154 lines
6.9 KiB
Docker
154 lines
6.9 KiB
Docker
FROM harbor.dragse.it/base/alpine:3.15
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LABEL maintainer="Lennard Brinkhaus <lennard.brinkhaus@dragse.de>"
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ENV NGINX_VERSION 1.21.5
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ENV NJS_VERSION 0.7.1
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ENV PKG_RELEASE 1
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RUN echo $'http://nexus.dragse.it/repository/apk-main/\nhttp://nexus.dragse.it/repository/apk-community/' > /etc/apk/repositories
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RUN apk --no-cache upgrade \
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&& apk --no-cache add ca-certificates wget openssl \
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&& update-ca-certificates
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ARG UID=101
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ARG GID=101
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RUN set -x \
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# create nginx user/group first, to be consistent throughout docker variants
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&& addgroup -g $GID -S nginx || true \
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&& adduser -S -D -H -u $UID -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx || true \
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&& apkArch="$(cat /etc/apk/arch)" \
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&& nginxPackages=" \
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nginx=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-xslt=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-geoip=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-image-filter=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-perl=${NGINX_VERSION}-r${PKG_RELEASE} \
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nginx-module-njs=${NGINX_VERSION}.${NJS_VERSION}-r${PKG_RELEASE} \
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" \
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# install prerequisites for public key and pkg-oss checks
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&& apk add --no-cache --virtual .checksum-deps \
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openssl \
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&& case "$apkArch" in \
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x86_64|aarch64) \
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# arches officially built by upstream
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set -x \
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&& KEY_SHA512="e7fa8303923d9b95db37a77ad46c68fd4755ff935d0a534d26eba83de193c76166c68bfe7f65471bf8881004ef4aa6df3e34689c305662750c0172fca5d8552a *stdin" \
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&& wget -O /tmp/nginx_signing.rsa.pub https://nginx.org/keys/nginx_signing.rsa.pub \
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&& if [ "$(openssl rsa -pubin -in /tmp/nginx_signing.rsa.pub -text -noout | openssl sha512 -r)" = "$KEY_SHA512" ]; then \
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echo "key verification succeeded!"; \
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mv /tmp/nginx_signing.rsa.pub /etc/apk/keys/; \
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else \
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echo "key verification failed!"; \
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exit 1; \
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fi \
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&& apk add -X "https://nginx.org/packages/mainline/alpine/v$(egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release)/main" --no-cache $nginxPackages \
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;; \
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*) \
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# we're on an architecture upstream doesn't officially build for
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# let's build binaries from the published packaging sources
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set -x \
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&& tempDir="$(mktemp -d)" \
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&& chown nobody:nobody $tempDir \
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&& apk add --no-cache --virtual .build-deps \
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gcc \
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libc-dev \
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make \
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openssl-dev \
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pcre-dev \
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zlib-dev \
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linux-headers \
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libxslt-dev \
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gd-dev \
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geoip-dev \
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perl-dev \
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libedit-dev \
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bash \
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alpine-sdk \
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findutils \
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&& su nobody -s /bin/sh -c " \
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export HOME=${tempDir} \
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&& cd ${tempDir} \
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&& curl -f -O https://hg.nginx.org/pkg-oss/archive/${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
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&& PKGOSSCHECKSUM=\"f917c27702aa89cda46878fc80d446839c592c43ce7f251b3f4ced60c7033d34496a92d283927225d458cbc4f2f89499e7fb16344923317cd7725ad722eaf93e *${NGINX_VERSION}-${PKG_RELEASE}.tar.gz\" \
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&& if [ \"\$(openssl sha512 -r ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz)\" = \"\$PKGOSSCHECKSUM\" ]; then \
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echo \"pkg-oss tarball checksum verification succeeded!\"; \
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else \
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echo \"pkg-oss tarball checksum verification failed!\"; \
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exit 1; \
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fi \
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&& tar xzvf ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
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&& cd pkg-oss-${NGINX_VERSION}-${PKG_RELEASE} \
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&& cd alpine \
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&& make all \
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&& apk index -o ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz ${tempDir}/packages/alpine/${apkArch}/*.apk \
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&& abuild-sign -k ${tempDir}/.abuild/abuild-key.rsa ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz \
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" \
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&& cp ${tempDir}/.abuild/abuild-key.rsa.pub /etc/apk/keys/ \
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&& apk del .build-deps \
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&& apk add -X ${tempDir}/packages/alpine/ --no-cache $nginxPackages \
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;; \
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esac \
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# remove checksum deps
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&& apk del .checksum-deps \
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# if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
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&& if [ -n "$tempDir" ]; then rm -rf "$tempDir"; fi \
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&& if [ -n "/etc/apk/keys/abuild-key.rsa.pub" ]; then rm -f /etc/apk/keys/abuild-key.rsa.pub; fi \
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&& if [ -n "/etc/apk/keys/nginx_signing.rsa.pub" ]; then rm -f /etc/apk/keys/nginx_signing.rsa.pub; fi \
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# Bring in gettext so we can get `envsubst`, then throw
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# the rest away. To do this, we need to install `gettext`
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# then move `envsubst` out of the way so `gettext` can
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# be deleted completely, then move `envsubst` back.
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&& apk add --no-cache --virtual .gettext gettext \
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&& mv /usr/bin/envsubst /tmp/ \
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\
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&& runDeps="$( \
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scanelf --needed --nobanner /tmp/envsubst \
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| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
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| sort -u \
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| xargs -r apk info --installed \
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| sort -u \
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)" \
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&& apk add --no-cache $runDeps \
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&& apk del .gettext \
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&& mv /tmp/envsubst /usr/local/bin/ \
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# Bring in tzdata so users could set the timezones through the environment
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# variables
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&& apk add --no-cache tzdata \
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# Bring in curl and ca-certificates to make registering on DNS SD easier
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&& apk add --no-cache curl ca-certificates \
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# forward request and error logs to docker log collector
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&& ln -sf /dev/stdout /var/log/nginx/access.log \
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&& ln -sf /dev/stderr /var/log/nginx/error.log \
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# create a docker-entrypoint.d directory
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&& mkdir /docker-entrypoint.d
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# implement changes required to run NGINX as an unprivileged user
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RUN sed -i 's,listen 80;,listen 8080;,' /etc/nginx/conf.d/default.conf \
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&& sed -i '/user nginx;/d' /etc/nginx/nginx.conf \
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&& sed -i 's,/var/run/nginx.pid,/tmp/nginx.pid,' /etc/nginx/nginx.conf \
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&& sed -i "/^http {/a \ proxy_temp_path /tmp/proxy_temp;\n client_body_temp_path /tmp/client_temp;\n fastcgi_temp_path /tmp/fastcgi_temp;\n uwsgi_temp_path /tmp/uwsgi_temp;\n scgi_temp_path /tmp/scgi_temp;\n" /etc/nginx/nginx.conf \
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# nginx user must own the cache and etc directory to write cache and tweak the nginx config
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&& chown -R $UID:0 /var/cache/nginx \
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&& chmod -R g+w /var/cache/nginx \
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&& chown -R $UID:0 /etc/nginx \
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&& chmod -R g+w /etc/nginx
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USER $UID
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COPY docker-entrypoint.sh /docker-entrypoint.sh
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COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
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COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
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COPY 30-tune-worker-processes.sh /docker-entrypoint.d
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RUN chmod +x /docker-entrypoint.sh
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ENTRYPOINT ["/docker-entrypoint.sh"]
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EXPOSE 8080
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STOPSIGNAL SIGQUIT
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CMD ["nginx", "-g", "daemon off;"]
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