# 1.22.1 Alpine 3.17
# 1.24.0 Alpine 3.19
# 1.26.2 Alpine 3.21
ARG ALPINE_VERSION=3.21

FROM quay.io/sindigilive/alpine:${ALPINE_VERSION} AS builder
LABEL maintainer="<Muhamad Aditya Prima> map@sindigilive.com"

USER root

ENV NGINX_ROOT_DIR=/app

# Add nginx user and group and install nginx
RUN /usr/sbin/addgroup -g 10001 nginx; \
    /usr/sbin/adduser -D -u 10001 -G nginx -s /sbin/nologin -h ${NGINX_ROOT_DIR}/htdocs nginx; \
    /usr/sbin/addgroup nginx tty; \
    /sbin/apk --no-cache upgrade; \
    /sbin/apk --no-cache --update add \
        nginx;

# Required files
ADD ./etc/nginx /etc/nginx
ADD ./scripts/entrypoint.sh /usr/local/bin/
ADD ./htdocs /app/htdocs

RUN /bin/chmod +x /usr/local/bin/entrypoint.sh; \
    /bin/chown -R nginx:nginx /app ; \
    /sbin/apk del curl ; \
    /bin/rm -rf /var/cache/apk/* ;

FROM scratch

ARG NGINX_VERSION=1.26

ENV NGINX_VERSION=${NGINX_VERSION}

LABEL maintainer="Muhamad Aditya Prima <map@sindigilive.com>"
LABEL name="nginx"
LABEL version="${NGINX_VERSION}"
LABEL distribution-scope="public"

#labels for container catalog
LABEL summary="Nginx ${NGINX_VERSION} on alpine based container image"
LABEL description="Provide nginx on alpine based container base image"
LABEL io.k8s.description="Very small alpine linux container image"
LABEL io.k8s.display-name="Nginx ${NGINX_VERSION}"

COPY --from=builder / /

USER nginx

WORKDIR /app/htdocs

EXPOSE 80

STOPSIGNAL SIGQUIT

ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]