FROM nginx:stable-alpine

# Copy custom Nginx configuration if needed
# COPY ./nginx.conf /etc/nginx/nginx.conf

# Expose the port your application listens on
EXPOSE 80

# Define a health check for the container
# This tells Docker if the container is healthy and ready to serve requests.
# --interval: how often to run the check (default: 30s)
# --timeout: how long to wait for a command to complete (default: 30s)
# --start-period: graceful startup period during which health check failures won't count (default: 0s)
# --retries: how many consecutive failures before considering container 'unhealthy' (default: 3)
HEALTHCHECK --interval=5s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --quiet --tries=1 --spider http://localhost/ || exit 1

CMD ["nginx", "-g", "daemon off;"]