FROM debian:bookworm-slim

RUN set -eux; \
# create nginx user/group first, to be consistent throughout docker variants
    groupadd --system --gid 101 nginx; \
    useradd --system --gid nginx --no-create-home --home /nonexistent --comment "nginx user" --shell /bin/false --uid 101 nginx; \
    apt-get update; \
    apt-get install -y nginx wget libnginx-mod-http-brotli-filter libnginx-mod-http-brotli-static; \
    \
    arch="$(dpkg --print-architecture)"; arch="${arch##*-}"; \
    url=; \
    case "$arch" in \
        'amd64') \
            url='https://code.thetadev.de/ThetaDev/ngx-awesomeindex/releases/download/v0.1.1/libnginx-mod-http-awesomeindex_0.1.1-1_amd64.deb'; \
            ;; \
        'arm64') \
            url='https://code.thetadev.de/ThetaDev/ngx-awesomeindex/releases/download/v0.1.1/libnginx-mod-http-awesomeindex_0.1.1-1_arm64.deb'; \
            ;; \
        *) echo >&2 "error: unsupported architecture '$arch' (likely packaging update needed)"; exit 1 ;; \
    esac; \
    \
    wget -O "libnginx-mod-http-awesomeindex.deb" "$url"; \
    apt-get install -y "./libnginx-mod-http-awesomeindex.deb"; \
    apt-get remove -y wget; \
    apt-get autoremove -y; \
    apt-get clean; \
    rm "libnginx-mod-http-awesomeindex.deb"; \
# forward request and error logs to docker log collector
    ln -sf /dev/stdout /var/log/nginx/access.log; \
    ln -sf /dev/stderr /var/log/nginx/error.log; \
# create a docker-entrypoint.d directory 
    mkdir /docker-entrypoint.d

COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 15-local-resolvers.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80

STOPSIGNAL SIGQUIT

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