Base tools
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl wget git openssh-server ca-certificates gnupg \
+    build-essential unzip jq tmux zsh ripgrep \
+    && rm -rf /var/lib/apt/lists/*
+
+# Bun
+RUN curl -fsSL https://bun.sh/install | bash
+
+# Claude Code CLI
+RUN curl -fsSL https://claude.ai/install.sh | bash
+
+# code-server (VS Code in browser)
+RUN curl -fsSL https://code-server.dev/install.sh | sh
+
+# kubectl
+RUN curl -fsSL "https://dl.k8s.io/release/$(curl -fsSL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
+    -o /usr/local/bin/kubectl && chmod +x /usr/local/bin/kubectl
+
+# doctl
+RUN curl -fsSL https://github.com/digitalocean/doctl/releases/download/v1.119.0/doctl-1.119.0-linux-amd64.tar.gz \
+    | tar xz -C /usr/local/bin
+
+# SSH setup — host keys generated at runtime via entrypoint
+RUN mkdir -p /run/sshd /root/.ssh && chmod 700 /root/.ssh
+
+COPY entrypoint-devpod.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+WORKDIR /workspace
+EXPOSE 8080 22
+ENTRYPOINT ["/entrypoint.sh"]