# Dockerfile - buildpack-deps
# https://github.com/openresty/docker-openresty

ARG RESTY_IMAGE_BASE="buildpack-deps"
ARG RESTY_IMAGE_TAG="bookworm"

FROM ${RESTY_IMAGE_BASE}:${RESTY_IMAGE_TAG}

LABEL maintainer="Evan Wies <evan@neomantra.net>"

# RESTY_DEB_FLAVOR build argument is used to select other
# OpenResty Debian package variants.
# For example: "-debug" or "-valgrind"
ARG RESTY_DEB_FLAVOR=""
ARG RESTY_DEB_VERSION="=1.27.1.2-1~bookworm1"
ARG RESTY_APT_REPO="https://openresty.org/package/debian"
ARG RESTY_APT_PGP="https://openresty.org/package/pubkey.gpg"
ARG RESTY_APT_ARCH="amd64"
ARG RESTY_IMAGE_BASE="buildpack-deps"
ARG RESTY_IMAGE_TAG="bookworm"

ARG RESTY_LUAROCKS_VERSION="3.12.2"

LABEL resty_image_base="${RESTY_IMAGE_BASE}"
LABEL resty_image_tag="${RESTY_IMAGE_TAG}"
LABEL resty_apt_repo="${RESTY_APT_REPO}"
LABEL resty_apt_pgp="${RESTY_APT_PGP}"
LABEL resty_apt_arch="${RESTY_APT_ARCH}"
LABEL resty_deb_flavor="${RESTY_DEB_FLAVOR}"
LABEL resty_deb_version="${RESTY_DEB_VERSION}"
LABEL resty_luarocks_version="${RESTY_LUAROCKS_VERSION}}"

# Install OpenResty
RUN wget -qO - ${RESTY_APT_PGP} | gpg --dearmor > /etc/apt/trusted.gpg.d/openresty-keyring.gpg \
    && chown root:root /etc/apt/trusted.gpg.d/openresty-keyring.gpg \
    && chmod ugo+r /etc/apt/trusted.gpg.d/openresty-keyring.gpg \
    && chmod go-w /etc/apt/trusted.gpg.d/openresty-keyring.gpg \
    && echo "deb [arch=$RESTY_APT_ARCH signed-by=/etc/apt/trusted.gpg.d/openresty-keyring.gpg] $RESTY_APT_REPO $(grep -Po 'VERSION="[0-9]+ \(\K[^)]+' /etc/os-release) openresty" | tee /etc/apt/sources.list.d/openresty.list \
    && DEBIAN_FRONTEND=noninteractive apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
        openresty${RESTY_DEB_FLAVOR}${RESTY_DEB_VERSION} \
        openresty-resty${RESTY_DEB_FLAVOR}${RESTY_DEB_VERSION} \
        openresty-opm${RESTY_DEB_FLAVOR}${RESTY_DEB_VERSION} \
        openresty-openssl3${RESTY_DEB_FLAVOR}-dev \
        openresty-pcre2${RESTY_DEB_FLAVOR}-dev \
        openresty-zlib${RESTY_DEB_FLAVOR}-dev \
    && mkdir -p /var/run/openresty \
    && ln -sf /dev/stdout /usr/local/openresty${RESTY_DEB_FLAVOR}/nginx/logs/access.log \
    && ln -sf /dev/stderr /usr/local/openresty${RESTY_DEB_FLAVOR}/nginx/logs/error.log

# Install LuaRocks
RUN  curl -fSL https://luarocks.github.io/luarocks/releases/luarocks-${RESTY_LUAROCKS_VERSION}.tar.gz -o luarocks-${RESTY_LUAROCKS_VERSION}.tar.gz \
    && tar xzf luarocks-${RESTY_LUAROCKS_VERSION}.tar.gz \
    && cd luarocks-${RESTY_LUAROCKS_VERSION} \
    && ./configure \
        --prefix=/usr/local/openresty/luajit \
        --with-lua=/usr/local/openresty/luajit \
        --with-lua-include=/usr/local/openresty/luajit/include/luajit-2.1 \
    && make build \
    && make install \
    && cd /tmp \
    && rm -rf luarocks-${RESTY_LUAROCKS_VERSION} luarocks-${RESTY_LUAROCKS_VERSION}.tar.gz

# Add additional binaries into PATH for convenience
ENV PATH="$PATH:/usr/local/openresty${RESTY_DEB_FLAVOR}/luajit/bin:/usr/local/openresty${RESTY_DEB_FLAVOR}/nginx/sbin:/usr/local/openresty${RESTY_DEB_FLAVOR}/bin"

# Add LuaRocks paths
# If OpenResty changes, these may need updating:
#    /usr/local/openresty/bin/resty -e 'print(package.path)'
#    /usr/local/openresty/bin/resty -e 'print(package.cpath)'
ENV LUA_PATH="/usr/local/openresty/site/lualib/?.ljbc;/usr/local/openresty/site/lualib/?/init.ljbc;/usr/local/openresty/lualib/?.ljbc;/usr/local/openresty/lualib/?/init.ljbc;/usr/local/openresty/site/lualib/?.lua;/usr/local/openresty/site/lualib/?/init.lua;/usr/local/openresty/lualib/?.lua;/usr/local/openresty/lualib/?/init.lua;./?.lua;/usr/local/openresty/luajit/share/luajit-2.1/?.lua;/usr/local/share/lua/5.1/?.lua;/usr/local/share/lua/5.1/?/init.lua;/usr/local/openresty/luajit/share/lua/5.1/?.lua;/usr/local/openresty/luajit/share/lua/5.1/?/init.lua"
ENV LUA_CPATH="/usr/local/openresty/site/lualib/?.so;/usr/local/openresty/lualib/?.so;./?.so;/usr/local/lib/lua/5.1/?.so;/usr/local/openresty/luajit/lib/lua/5.1/?.so;/usr/local/lib/lua/5.1/loadall.so;/usr/local/openresty/luajit/lib/lua/5.1/?.so"

# Copy nginx configuration files
COPY nginx.conf /usr/local/openresty${RESTY_DEB_FLAVOR}/nginx/conf/nginx.conf
COPY nginx.vh.default.conf /etc/nginx/conf.d/default.conf

CMD ["/usr/bin/openresty", "-g", "daemon off;"]

# Use SIGQUIT instead of default SIGTERM to cleanly drain requests
# See https://github.com/openresty/docker-openresty/blob/master/README.md#tips--pitfalls
STOPSIGNAL SIGQUIT