docker-claude/claude/Dockerfile

FROM node:20-alpine

# Upgrade npm to pull in patched bundled deps (cross-spawn, glob, minimatch, tar)
# CVEs: CVE-2024-21538, CVE-2025-64756, CVE-2026-26996/27903/27904, CVE-2026-23745/23950/24842/26960/29786/31802
RUN npm install -g npm@11.12.1

# Install runtime dependencies
RUN apk add --no-cache \
  git \
  curl \
  ca-certificates \
  bash

# Install kubectl — architecture-aware, checksum-verified
RUN KUBECTL_VERSION=$(curl -fsSL https://dl.k8s.io/release/stable.txt) \
  && ARCH=$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/') \
  && curl -fsSL "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${ARCH}/kubectl" \
  -o /usr/local/bin/kubectl \
  && curl -fsSL "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${ARCH}/kubectl.sha256" \
  -o /tmp/kubectl.sha256 \
  && echo "$(cat /tmp/kubectl.sha256)  /usr/local/bin/kubectl" | sha256sum -c \
  && rm /tmp/kubectl.sha256 \
  && chmod +x /usr/local/bin/kubectl

# System-level Claude Code policy — owned by root, not writable by the node user.
# Restricts available models; cannot be bypassed via CLI flags or env vars.
COPY settings.json /etc/claude-code/managed-settings.json

# Install Claude Code stable release
RUN curl -fsSL https://claude.ai/install.sh | bash -s stable


# Install MCP servers globally — entry points land in /usr/local/lib/node_modules/
RUN npm install -g \
  @modelcontextprotocol/server-github \
  @yoda.digital/gitlab-mcp-server \
  @aashari/mcp-server-atlassian-jira \
  @aashari/mcp-server-atlassian-confluence

# Workspace and Claude config dir — owned by the built-in node user (uid 1000).
# Pre-creating ~/.claude ensures the named volume is initialised with the
# correct ownership when first mounted (Docker copies image content into
# an empty named volume on first use).
RUN mkdir -p /workspace /home/node/.claude \
  && chown -R node:node /workspace /home/node/.claude

USER node
WORKDIR /workspace

# Proxy traffic through sidecar — override at runtime if needed
ENV HTTP_PROXY=http://proxy:3128
ENV HTTPS_PROXY=http://proxy:3128
ENV ALL_PROXY=http://proxy:3128
ENV NO_PROXY=localhost,127.0.0.1

ENTRYPOINT ["claude"]