ARG ALPINE_VERSION=3.8

########################
# Build pagespeed psol #
########################
FROM alpine:$ALPINE_VERSION as pagespeed

# Check https://github.com/apache/incubator-pagespeed-mod/tags
ARG MOD_PAGESPEED_TAG=v1.13.35.2

RUN apk add --no-cache \
        apache2-dev \
        apr-dev \
        apr-util-dev \
        build-base \
        curl \
        gettext-dev \
        git \
        gperf \
        icu-dev \
        libjpeg-turbo-dev \
        libpng-dev \
        libressl-dev \
        pcre-dev \
        py-setuptools \
        zlib-dev \
    ;

WORKDIR /usr/src
RUN git clone -b ${MOD_PAGESPEED_TAG} \
              --recurse-submodules \
              --depth=1 \
              -c advice.detachedHead=false \
              -j`nproc` \
              https://github.com/apache/incubator-pagespeed-mod.git \
              modpagespeed \
    ;

WORKDIR /usr/src/modpagespeed

COPY patches/modpagespeed/*.patch ./

RUN for i in *.patch; do printf "\r\nApplying patch ${i%%.*}\r\n"; patch -p1 < $i || exit 1; done

WORKDIR /usr/src/modpagespeed/tools/gyp
RUN ./setup.py install

WORKDIR /usr/src/modpagespeed

RUN build/gyp_chromium --depth=. \
                       -D use_system_libs=1 \
    && \
    cd /usr/src/modpagespeed/pagespeed/automatic && \
    make psol BUILDTYPE=Release \
              CFLAGS+="-I/usr/include/apr-1" \
              CXXFLAGS+="-I/usr/include/apr-1 -DUCHAR_TYPE=uint16_t" \
              -j`nproc` \
    ;

RUN mkdir -p /usr/src/ngxpagespeed/psol/lib/Release/linux/x64 && \
    mkdir -p /usr/src/ngxpagespeed/psol/include/out/Release && \
    cp -R out/Release/obj /usr/src/ngxpagespeed/psol/include/out/Release/ && \
    cp -R pagespeed/automatic/pagespeed_automatic.a /usr/src/ngxpagespeed/psol/lib/Release/linux/x64/ && \
    cp -R net \
          pagespeed \
          testing \
          third_party \
          url \
          /usr/src/ngxpagespeed/psol/include/ \
    ;


##########################################
# Build Nginx with support for PageSpeed #
##########################################
FROM alpine:$ALPINE_VERSION AS nginx

# Check https://github.com/apache/incubator-pagespeed-ngx/tags
ARG NGX_PAGESPEED_TAG=v1.13.35.2-stable

# Check http://nginx.org/en/download.html for the latest version.
ARG NGINX_VERSION=1.15.5
ARG NGINX_PGPKEY=520A9993A1C052F8
ARG NGINX_BUILD_CONFIG="\
        --prefix=/etc/nginx \
        --sbin-path=/usr/sbin/nginx \
        --modules-path=/usr/lib/nginx/modules \
        --conf-path=/etc/nginx/nginx.conf \
        --error-log-path=/var/log/nginx/error.log \
        --http-log-path=/var/log/nginx/access.log \
        --pid-path=/var/run/nginx.pid \
        --lock-path=/var/run/nginx.lock \
        --http-client-body-temp-path=/var/cache/nginx/client_temp \
        --http-proxy-temp-path=/var/cache/nginx/proxy_temp \
        --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp \
        --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp \
        --http-scgi-temp-path=/var/cache/nginx/scgi_temp \
        --user=nginx \
        --group=nginx \
        --with-http_ssl_module \
        --with-http_realip_module \
        --with-http_addition_module \
        --with-http_sub_module \
        --with-http_dav_module \
        --with-http_flv_module \
        --with-http_mp4_module \
        --with-http_gunzip_module \
        --with-http_gzip_static_module \
        --with-http_random_index_module \
        --with-http_secure_link_module \
        --with-http_stub_status_module \
        --with-http_auth_request_module \
        --with-http_xslt_module=dynamic \
        --with-http_image_filter_module=dynamic \
        --with-http_geoip_module=dynamic \
        --with-threads \
        --with-stream \
        --with-stream_ssl_module \
        --with-stream_ssl_preread_module \
        --with-stream_realip_module \
        --with-stream_geoip_module=dynamic \
        --with-http_slice_module \
        --with-mail \
        --with-mail_ssl_module \
        --with-compat \
        --with-file-aio \
        --with-http_v2_module \
    "

RUN apk add --no-cache \
        apr-dev \
        apr-util-dev \
        build-base \
        ca-certificates \
        gd-dev \
        geoip-dev \
        git \
        gnupg \
        icu-dev \
        libjpeg-turbo-dev \
        libpng-dev \
        libxslt-dev \
        linux-headers \
        libressl-dev \
        pcre-dev \
        tar \
        zlib-dev \
    ;

WORKDIR /usr/src
RUN git clone -b ${NGX_PAGESPEED_TAG} \
              --recurse-submodules \
              --shallow-submodules \
              --depth=1 \
              -c advice.detachedHead=false \
              -j`nproc` \
              https://github.com/apache/incubator-pagespeed-ngx.git \
              ngxpagespeed \
    ;

RUN wget https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz \
         https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz.asc && \
    (gpg --keyserver ha.pool.sks-keyservers.net --keyserver-options timeout=10 --recv-keys ${NGINX_PGPKEY} || \
     gpg --keyserver hkp://keyserver.ubuntu.com:80 --keyserver-options timeout=10 --recv-keys ${NGINX_PGPKEY} || \
     gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --keyserver-options timeout=10 --recv-keys $NGINX_PGPKEY} ) && \
    gpg --trusted-key ${NGINX_PGPKEY} --verify nginx-${NGINX_VERSION}.tar.gz.asc

COPY --from=pagespeed /usr/src/ngxpagespeed /usr/src/ngxpagespeed/

WORKDIR /usr/src/nginx

RUN tar zxf ../nginx-${NGINX_VERSION}.tar.gz --strip-components=1 -C . && \
    ./configure \
        ${NGINX_BUILD_CONFIG} \
        --add-module=/usr/src/ngxpagespeed \
        --with-ld-opt="-Wl,-z,relro,--start-group -lapr-1 -laprutil-1 -licudata -licuuc -lpng -lturbojpeg -ljpeg" \
    && \
    make install -j`nproc`

RUN rm -rf /etc/nginx/html/ && \
    mkdir /etc/nginx/conf.d/ && \
    mkdir -p /usr/share/nginx/html/ && \
    sed -i 's|^</body>|<p><a href="https://www.ngxpagespeed.com/"><img src="pagespeed.png" title="Nginx module for rewriting web pages to reduce latency and bandwidth" /></a></p>\n</body>|' html/index.html && \
    install -m644 html/index.html /usr/share/nginx/html/ && \
    install -m644 html/50x.html /usr/share/nginx/html/ && \
    ln -s ../../usr/lib/nginx/modules /etc/nginx/modules && \
    strip /usr/sbin/nginx* \
          /usr/lib/nginx/modules/*.so \
    ;

COPY conf/nginx.conf /etc/nginx/nginx.conf
COPY conf/nginx.vh.default.conf /etc/nginx/conf.d/default.conf
COPY pagespeed.png /usr/share/nginx/html/


##########################################
# Combine everything with minimal layers #
##########################################
FROM alpine:$ALPINE_VERSION
LABEL maintainer="Nico Berlee <nico.berlee@on2it.net>" \
      version.mod-pagespeed="1.13.35.2" \
      version.nginx="1.15.5" \
      version.ngx-pagespeed="1.13.35.2"

COPY --from=pagespeed /usr/bin/envsubst /usr/local/bin
COPY --from=nginx /usr/sbin/nginx /usr/sbin/nginx
COPY --from=nginx /usr/lib/nginx/modules/ /usr/lib/nginx/modules/
COPY --from=nginx /etc/nginx /etc/nginx
COPY --from=nginx /usr/share/nginx/html/ /usr/share/nginx/html/

RUN apk --no-cache upgrade && \
    scanelf --needed --nobanner --format '%n#p' /usr/sbin/nginx /usr/lib/nginx/modules/*.so /usr/local/bin/envsubst \
            | tr ',' '\n' \
            | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
            | xargs apk add --no-cache \
    && \
    apk add --no-cache tzdata

RUN addgroup -S nginx && \
    adduser -D -S -h /var/cache/nginx -s /sbin/nologin -G nginx nginx && \
    install -g nginx -o nginx -d /var/cache/ngx_pagespeed && \
    mkdir -p /var/log/nginx && \
    ln -sf /dev/stdout /var/log/nginx/access.log && \
    ln -sf /dev/stderr /var/log/nginx/error.log

EXPOSE 80

STOPSIGNAL SIGTERM

CMD ["/usr/sbin/nginx", "-g", "daemon off;"]