###
### Meta Information
###
FROM localhost/debian

# deploy options
# -p (port) and -v (volume) both go host:container
LABEL config_default="\
-p 9080:80 \
-v $HOME/vol/nextcloud/files:/vol/files \
-v $HOME/vol/nextcloud/data:/vol/data \
--shm-size=1g"

# Build Variables
# uid that the files owner user should have
ARG FILESUID=5000
# database name and user
ENV DBUSER=ncadmin
ENV DBNAME=nextcloud

###
### General Setup
###

# install packages we want
RUN apt update -y && apt install -y apache2 php-fpm php-gd php-zip php-pgsql \
    php-curl php-mbstring php-intl php-imagick php-xml php-gmp php-json \
    redis php-redis postgresql postgresql-doc php-ldap php-bcmath cron


# put database variables in /etc/environment so anyone can access them
# also autodetect versions of php and postgres and put them in /etc/environment as well
RUN echo "DBUSER=$DBUSER" >> /etc/environment && \
    echo "DBNAME=$DBNAME" >> /etc/environment && \
    echo "PSQLV=$(psql -V | cut -d ' ' -f 3 | cut -d '.' -f 1)" >> /etc/environment && \
    echo "PHPV=$(echo $(php -r 'echo PHP_VERSION;') | cut -d '.' -f 1-2)" >> /etc/environment

# change www-data's UID to the file owner UID
RUN usermod --uid $FILESUID www-data && \
    groupmod --gid $FILESUID www-data && \
    chown -R www-data:www-data /var/www

# copy our custom scripts
COPY assets/bin/ /usr/local/bin/

# make sure volume dirs exist, and copy sample data
RUN mkdir -p /vol/data /vol/files

COPY --chown=www-data:www-data data/ /vol/data/

###
### PHP
###

# enable PHP interpreter
RUN systemctl enable php${PHPV:?}-fpm

# copy php configuration
COPY assets/php/ php/
RUN mv php/php.ini /etc/php/${PHPV:?}/fpm/ && \
    mv php/www.conf /etc/php/${PHPV:?}/fpm/pool.d/ && \
    rmdir php

###
### PostgreSQL ###
###

# configure PostgreSQL
COPY --chown=postgres:postgres assets/postgresql/ postgresql/
# If the posgresql.conf file contains multiple entries for the same parameter, all but the last one is ignored.
# So we can just append our settings to the already-existing postgresql.conf file.
RUN mv postgresql/pg_hba.conf /etc/postgresql/${PSQLV:?}/main/ && \
    cat postgresql/postgresql.conf >> /etc/postgresql/${PSQLV:?}/main/postgresql.conf && \
    rm -rf postgresql


###
### Apache
###

# enable modules we need
RUN a2enmod rewrite headers env dir mime proxy_fcgi && \
    a2enconf php${PHPV:?}-fpm

# copy site config
COPY assets/apache/nextcloud.conf /etc/apache2/sites-available/
RUN a2dissite 000-default && a2ensite nextcloud

###
### Redis
###

# copy redis config
COPY --chown=redis:redis assets/redis.conf /etc/redis/redis.conf

# add www-data to redis group so it can use the socket
RUN usermod -a -G redis www-data

###
### Nextcloud
###

# download nextcloud
COPY assets/nextcloud/ ./
RUN test -f latest.zip || \
    wget --progress=dot:giga https://download.nextcloud.com/server/releases/latest.zip

    
WORKDIR /var/www/html
RUN echo "Unzipping ..." && \
    unzip -q $HOME/latest.zip && \
    chown -R www-data:www-data nextcloud && \
    rm $HOME/latest.zip

# create data dir for nextcloud
RUN mkdir -p /vol/files && \
    chown -R www-data:www-data /vol/files

# copy nextcloud config
COPY --chown=www-data:www-data assets/config/ nextcloud/config/
# make link to host config & secret config
RUN cd nextcloud/config && \
    ln -s /vol/data/host.config.php && \
    ln -s /vol/data/secret.config.php

###
### DB Auto Load/Dump
###

# copy service
COPY assets/db-updown.service /etc/systemd/system/

# enable service
RUN systemctl enable db-updown.service

###
### Crontab
###
COPY assets/crontab /root/
# crontab for www-data
RUN crontab -u www-data /root/crontab

###
### Bugfix
###

# push the fixed systemd file for redis
COPY assets/bugfix/redis-server.service /etc/systemd/system/redis-server.service

COPY assets/bugfix/apache2.override /etc/systemd/system/apache2.service.d/override.conf

# bugfix for cron
COPY assets/bugfix/cronfix /root/
RUN chmod +x /root/cronfix && /root/cronfix

###
### Workdir
###

WORKDIR /vol/data