# Copyright (c) 2020 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Adapted from the upstream Dockerfile because they haven't kept up with
# recent releases.

# Force a new build: Mon Sep  9 03:32:20 PM UTC 2024

# Etherpad Lite Dockerfile
#
# https://github.com/ether/etherpad-lite
#
# Author: muxator

# We set defaults here so that we can make use of them in different
# stages of the multi stage build.
ARG EP_DIR=/opt/etherpad-lite
ARG SETTINGS=./settings.json.docker
ARG ETHERPAD_PLUGINS="ep_headings2"

FROM node:22-bookworm-slim AS adminBuild
ARG EP_DIR
WORKDIR "${EP_DIR}"

RUN export DEBIAN_FRONTEND=noninteractive; \
    apt-get -qq update && \
    apt-get -qq dist-upgrade && \
    apt-get -qq --no-install-recommends install ca-certificates git && \
    apt-get -qq clean && \
    rm -rf /var/lib/apt/lists/*
RUN npm install -g pnpm@9.0.4
RUN git clone https://github.com/ether/etherpad-lite ${EP_DIR}
RUN git checkout v2.2.5
RUN pnpm install
RUN pnpm run build:ui


FROM node:22-bookworm-slim AS build
LABEL maintainer="infra-root@openstack.org"

# Set these arguments when building the image from behind a proxy
ARG http_proxy=
ARG https_proxy=
ARG no_proxy=

ARG TIMEZONE=

RUN \
  [ -z "${TIMEZONE}" ] || { \
    ln -sf /usr/share/zoneinfo/"${TIMEZONE#/usr/share/zoneinfo/}" /etc/localtime; \
    dpkg-reconfigure -f noninteractive tzdata; \
  }
ENV TIMEZONE=${TIMEZONE}

# Control the configuration file to be copied into the container.
# We bind mount over this file
ARG SETTINGS

# plugins to install while building the container. By default no plugins are
# installed.
# If given a value, it has to be a space-separated, quoted list of plugin names.
#
# EXAMPLE:
#   ETHERPAD_PLUGINS="ep_codepad ep_author_neat"
ARG ETHERPAD_PLUGINS

# local plugins to install while building the container. By default no plugins are
# installed.
# If given a value, it has to be a space-separated, quoted list of plugin names.
#
# EXAMPLE:
#   ETHERPAD_LOCAL_PLUGINS="../ep_my_plugin ../ep_another_plugin"
ARG ETHERPAD_LOCAL_PLUGINS=

# github plugins to install while building the container. By default no plugins are
# installed.
# If given a value, it has to be a space-separated, quoted list of plugin names.
#
# EXAMPLE:
#   ETHERPAD_GITHUB_PLUGINS="ether/ep_plugin"
ARG ETHERPAD_GITHUB_PLUGINS=

# Control whether abiword will be installed, enabling exports to DOC/PDF/ODT formats.
# By default, it is not installed.
# If given any value, abiword will be installed.
#
# EXAMPLE:
#   INSTALL_ABIWORD=true
ARG INSTALL_ABIWORD=

# Control whether libreoffice will be installed, enabling exports to DOC/PDF/ODT formats.
# By default, it is not installed.
# If given any value, libreoffice will be installed.
#
# EXAMPLE:
#   INSTALL_LIBREOFFICE=true
ARG INSTALL_SOFFICE=

# Follow the principle of least privilege: run as unprivileged user.
#
# Running as non-root enables running this image in platforms like OpenShift
# that do not allow images running as root.
#
# If any of the following args are set to the empty string, default
# values will be chosen.
ARG EP_HOME=
ARG EP_UID=5001
ARG EP_GID=0
ARG EP_SHELL=

RUN groupadd --system ${EP_GID:+--gid "${EP_GID}" --non-unique} etherpad && \
    useradd --system ${EP_UID:+--uid "${EP_UID}" --non-unique} --gid etherpad \
        ${EP_HOME:+--home-dir "${EP_HOME}"} --create-home \
        ${EP_SHELL:+--shell "${EP_SHELL}"} etherpad

ARG EP_DIR
RUN mkdir -p "${EP_DIR}" && chown etherpad:etherpad "${EP_DIR}"

# the mkdir is needed for configuration of openjdk-11-jre-headless, see
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863199
RUN export DEBIAN_FRONTEND=noninteractive; \
    mkdir -p /usr/share/man/man1 && \
    npm install pnpm@9.0.4 -g  && \
    apt-get -qq update && \
    apt-get -qq dist-upgrade && \
    apt-get -qq --no-install-recommends install \
        ca-certificates \
        curl \
        git \
        ${INSTALL_ABIWORD:+abiword} \
        ${INSTALL_SOFFICE:+libreoffice} \
        && \
    apt-get -qq clean && \
    rm -rf /var/lib/apt/lists/*

USER etherpad

RUN git clone https://github.com/ether/etherpad-lite ${EP_DIR}
WORKDIR "${EP_DIR}"
RUN git checkout v2.2.5

FROM build AS development
ARG ETHERPAD_PLUGINS

# This copy is not necessary as we clone and checkout in the build image
# COPY --chown=etherpad:etherpad ./src/ ./src/
COPY --chown=etherpad:etherpad --from=adminbuild /opt/etherpad-lite/src/ templates/admin./src/templates/admin
COPY --chown=etherpad:etherpad --from=adminbuild /opt/etherpad-lite/src/static/oidc ./src/static/oidc

RUN bin/installDeps.sh && \
    if [ ! -z "${ETHERPAD_PLUGINS}" ] || [ ! -z "${ETHERPAD_LOCAL_PLUGINS}" ] || [ ! -z "${ETHERPAD_GITHUB_PLUGINS}" ]; then \
        pnpm run plugins i ${ETHERPAD_PLUGINS} ${ETHERPAD_LOCAL_PLUGINS:+--path ${ETHERPAD_LOCAL_PLUGINS}} ${ETHERPAD_GITHUB_PLUGINS:+--github ${ETHERPAD_GITHUB_PLUGINS}}; \
    fi


FROM build AS production
ARG EP_DIR
ARG SETTINGS
ARG ETHERPAD_PLUGINS

ENV NODE_ENV=production
ENV ETHERPAD_PRODUCTION=true

# This copy is not necessary as we clone and checkout in the build image
# COPY --chown=etherpad:etherpad ./src/ ./src/
COPY --chown=etherpad:etherpad --from=adminbuild /opt/etherpad-lite/src/templates/admin ./src/templates/admin
COPY --chown=etherpad:etherpad --from=adminbuild /opt/etherpad-lite/src/static/oidc ./src/static/oidc

RUN bin/installDeps.sh && rm -rf ~/.npm && rm -rf ~/.local && rm -rf ~/.cache && \
    if [ ! -z "${ETHERPAD_PLUGINS}" ] || [ ! -z "${ETHERPAD_LOCAL_PLUGINS}" ] || [ ! -z "${ETHERPAD_GITHUB_PLUGINS}" ]; then \
      pnpm run plugins i ${ETHERPAD_PLUGINS} ${ETHERPAD_LOCAL_PLUGINS:+--path ${ETHERPAD_LOCAL_PLUGINS}} ${ETHERPAD_GITHUB_PLUGINS:+--github ${ETHERPAD_GITHUB_PLUGINS}}; \
    fi

# Copy the configuration file.
COPY --chown=etherpad:etherpad ${SETTINGS} "${EP_DIR}"/settings.json

# Fix group permissions
RUN chmod -R g=u .

USER etherpad

HEALTHCHECK --interval=5s --timeout=3s \
  CMD curl --silent http://localhost:9001/health | grep -E "pass|ok|up" > /dev/null || exit 1

EXPOSE 9001
CMD ["pnpm", "run", "prod"]