Dockerfile

ARG ALPINE_VERSION=3.12

FROM alpine:${ALPINE_VERSION} as build
LABEL maintainer="Ivan Mirić <ivan@imiric.com>"

WORKDIR /build

ARG NGINX_VERSION=1.18.0
RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
	&& 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_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-compat \
		--with-file-aio \
		--with-http_v2_module \
		--add-module=ngx_aws_auth \
		--add-module=ngx_headers_more \
	" \
	&& apk add --no-cache --virtual .build-deps \
		gcc \
		libc-dev \
		make \
		openssl-dev \
		pcre-dev \
		zlib-dev \
		linux-headers \
		curl \
		gnupg \
		libxslt-dev \
		gd-dev \
		geoip-dev \
	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
    && export GNUPGHOME="$(mktemp -d)" \
	&& found=''; \
	for server in \
		ha.pool.sks-keyservers.net \
		hkp://keyserver.ubuntu.com:80 \
		hkp://p80.pool.sks-keyservers.net:80 \
		pgp.mit.edu \
	; do \
		echo "Fetching GPG key $GPG_KEYS from $server"; \
		gpg --keyserver "$server" --keyserver-options timeout=10 --recv-keys "$GPG_KEYS" && found=yes && break; \
	done; \
	test -z "$found" && echo >&2 "error: failed to fetch GPG key $GPG_KEYS" && exit 1; \
	gpg --batch --verify nginx.tar.gz.asc nginx.tar.gz \
	&& rm -rf "$GNUPGHOME" nginx.tar.gz.asc \
	&& mkdir -p /usr/src \
	&& tar -zxC /usr/src -f nginx.tar.gz \
	&& rm nginx.tar.gz \
	&& cd /usr/src/nginx-$NGINX_VERSION \
    && mkdir ngx_aws_auth \
    && curl -L https://github.com/passion4code/ngx_aws_auth/tarball/AuthV2 | tar -xzf - -C ngx_aws_auth --strip-components=1 \
    && mkdir ngx_headers_more \
    && curl -L https://github.com/openresty/headers-more-nginx-module/tarball/master | tar -xzf - -C ngx_headers_more --strip-components=1 \
	&& ./configure $CONFIG --with-debug \
	&& make -j$(getconf _NPROCESSORS_ONLN) \
	&& mv objs/nginx objs/nginx-debug \
	&& mv objs/ngx_http_xslt_filter_module.so objs/ngx_http_xslt_filter_module-debug.so \
	&& mv objs/ngx_http_image_filter_module.so objs/ngx_http_image_filter_module-debug.so \
	&& mv objs/ngx_http_geoip_module.so objs/ngx_http_geoip_module-debug.so \
	&& ./configure $CONFIG \
	&& make -j$(getconf _NPROCESSORS_ONLN) \
	&& make install \
	&& rm -rf /etc/nginx/html/ \
	&& mkdir /etc/nginx/conf.d/ \
	&& mkdir -p /usr/share/nginx/html/ \
	&& mkdir -p /usr/share/nginx/static/ \
	&& install -m644 html/index.html /usr/share/nginx/html/ \
	&& install -m644 html/50x.html /usr/share/nginx/html/ \
	&& install -m755 objs/nginx-debug /usr/sbin/nginx-debug \
	&& install -m755 objs/ngx_http_xslt_filter_module-debug.so /usr/lib/nginx/modules/ngx_http_xslt_filter_module-debug.so \
	&& install -m755 objs/ngx_http_image_filter_module-debug.so /usr/lib/nginx/modules/ngx_http_image_filter_module-debug.so \
	&& install -m755 objs/ngx_http_geoip_module-debug.so /usr/lib/nginx/modules/ngx_http_geoip_module-debug.so \
	&& ln -s ../../usr/lib/nginx/modules /etc/nginx/modules \
	&& strip /usr/sbin/nginx* \
	&& strip /usr/lib/nginx/modules/*.so \
	&& rm -rf /usr/src/nginx-$NGINX_VERSION \
	&& apk del .build-deps


FROM alpine:${ALPINE_VERSION} as prod
LABEL maintainer="Ivan Mirić <ivan@imiric.com>"

COPY --from=build /usr/lib/nginx /usr/lib/nginx
COPY --from=build /usr/sbin/nginx /usr/sbin/nginx

# Install runtime dependencies
RUN apk add --no-cache tzdata \
    # Bring in gettext so we can get `envsubst`, then throw
    # the rest away. To do this, we need to install `gettext`
    # then move `envsubst` out of the way so `gettext` can
    # be deleted completely, then move `envsubst` back.
	&& apk add --no-cache --virtual .gettext gettext \
	&& mv /usr/bin/envsubst /tmp/ \
	&& runDeps="$( \
		scanelf --needed --nobanner --format '%n#p' /usr/sbin/nginx /usr/lib/nginx/modules/*.so /tmp/envsubst \
			| tr ',' '\n' \
			| sort -u \
			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
	)" \
	&& apk add --no-cache --virtual .nginx-rundeps $runDeps \
	&& apk del .gettext \
	&& mv /tmp/envsubst /usr/local/bin/

# Create unprivileged user
RUN addgroup -S -g 911 nginx \
    && adduser -D -S -u 911 -h /var/cache/nginx -s /sbin/nologin -G nginx nginx

# Setup environment
RUN mkdir -p /usr/share/nginx/acme-challenge/ /etc/nginx /var/log/nginx \
    && chown -R nginx:nginx /etc/nginx /var/log/nginx \
    # 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

COPY --chown=nginx:nginx src/404.html /usr/share/nginx/html/
COPY --chown=nginx:nginx src/nginx.conf.tmpl /etc/nginx/nginx.conf.tmpl
COPY src/run.sh /usr/local/bin/

WORKDIR /usr/share/nginx/html

EXPOSE 80 443

STOPSIGNAL SIGTERM

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


FROM prod as letsencrypt

RUN apk add --no-cache git openssl python3

WORKDIR /root

RUN git clone https://github.com/diafygi/acme-tiny.git

WORKDIR /root/acme-tiny

COPY src/renew-tls-cert.sh .


FROM prod