littlenewton/hexo repository overview

FROM debian:trixie

# Set environment variables
ENV HEXO_SERVER_PORT=4000 \
    NODE_VERSION=24

# These will be provided at runtime via docker run -e or docker-compose
ENV GIT_USER="" \
    GIT_EMAIL="" \
    TZ="UTC"

# Install dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    ca-certificates \
    gnupg \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js from NodeSource
RUN curl -fsSL https://deb.nodesource.com/setup_${NODE_VERSION}.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/*

# Install hexo-cli globally
RUN npm install hexo-cli -g

# Preconfigure SSH known_hosts for GitHub
RUN set -eux; \
    mkdir -p /root/.ssh; \
    ssh-keyscan -t rsa,ecdsa,ed25519 -p 443 ssh.github.com >> /root/.ssh/known_hosts ; \
    chmod 600 /root/.ssh/known_hosts

# Copy ssh config
COPY ssh_config /root/.ssh/config
RUN chmod 600 /root/.ssh/config

# Create entrypoint script to configure git and timezone at runtime
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh"]

# Set working directory
WORKDIR /app

# Expose Hexo server port
EXPOSE ${HEXO_SERVER_PORT}

# Default command to start Hexo server
CMD ["hexo", "server", "--cwd", "/app"]