Running Claude Code in a container

Step 1: create a dockerfile inside the folder of your project

# Use the official Node.js 18 LTS image as base
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Install Claude Code CLI globally
RUN npm install -g @anthropic-ai/claude-code

# Set the default command to start an interactive session
CMD ["claude"]

Step 2: Build your image

docker build -t claude-code .

Step 3: Run your container (with volume mounted in current directory so you can read/write files on your computer, as opposed to container file system)

docker run -it -v $(pwd):/app claude-code

Step 4: Login and you’re off to the races!