FROM immawanderer/fedora-hugo:linux-amd64 AS hugobuild
RUN mkdir -pv /homepage
COPY . /homepage

WORKDIR /homepage

RUN git submodule init \
&& git submodule update --recursive \
&& hugo version
# "DL3059 info: Multiple consecutive `RUN` instructions.
# Consider consolidation."
# hadolint ignore=DL3059
RUN hugo --minify --gc=true

WORKDIR /

FROM nginx:mainline-alpine
COPY --from=hugobuild /homepage/public/ /usr/share/nginx/html

# tripple slash reference
# https://stackoverflow.com/questions/5190966/using-sed-to-insert-tabs/5191165#5191165
RUN sed -i -e 's/^worker_processes  auto;/worker_processes auto;/'\
 -e "/^events {$/ a \\\tmulti_accept on;\n\tuse epoll;"\
 -e "/^http {$/ a \\\tserver_tokens off;\n\tetag off;\n"\
 -e 's/#tcp_nopush/tcp_nopush/'\
 -e "/tcp_nopush/ a \\\ttcp_nodelay on;"\
 -e "s/^    */$(printf '\t')/"\
 /etc/nginx/nginx.conf