Dockerfile

FROM ruby:4-slim@sha256:6a08f2a66d5bff1204add452ebdf2f3819ed1212c6269d0bc152e14f375aca3e AS build

SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]

# hadolint ignore=DL3008
RUN apt-get update -qq && apt-get install -qqy --no-install-recommends build-essential git

# Set the current working directory in the container
WORKDIR /usr/src/app

# Copy over everything from our local directory to the container
COPY . .

# Install the required gems
RUN bundle install

ENV JEKYLL_ENV=production

# Generate our static site
RUN bundle exec jekyll build

################################################################################

FROM nginxinc/nginx-unprivileged:1.30.0-alpine-slim@sha256:82dda3c2c5b63d5ed36590747d3050a1a5e1b7077bad1b5f88cd3509a61fdbee

# renovate: datasource=docker depName=nginxinc/nginx-unprivileged versioning=docker
LABEL org.opencontainers.image.base.name="nginxinc/nginx-unprivileged:1.30.0-alpine-slim"

COPY --from=build /usr/src/app/_site /usr/share/nginx/html/

RUN printf '%s\n' > /etc/nginx/conf.d/health.conf \
    'server {' \
    '    listen 8081;' \
    '    location / {' \
    '        access_log off;' \
    '        add_header Content-Type text/plain;' \
    '        return 200 "healthy\n";' \
    '    }' \
    '}'

USER nginx

# Healthcheck to make sure container is ready
HEALTHCHECK --interval=5m --timeout=3s CMD curl --fail http://localhost:8081 || exit 1