Claude Code in Docker

claude-code.sh

#!/bin/bash

set -euo pipefail

CONFIG_ROOT="$HOME/.claude-code"
mkdir -p "$CONFIG_ROOT/claude"
touch "$CONFIG_ROOT/claude.json"
docker run \
  --rm -ti \
  --mount type=volume,source=claude-code-npm,target=/root/.npm \
  --mount type=volume,source=claude-code-node-modules,target=/usr/local/lib/node_modules \
  --mount type=bind,source="$CONFIG_ROOT/claude",target=/root/.claude \
  --mount type=bind,source="$CONFIG_ROOT/claude.json",target=/root/.claude.json \
  --mount type=bind,source="$PWD",target=/workspace \
  -w /workspace \
  "$(DOCKER_BUILDKIT=1 docker build -q -f- . <<'DOCKERFILE_EOF'
# syntax=docker/dockerfile:1.3-labs
FROM swift:latest

# Install Claude Code

RUN \
  DEBIAN_FRONTEND=noninteractive \
  apt-get update && \
    apt-get install -y \
      ripgrep \
      nodejs \
      npm \
      wget

## Install gh cli
RUN \
	mkdir -p -m 755 /etc/apt/keyrings \
    && out=$(mktemp) && wget -nv -O$out https://cli.github.com/packages/githubcli-archive-keyring.gpg \
    && cat $out | tee /etc/apt/keyrings/githubcli-archive-keyring.gpg > /dev/null \
	&& chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg \
	&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null && \
  DEBIAN_FRONTEND=noninteractive \
  apt-get update && \
    apt-get install -y \
      gh

RUN \
  npm install -g @anthropic-ai/claude-code

COPY <<'EOF' /root/entrypoint.sh
#!/bin/bash
MARKER_FILE="/root/.npm/.claude-code-installed"
if [[ ! -f "$MARKER_FILE" ]]; then
  npm install -g @anthropic-ai/claude-code
  touch "$MARKER_FILE"
fi
/usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js "$@"
EOF

RUN chmod +x /root/entrypoint.sh

ENTRYPOINT ["/root/entrypoint.sh"]

DOCKERFILE_EOF
)" "$@"