Deploying a Jekyll Website Using Docker

Dockerfile

# Use an official Ruby runtime as a parent image
FROM ruby:3.2.2-bookworm

# Install Node.js for some js dependencies
RUN apt-get update -qq && apt-get install -y nodejs

# Install Jekyll and Bundler
RUN gem install bundler jekyll

# Set the working directory in the image to /app
WORKDIR /app

# Add the current directory (inside jekyll site folder) contents into the container at /app
ADD . /app

# Install any needed packages specified in Gemfile
RUN bundle install

# Make port 4000 available outside this container
EXPOSE 4000

#optionnal:
ENV NAME World

# Run Jekyll when the container launches
CMD ["bundle", "exec", "jekyll", "serve", "--host", "0.0.0.0"]