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# __ __
# .-----.-----.|__|.-----.--.--.______| |.--.--.---.-.
# | | _ || || |_ _|______| || | | _ |
# |__|__|___ ||__||__|__|__.__| |__||_____|___._|
# |_____|
#
# Copyright (c) 2023 Fabio Cicerchia. https://fabiocicerchia.it. MIT License
# Repo: https://github.com/fabiocicerchia/nginx-lua
ARG ARCH=
ARG DISTRO=alpine
ARG DISTRO_VER=3.18.4
#############################
# Settings Common Variables #
#############################
FROM ${ARCH}/$DISTRO:$DISTRO_VER AS base
ARG ARCH=
ENV ARCH=$ARCH
ENV DOCKER_IMAGE=fabiocicerchia/nginx-lua
ENV DOCKER_IMAGE_OS=${DISTRO}
ENV DOCKER_IMAGE_TAG=${DISTRO_VER}
ARG BUILD_DATE
ENV BUILD_DATE=$BUILD_DATE
ARG VCS_REF
ENV VCS_REF=$VCS_REF
# NGINX
################################################################################
# nginx
# https://github.com/nginx/nginx/releases
ARG VER_NGINX=1.25.2
ENV VER_NGINX=$VER_NGINX
# NGINX MODULES
################################################################################
# ngx_devel_kit
# https://github.com/vision5/ngx_devel_kit
# The NDK is now considered to be stable.
ARG VER_NGX_DEVEL_KIT=0.3.2
ENV VER_NGX_DEVEL_KIT=$VER_NGX_DEVEL_KIT
# njs
# https://github.com/nginx/njs
ARG VER_NJS=0.8.1
ENV VER_NJS=$VER_NJS
# geoip2
# https://github.com/leev/ngx_http_geoip2_module
ARG VER_GEOIP=3.4
ENV VER_GEOIP=$VER_GEOIP
# LUA
################################################################################
# luajit2
# https://github.com/openresty/luajit2
# Note: LuaJIT2 is stuck on Lua 5.1 since 2009.
# OpenResty's LuaJIT headers will be used.
# The `lua` interpreter is an alias of `luajit` to maintain the same version
# consistently in the system. If needed to use the latest Lua version (ie >=5.4)
# the os system package would be required, resulting in a system with multiple
# versions available.
ARG VER_LUAJIT=2.1-20230911
ENV VER_LUAJIT=$VER_LUAJIT
ARG LUAJIT_LIB=/usr/local/lib
ENV LUAJIT_LIB=$LUAJIT_LIB
ARG LUAJIT_INC=/usr/local/include/luajit-2.1
ENV LUAJIT_INC=$LUAJIT_INC
ARG LD_LIBRARY_PATH=/usr/local/lib/:$LD_LIBRARY_PATH
ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH
# lua-nginx-module
# https://github.com/openresty/lua-nginx-module
# Production ready.
ARG VER_LUA_NGINX_MODULE=0.10.25
ENV VER_LUA_NGINX_MODULE=$VER_LUA_NGINX_MODULE
# lua-resty-core
# https://github.com/openresty/lua-resty-core
# This library is production ready.
ARG VER_LUA_RESTY_CORE=0.1.27
ENV VER_LUA_RESTY_CORE=$VER_LUA_RESTY_CORE
ARG LUA_LIB_DIR=/usr/local/share/lua/5.1
ENV LUA_LIB_DIR=$LUA_LIB_DIR
# LUAROCKS
################################################################################
# lua-rocks
# https://luarocks.github.io/luarocks/releases/
ARG VER_LUAROCKS=3.9.2
ENV VER_LUAROCKS=$VER_LUAROCKS
# LUA ADDONS
################################################################################
# headers-more-nginx-module
# https://github.com/openresty/headers-more-nginx-module
ARG VER_OPENRESTY_HEADERS=0.34
ENV VER_OPENRESTY_HEADERS=$VER_OPENRESTY_HEADERS
# lua-resty-cookie
# https://github.com/cloudflare/lua-resty-cookie
ARG VER_CLOUDFLARE_COOKIE=f418d77082eaef48331302e84330488fdc810ef4
ENV VER_CLOUDFLARE_COOKIE=$VER_CLOUDFLARE_COOKIE
# lua-resty-dns
# https://github.com/openresty/lua-resty-dns
ARG VER_OPENRESTY_DNS=0.22
ENV VER_OPENRESTY_DNS=$VER_OPENRESTY_DNS
# lua-resty-lrucache
# https://github.com/openresty/lua-resty-lrucache
# This library is considered production ready.
ARG VER_LUA_RESTY_LRUCACHE=0.13
ENV VER_LUA_RESTY_LRUCACHE=$VER_LUA_RESTY_LRUCACHE
# lua-resty-memcached
# https://github.com/openresty/lua-resty-memcached
ARG VER_OPENRESTY_MEMCACHED=0.17
ENV VER_OPENRESTY_MEMCACHED=$VER_OPENRESTY_MEMCACHED
# lua-resty-mysql
# https://github.com/openresty/lua-resty-mysql
ARG VER_OPENRESTY_MYSQL=0.26
ENV VER_OPENRESTY_MYSQL=$VER_OPENRESTY_MYSQL
# lua-resty-redis
# https://github.com/openresty/lua-resty-redis
ARG VER_OPENRESTY_REDIS=0.30
ENV VER_OPENRESTY_REDIS=$VER_OPENRESTY_REDIS
# lua-resty-shell
# https://github.com/openresty/lua-resty-shell
ARG VER_OPENRESTY_SHELL=0.03
ENV VER_OPENRESTY_SHELL=$VER_OPENRESTY_SHELL
# lua-resty-signal
# https://github.com/openresty/lua-resty-signal
ARG VER_OPENRESTY_SIGNAL=0.03
ENV VER_OPENRESTY_SIGNAL=$VER_OPENRESTY_SIGNAL
# lua-resty-upstream-healthcheck
# https://github.com/openresty/lua-resty-upstream-healthcheck
ARG VER_OPENRESTY_HEALTHCHECK=0.08
ENV VER_OPENRESTY_HEALTHCHECK=$VER_OPENRESTY_HEALTHCHECK
# lua-resty-websocket
# https://github.com/openresty/lua-resty-websocket
ARG VER_OPENRESTY_WEBSOCKET=0.10
ENV VER_OPENRESTY_WEBSOCKET=$VER_OPENRESTY_WEBSOCKET
# lua-tablepool
# https://github.com/openresty/lua-tablepool
ARG VER_OPENRESTY_TABLEPOOL=0.02
ENV VER_OPENRESTY_TABLEPOOL=$VER_OPENRESTY_TABLEPOOL
# lua-upstream-nginx-module
# https://github.com/openresty/lua-upstream-nginx-module
ARG VER_LUA_UPSTREAM=0.07
ENV VER_LUA_UPSTREAM=$VER_LUA_UPSTREAM
# nginx-lua-prometheus
# https://github.com/knyar/nginx-lua-prometheus
ARG VER_PROMETHEUS=0.20230607
ENV VER_PROMETHEUS=$VER_PROMETHEUS
# set-misc-nginx-module
# https://github.com/openresty/set-misc-nginx-module
ARG VER_MISC_NGINX=0.33
ENV VER_MISC_NGINX=$VER_MISC_NGINX
# stream-lua-nginx-module
# https://github.com/openresty/stream-lua-nginx-module
ARG VER_OPENRESTY_STREAMLUA=0.0.13
ENV VER_OPENRESTY_STREAMLUA=$VER_OPENRESTY_STREAMLUA
################################################################################
# Replicate same official env variable
ENV NGINX_VERSION $VER_NGINX
ENV NJS_VERSION $VER_NJS
ENV PKG_RELEASE 1~$DISTRO_VER
# References:
# - https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc
# - https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
# -g Generate debugging information
# -O2 Recommended optimizations
# -fstack-protector-strong Stack smashing protector
# -Wformat Check calls to make sure that the arguments supplied have types appropriate to the format string specified
# -Werror=format-security Reject potentially unsafe format string arguents
# -Wp,-D_FORTIFY_SOURCE=2 Run-time buffer overflow detection
# -fPIC No text relocations
# ORIGINAL VALUE: -g -O2 -ffile-prefix-map=/data/builder/debuild/nginx-1.23.3/debian/debuild-base/nginx-1.23.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fPIC
ARG NGX_CFLAGS="-g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fPIC"
ENV NGX_CFLAGS=$NGX_CFLAGS
# References
# - https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc
# - https://wiki.debian.org/ToolChain/DSOLinking#Unresolved_symbols_in_shared_libraries
# - https://ftp.gnu.org/old-gnu/Manuals/ld-2.9.1/html_node/ld_3.html
# - https://linux.die.net/man/1/ld
# -Wl,-rpath,/usr/local/lib Add a directory to the runtime library search path
# -Wl,-z,relro Read-only segments after relocation
# -Wl,-z,now Disable lazy binding
# -Wl,--as-needed Only link with needed libraries
# -pie Full ASLR for executables
# ORIGINAL VALUE: -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -pie
ARG NGX_LDOPT="-Wl,-rpath,/usr/local/lib -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -pie"
ENV NGX_LDOPT=$NGX_LDOPT
# Reference: http://nginx.org/en/docs/configure.html
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 \
--with-perl_modules_path=/usr/lib/perl5/vendor_perl \
--user=nginx \
--group=nginx \
`# OFFICIAL MODULES` \
--with-compat \
--with-file-aio \
--with-threads \
--with-http_addition_module \
--with-http_auth_request_module \
--with-http_dav_module \
--with-http_flv_module \
--with-http_gunzip_module \
--with-http_gzip_static_module \
--with-http_mp4_module \
--with-http_random_index_module \
--with-http_realip_module \
--with-http_secure_link_module \
--with-http_slice_module \
--with-http_ssl_module \
--with-http_stub_status_module \
--with-http_sub_module \
--with-http_v2_module \
--with-mail \
--with-mail_ssl_module \
--with-stream \
--with-stream_realip_module \
--with-stream_ssl_module \
--with-stream_ssl_preread_module \
`# CUSTOM MODULES` \
--add-module=/headers-more-nginx-module-${VER_OPENRESTY_HEADERS} \
--add-module=/lua-nginx-module-${VER_LUA_NGINX_MODULE} \
--add-module=/lua-upstream-nginx-module-${VER_LUA_UPSTREAM} \
--add-module=/ngx_devel_kit-${VER_NGX_DEVEL_KIT} \
--add-module=/ngx_http_geoip2_module-${VER_GEOIP} \
--add-module=/njs-${VER_NJS}/nginx \
--add-module=/set-misc-nginx-module-${VER_MISC_NGINX} \
--add-module=/stream-lua-nginx-module-${VER_OPENRESTY_STREAMLUA} \
"
ENV NGINX_BUILD_CONFIG=$NGINX_BUILD_CONFIG
ARG BUILD_DEPS_BASE="\
curl \
gzip \
libmaxminddb-dev \
make \
openssl-dev \
patch \
pcre-dev \
tar \
zlib-dev \
"
ENV BUILD_DEPS_BASE=$BUILD_DEPS_BASE
ARG BUILD_DEPS_AMD64="\
${BUILD_DEPS_BASE} \
g++ \
"
ENV BUILD_DEPS_AMD64=$BUILD_DEPS_AMD64
ARG BUILD_DEPS_ARM64V8="\
${BUILD_DEPS_BASE} \
gcc-aarch64-none-elf \
"
ENV BUILD_DEPS_ARM64V8=$BUILD_DEPS_ARM64V8
ENV BUILD_DEPS=
ARG NGINX_BUILD_DEPS="\
# NGINX
alpine-sdk \
bash \
findutils \
gcc \
libc-dev \
libxml2-dev \
libxslt-dev \
linux-headers \
make \
openssl-dev \
pcre-dev \
zlib-dev \
# OPENRESTY PATCHES
git \
"
ENV NGINX_BUILD_DEPS=$NGINX_BUILD_DEPS
####################################
# Build Nginx with support for LUA #
####################################
FROM base AS builder
# hadolint ignore=SC2086
RUN set -eux \
&& eval BUILD_DEPS="\$$(echo BUILD_DEPS_${ARCH} | tr '[:lower:]' '[:upper:]')" \
&& apk update \
&& apk add --no-cache \
$BUILD_DEPS \
$NGINX_BUILD_DEPS
COPY tpl/Makefile Makefile
COPY tpl/patches patches
RUN make deps \
&& make core \
&& make luarocks
##########################################
# Combine everything with minimal layers #
##########################################
FROM base
# http://label-schema.org/rc1/
LABEL maintainer="Fabio Cicerchia <[email protected]>" \
org.label-schema.build-date="${BUILD_DATE}" \
org.label-schema.description="Nginx ${VER_NGINX} with Lua support based on alpine (${ARCH}) 3.18.4." \
org.label-schema.docker.cmd="docker run -p 80:80 -d ${DOCKER_IMAGE}:${VER_NGINX}-alpine3.18.4" \
org.label-schema.name="${DOCKER_IMAGE}" \
org.label-schema.schema-version="1.0" \
org.label-schema.url="https://github.com/${DOCKER_IMAGE}" \
org.label-schema.vcs-ref=$VCS_REF \
org.label-schema.vcs-url="https://github.com/${DOCKER_IMAGE}" \
org.label-schema.version="${VER_NGINX}-alpine3.18.4" \
image.target.platform="${TARGETPLATFORM}" \
image.target.os="${TARGETOS}" \
image.target.arch="${ARCH}" \
versions.os="3.18.4" \
versions.luajit2="${VER_LUAJIT}" \
versions.luarocks="${VER_LUAROCKS}" \
versions.nginx="${VER_NGINX}" \
versions.ngx_devel_kit="${VER_NGX_DEVEL_KIT}" \
versions.njs="${VER_NJS}" \
versions.geoip="${VER_GEOIP}" \
versions.headers-more-nginx-module="${VER_OPENRESTY_HEADERS}" \
versions.lua-nginx-module="${VER_LUA_NGINX_MODULE}" \
versions.lua-resty-cookie="${VER_CLOUDFLARE_COOKIE}" \
versions.lua-resty-core="${VER_LUA_RESTY_CORE}" \
versions.lua-resty-dns="${VER_OPENRESTY_DNS}" \
versions.lua-resty-lrucache="${VER_LUA_RESTY_LRUCACHE}" \
versions.lua-resty-memcached="${VER_OPENRESTY_MEMCACHED}" \
versions.lua-resty-mysql="${VER_OPENRESTY_MYSQL}" \
versions.lua-resty-redis="${VER_OPENRESTY_REDIS}" \
versions.lua-resty-shell="${VER_OPENRESTY_SHELL}" \
versions.lua-resty-signal="${VER_OPENRESTY_SIGNAL}" \
versions.lua-resty-tablepool="${VER_OPENRESTY_TABLEPOOL}" \
versions.lua-resty-upstream-healthcheck="${VER_OPENRESTY_HEALTHCHECK}" \
versions.lua-resty-websocket="${VER_OPENRESTY_WEBSOCKET}" \
versions.lua-upstream="${VER_LUA_UPSTREAM}" \
versions.nginx-lua-prometheus="${VER_PROMETHEUS}" \
versions.set-misc-nginx=${VER_MISC_NGINX} \
versions.stream-lua-nginx-module="${VER_OPENRESTY_STREAMLUA}"
# wget is required due to https://github.com/luarocks/luarocks/issues/952
ARG PKG_DEPS="\
curl \
libmaxminddb-dev \
libxml2-dev \
openssl-dev \
pcre-dev \
unzip \
wget \
zlib-dev \
"
ENV PKG_DEPS=$PKG_DEPS
COPY --from=builder --chown=101:101 /etc/nginx /etc/nginx
COPY --from=builder --chown=101:101 /usr/local/lib /usr/local/lib
COPY --from=builder --chown=101:101 /usr/local/share/lua /usr/local/share/lua
COPY --from=builder --chown=101:101 /usr/sbin/nginx /usr/sbin/nginx
COPY --from=builder --chown=101:101 /usr/sbin/nginx-debug /usr/sbin/nginx-debug
COPY --from=builder --chown=101:101 /var/cache/nginx /var/cache/nginx
# luajit
COPY --from=builder --chown=101:101 /usr/local/lib/libluajit* /usr/local/lib/
COPY --from=builder --chown=101:101 /usr/local/lib/pkgconfig/luajit* /usr/local/lib/pkgconfig/
COPY --from=builder --chown=101:101 $LUAJIT_INC $LUAJIT_INC
COPY --from=builder --chown=101:101 /usr/local/bin/luajit* /usr/local/bin/
COPY --from=builder --chown=101:101 /usr/local/share/luajit* /usr/local/share/
COPY --from=builder --chown=101:101 /usr/local/share/man/man1/luajit* /usr/local/share/man/man1/
# luarocks
COPY --from=builder --chown=101:101 /usr/local/share/lua/5.1/luarocks /usr/local/share/lua/5.1/luarocks
COPY --from=builder --chown=101:101 /usr/local/bin/luarocks* /usr/local/bin/
COPY --from=builder --chown=101:101 /usr/local/etc/luarocks /usr/local/etc/luarocks
COPY --chown=101:101 tpl/??-*.sh /docker-entrypoint.d/
COPY --chown=101:101 tpl/default.conf /etc/nginx/conf.d/default.conf
COPY --chown=101:101 tpl/docker-entrypoint.sh /
COPY --chown=101:101 tpl/nginx.conf /etc/nginx/nginx.conf
COPY --chown=101:101 tpl/support.sh /
SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
# hadolint ignore=SC2086
RUN set -eux \
&& apk update \
&& apk add --no-cache --virtual .pkg_deps \
$PKG_DEPS \
&& mkdir -p /var/log/nginx \
# Fix LUA alias
&& ln -sf /usr/local/bin/luajit /usr/local/bin/lua
RUN set -x \
# create nginx user/group first, to be consistent throughout docker variants
&& addgroup -g 101 -S nginx \
&& adduser -S -D -H -u 101 -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx \
# COMMENTED OUT FROM ORIGINAL DOCKERFILE: https://github.com/nginxinc/docker-nginx/blob/1.23.2/mainline/alpine/Dockerfile
# REASON: No need to use the existing distributed package as the binary is recompiled.
# && apkArch="$(cat /etc/apk/arch)" \
# && nginxPackages=" \
# nginx=${NGINX_VERSION}-r${PKG_RELEASE} \
# nginx-module-xslt=${NGINX_VERSION}-r${PKG_RELEASE} \
# nginx-module-geoip=${NGINX_VERSION}-r${PKG_RELEASE} \
# nginx-module-image-filter=${NGINX_VERSION}-r${PKG_RELEASE} \
# nginx-module-njs=${NGINX_VERSION}.${NJS_VERSION}-r${PKG_RELEASE} \
# " \
# # install prerequisites for public key and pkg-oss checks
# && apk add --no-cache --virtual .checksum-deps \
# openssl \
# && case "$apkArch" in \
# x86_64|aarch64) \
# # arches officially built by upstream
# set -x \
# && KEY_SHA512="e09fa32f0a0eab2b879ccbbc4d0e4fb9751486eedda75e35fac65802cc9faa266425edf83e261137a2f4d16281ce2c1a5f4502930fe75154723da014214f0655" \
# && wget -O /tmp/nginx_signing.rsa.pub https://nginx.org/keys/nginx_signing.rsa.pub \
# && if echo "$KEY_SHA512 */tmp/nginx_signing.rsa.pub" | sha512sum -c -; then \
# echo "key verification succeeded!"; \
# mv /tmp/nginx_signing.rsa.pub /etc/apk/keys/; \
# else \
# echo "key verification failed!"; \
# exit 1; \
# fi \
# && apk add -X "https://nginx.org/packages/mainline/alpine/v$(egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release)/main" --no-cache $nginxPackages \
# ;; \
# *) \
# # we're on an architecture upstream doesn't officially build for
# # let's build binaries from the published packaging sources
# set -x \
# && tempDir="$(mktemp -d)" \
# && chown nobody:nobody $tempDir \
# && apk add --no-cache --virtual .build-deps \
# gcc \
# libc-dev \
# make \
# openssl-dev \
# pcre2-dev \
# zlib-dev \
# linux-headers \
# bash \
# alpine-sdk \
# findutils \
# && su nobody -s /bin/sh -c " \
# export HOME=${tempDir} \
# && cd ${tempDir} \
# && curl -f -O https://hg.nginx.org/pkg-oss/archive/${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
# && PKGOSSCHECKSUM=\"52a80f6c3b3914462f8a0b2fbadea950bcd79c1bd528386aff4c28d5a80c6920d783575a061a47b60fea800eef66bf5a0178a137ea51c37277fe9c2779715990 *${NGINX_VERSION}-${PKG_RELEASE}.tar.gz\" \
# && if [ \"\$(openssl sha512 -r ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz)\" = \"\$PKGOSSCHECKSUM\" ]; then \
# echo \"pkg-oss tarball checksum verification succeeded!\"; \
# else \
# echo \"pkg-oss tarball checksum verification failed!\"; \
# exit 1; \
# fi \
# && tar xzvf ${NGINX_VERSION}-${PKG_RELEASE}.tar.gz \
# && cd pkg-oss-${NGINX_VERSION}-${PKG_RELEASE} \
# && cd alpine \
# && make base \
# && apk index -o ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz ${tempDir}/packages/alpine/${apkArch}/*.apk \
# && abuild-sign -k ${tempDir}/.abuild/abuild-key.rsa ${tempDir}/packages/alpine/${apkArch}/APKINDEX.tar.gz \
# " \
# && cp ${tempDir}/.abuild/abuild-key.rsa.pub /etc/apk/keys/ \
# && apk del .build-deps \
# && apk add -X ${tempDir}/packages/alpine/ add--no-cache $nginxPackages \
# ;; \
# esac \
# # remove checksum deps
# && apk del .checksum-deps \
# # if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
# && if [ -n "$tempDir" ]; then rm -rf "$tempDir"; fi \
# && if [ -n "/etc/apk/keys/abuild-key.rsa.pub" ]; then rm -f /etc/apk/keys/abuild-key.rsa.pub; fi \
# && if [ -n "/etc/apk/keys/nginx_signing.rsa.pub" ]; then rm -f /etc/apk/keys/nginx_signing.rsa.pub; fi \
# Bring in gettext so we can get `envsubst`, then throw
# the rest away. To do this, we need to install `gettext`
# then move `envsubst` out of the way so `gettext` can
# be deleted completely, then move `envsubst` back.
&& apk add --no-cache --virtual .gettext gettext \
&& mv /usr/bin/envsubst /tmp/ \
\
&& runDeps="$( \
scanelf --needed --nobanner /tmp/envsubst \
| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
| sort -u \
| xargs -r apk info --installed \
| sort -u \
)" \
&& apk add --no-cache $runDeps \
&& apk del .gettext \
&& mv /tmp/envsubst /usr/local/bin/ \
# Bring in tzdata so users could set the timezones through the environment
# variables
&& apk add --no-cache tzdata \
# 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
# Upgrade software to latest version
# ##############################################################################
RUN apk upgrade
# smoke test
# ##############################################################################
RUN envsubst -V \
&& nginx -V \
&& nginx -t \
&& luajit -v \
&& lua -v \
&& luarocks --version
EXPOSE 80 443
HEALTHCHECK --interval=30s --timeout=3s CMD curl --fail http://localhost/ || exit 1
# Override stop signal to stop process gracefully
STOPSIGNAL SIGQUIT
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["nginx", "-g", "daemon off;"]