Runs update.sh

37 files changed, 1482 insertions, 0 deletions

diff --git a/20.0-rc/apache/Dockerfile b/20.0-rc/apache/Dockerfile
new file mode 100644
index 00000000..d38a27e6
--- /dev/null
+++ b/20.0-rc/apache/Dockerfile
@@ -0,0 +1,150 @@
+# DO NOT EDIT: created by update.sh from Dockerfile-debian.template
+FROM php:7.4-apache-buster
+
+# entrypoint.sh and cron.sh dependencies
+RUN set -ex; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        rsync \
+        bzip2 \
+        busybox-static \
+    ; \
+    rm -rf /var/lib/apt/lists/*; \
+    \
+    mkdir -p /var/spool/cron/crontabs; \
+    echo '*/5 * * * * php -f /var/www/html/cron.php' > /var/spool/cron/crontabs/www-data
+
+# install the PHP extensions we need
+# see https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html
+RUN set -ex; \
+    \
+    savedAptMark="$(apt-mark showmanual)"; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        libcurl4-openssl-dev \
+        libevent-dev \
+        libfreetype6-dev \
+        libicu-dev \
+        libjpeg-dev \
+        libldap2-dev \
+        libmcrypt-dev \
+        libmemcached-dev \
+        libpng-dev \
+        libpq-dev \
+        libxml2-dev \
+        libmagickwand-dev \
+        libzip-dev \
+        libwebp-dev \
+        libgmp-dev \
+    ; \
+    \
+    debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
+    docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp; \
+    docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
+    docker-php-ext-install -j "$(nproc)" \
+        bcmath \
+        exif \
+        gd \
+        intl \
+        ldap \
+        opcache \
+        pcntl \
+        pdo_mysql \
+        pdo_pgsql \
+        zip \
+        gmp \
+    ; \
+    \
+# pecl will claim success even if one install fails, so we need to perform each install separately
+    pecl install APCu-5.1.19; \
+    pecl install memcached-3.1.5; \
+    pecl install redis-5.3.2; \
+    pecl install imagick-3.4.4; \
+    \
+    docker-php-ext-enable \
+        apcu \
+        memcached \
+        redis \
+        imagick \
+    ; \
+    \
+# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+    apt-mark auto '.*' > /dev/null; \
+    apt-mark manual $savedAptMark; \
+    ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+        | awk '/=>/ { print $3 }' \
+        | sort -u \
+        | xargs -r dpkg-query -S \
+        | cut -d: -f1 \
+        | sort -u \
+        | xargs -rt apt-mark manual; \
+    \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+    rm -rf /var/lib/apt/lists/*
+
+# set recommended PHP.ini settings
+# see https://docs.nextcloud.com/server/12/admin_manual/configuration_server/server_tuning.html#enable-php-opcache
+RUN { \
+        echo 'opcache.enable=1'; \
+        echo 'opcache.interned_strings_buffer=8'; \
+        echo 'opcache.max_accelerated_files=10000'; \
+        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.save_comments=1'; \
+        echo 'opcache.revalidate_freq=1'; \
+    } > /usr/local/etc/php/conf.d/opcache-recommended.ini; \
+    \
+    echo 'apc.enable_cli=1' >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini; \
+    \
+    echo 'memory_limit=512M' > /usr/local/etc/php/conf.d/memory-limit.ini; \
+    \
+    mkdir /var/www/data; \
+    chown -R www-data:root /var/www; \
+    chmod -R g=u /var/www
+
+VOLUME /var/www/html
+
+RUN a2enmod headers rewrite remoteip ;\
+    {\
+     echo RemoteIPHeader X-Real-IP ;\
+     echo RemoteIPTrustedProxy 10.0.0.0/8 ;\
+     echo RemoteIPTrustedProxy 172.16.0.0/12 ;\
+     echo RemoteIPTrustedProxy 192.168.0.0/16 ;\
+    } > /etc/apache2/conf-available/remoteip.conf;\
+    a2enconf remoteip
+
+ENV NEXTCLOUD_VERSION 20.0.5RC1
+
+RUN set -ex; \
+    fetchDeps=" \
+        gnupg \
+        dirmngr \
+    "; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends $fetchDeps; \
+    \
+    curl -fsSL -o nextcloud.tar.bz2 \
+        "https://download.nextcloud.com/server/prereleases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc \
+        "https://download.nextcloud.com/server/prereleases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc"; \
+    export GNUPGHOME="$(mktemp -d)"; \
+# gpg key from https://nextcloud.com/nextcloud.asc
+    gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
+    gpg --batch --verify nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    tar -xjf nextcloud.tar.bz2 -C /usr/src/; \
+    gpgconf --kill all; \
+    rm nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    rm -rf "$GNUPGHOME" /usr/src/nextcloud/updater; \
+    mkdir -p /usr/src/nextcloud/data; \
+    mkdir -p /usr/src/nextcloud/custom_apps; \
+    chmod +x /usr/src/nextcloud/occ; \
+    \
+    apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false $fetchDeps; \
+    rm -rf /var/lib/apt/lists/*
+
+COPY *.sh upgrade.exclude /
+COPY config/* /usr/src/nextcloud/config/
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["apache2-foreground"]
diff --git a/20.0-rc/apache/config/apache-pretty-urls.config.php b/20.0-rc/apache/config/apache-pretty-urls.config.php
new file mode 100644
index 00000000..72da1d8c
--- /dev/null
+++ b/20.0-rc/apache/config/apache-pretty-urls.config.php
@@ -0,0 +1,4 @@
+<?php
+$CONFIG = array (
+  'htaccess.RewriteBase' => '/',
+);
diff --git a/20.0-rc/apache/config/apcu.config.php b/20.0-rc/apache/config/apcu.config.php
new file mode 100644
index 00000000..69fed876
--- /dev/null
+++ b/20.0-rc/apache/config/apcu.config.php
@@ -0,0 +1,4 @@
+<?php
+$CONFIG = array (
+  'memcache.local' => '\OC\Memcache\APCu',
+);
diff --git a/20.0-rc/apache/config/apps.config.php b/20.0-rc/apache/config/apps.config.php
new file mode 100644
index 00000000..a4bed833
--- /dev/null
+++ b/20.0-rc/apache/config/apps.config.php
@@ -0,0 +1,15 @@
+<?php
+$CONFIG = array (
+  "apps_paths" => array (
+      0 => array (
+              "path"     => OC::$SERVERROOT."/apps",
+              "url"      => "/apps",
+              "writable" => false,
+      ),
+      1 => array (
+              "path"     => OC::$SERVERROOT."/custom_apps",
+              "url"      => "/custom_apps",
+              "writable" => true,
+      ),
+  ),
+);
diff --git a/20.0-rc/apache/config/autoconfig.php b/20.0-rc/apache/config/autoconfig.php
new file mode 100644
index 00000000..5bb85d42
--- /dev/null
+++ b/20.0-rc/apache/config/autoconfig.php
@@ -0,0 +1,27 @@
+<?php
+
+$autoconfig_enabled = false;
+
+if (getenv('SQLITE_DATABASE')) {
+    $AUTOCONFIG["dbtype"] = "sqlite";
+    $AUTOCONFIG["dbname"] = getenv('SQLITE_DATABASE');
+    $autoconfig_enabled = true;
+} elseif (getenv('MYSQL_DATABASE') && getenv('MYSQL_USER') && getenv('MYSQL_PASSWORD') && getenv('MYSQL_HOST')) {
+    $AUTOCONFIG["dbtype"] = "mysql";
+    $AUTOCONFIG["dbname"] = getenv('MYSQL_DATABASE');
+    $AUTOCONFIG["dbuser"] = getenv('MYSQL_USER');
+    $AUTOCONFIG["dbpass"] = getenv('MYSQL_PASSWORD');
+    $AUTOCONFIG["dbhost"] = getenv('MYSQL_HOST');
+    $autoconfig_enabled = true;
+} elseif (getenv('POSTGRES_DB') && getenv('POSTGRES_USER') && getenv('POSTGRES_PASSWORD') && getenv('POSTGRES_HOST')) {
+    $AUTOCONFIG["dbtype"] = "pgsql";
+    $AUTOCONFIG["dbname"] = getenv('POSTGRES_DB');
+    $AUTOCONFIG["dbuser"] = getenv('POSTGRES_USER');
+    $AUTOCONFIG["dbpass"] = getenv('POSTGRES_PASSWORD');
+    $AUTOCONFIG["dbhost"] = getenv('POSTGRES_HOST');
+    $autoconfig_enabled = true;
+}
+
+if ($autoconfig_enabled) {
+    $AUTOCONFIG["directory"] = getenv('NEXTCLOUD_DATA_DIR') ?: "/var/www/html/data";
+}
diff --git a/20.0-rc/apache/config/redis.config.php b/20.0-rc/apache/config/redis.config.php
new file mode 100644
index 00000000..a5fde3c7
--- /dev/null
+++ b/20.0-rc/apache/config/redis.config.php
@@ -0,0 +1,17 @@
+<?php
+if (getenv('REDIS_HOST')) {
+  $CONFIG = array(
+    'memcache.distributed' => '\OC\Memcache\Redis',
+    'memcache.locking' => '\OC\Memcache\Redis',
+    'redis' => array(
+      'host' => getenv('REDIS_HOST'),
+      'password' => (string) getenv('REDIS_HOST_PASSWORD'),
+    ),
+  );
+
+  if (getenv('REDIS_HOST_PORT') !== false) {
+    $CONFIG['redis']['port'] = (int) getenv('REDIS_HOST_PORT');
+  } elseif (getenv('REDIS_HOST')[0] != '/') {
+    $CONFIG['redis']['port'] = 6379;
+  }
+}
diff --git a/20.0-rc/apache/config/reverse-proxy.config.php b/20.0-rc/apache/config/reverse-proxy.config.php
new file mode 100644
index 00000000..667be312
--- /dev/null
+++ b/20.0-rc/apache/config/reverse-proxy.config.php
@@ -0,0 +1,25 @@
+<?php
+$overwriteHost = getenv('OVERWRITEHOST');
+if ($overwriteHost) {
+  $CONFIG['overwritehost'] = $overwriteHost;
+}
+
+$overwriteProtocol = getenv('OVERWRITEPROTOCOL');
+if ($overwriteProtocol) {
+  $CONFIG['overwriteprotocol'] = $overwriteProtocol;
+}
+
+$overwriteWebRoot = getenv('OVERWRITEWEBROOT');
+if ($overwriteWebRoot) {
+  $CONFIG['overwritewebroot'] = $overwriteWebRoot;
+}
+
+$overwriteCondAddr = getenv('OVERWRITECONDADDR');
+if ($overwriteCondAddr) {
+  $CONFIG['overwritecondaddr'] = $overwriteCondAddr;
+}
+
+$trustedProxies = getenv('TRUSTED_PROXIES');
+if ($trustedProxies) {
+  $CONFIG['trusted_proxies'] = array_filter(array_map('trim', explode(' ', $trustedProxies)));
+}
diff --git a/20.0-rc/apache/config/s3.config.php b/20.0-rc/apache/config/s3.config.php
new file mode 100644
index 00000000..6376d8f6
--- /dev/null
+++ b/20.0-rc/apache/config/s3.config.php
@@ -0,0 +1,21 @@
+<?php
+if (getenv('OBJECTSTORE_S3_BUCKET')) {
+  $use_ssl = getenv('OBJECTSTORE_S3_SSL');
+  $use_path = getenv('OBJECTSTORE_S3_USEPATH_STYLE');
+  $CONFIG = array(
+    'objectstore' => array(
+      'class' => '\OC\Files\ObjectStore\S3',
+      'arguments' => array(
+        'bucket' => getenv('OBJECTSTORE_S3_BUCKET'),
+        'key' => getenv('OBJECTSTORE_S3_KEY') ?: '',
+        'secret' => getenv('OBJECTSTORE_S3_SECRET') ?: '',
+        'region' => getenv('OBJECTSTORE_S3_REGION') ?: '',
+        'hostname' => getenv('OBJECTSTORE_S3_HOST') ?: '',
+        'port' => getenv('OBJECTSTORE_S3_PORT') ?: '',
+        'use_ssl' => (strtolower($use_ssl) === 'false' || $use_ssl == false) ? false : true,
+        // required for some non Amazon S3 implementations
+        'use_path_style' => $use_path == true && strtolower($use_path) !== 'false'
+      )
+    )
+  );
+} 
diff --git a/20.0-rc/apache/config/smtp.config.php b/20.0-rc/apache/config/smtp.config.php
new file mode 100644
index 00000000..59f1eaa1
--- /dev/null
+++ b/20.0-rc/apache/config/smtp.config.php
@@ -0,0 +1,15 @@
+<?php
+if (getenv('SMTP_HOST') && getenv('MAIL_FROM_ADDRESS') && getenv('MAIL_DOMAIN')) {
+  $CONFIG = array (
+    'mail_smtpmode' => 'smtp',
+    'mail_smtphost' => getenv('SMTP_HOST'),
+    'mail_smtpport' => getenv('SMTP_PORT') ?: (getenv('SMTP_SECURE') ? 465 : 25),
+    'mail_smtpsecure' => getenv('SMTP_SECURE') ?: '',
+    'mail_smtpauth' => getenv('SMTP_NAME') && getenv('SMTP_PASSWORD'),
+    'mail_smtpauthtype' => getenv('SMTP_AUTHTYPE') ?: 'LOGIN',
+    'mail_smtpname' => getenv('SMTP_NAME') ?: '',
+    'mail_smtppassword' => getenv('SMTP_PASSWORD') ?: '',
+    'mail_from_address' => getenv('MAIL_FROM_ADDRESS'),
+    'mail_domain' => getenv('MAIL_DOMAIN'),
+  );
+}
diff --git a/20.0-rc/apache/config/swift.config.php b/20.0-rc/apache/config/swift.config.php
new file mode 100644
index 00000000..47ada566
--- /dev/null
+++ b/20.0-rc/apache/config/swift.config.php
@@ -0,0 +1,31 @@
+<?php
+if (getenv('OBJECTSTORE_SWIFT_URL')) {
+    $autocreate = getenv('OBJECTSTORE_SWIFT_AUTOCREATE');
+  $CONFIG = array(
+    'objectstore' => [
+      'class' => 'OC\\Files\\ObjectStore\\Swift',
+      'arguments' => [
+        'autocreate' => $autocreate == true && strtolower($autocreate) !== 'false',
+        'user' => [
+          'name' => getenv('OBJECTSTORE_SWIFT_USER_NAME'),
+          'password' => getenv('OBJECTSTORE_SWIFT_USER_PASSWORD'),
+          'domain' => [
+            'name' => (getenv('OBJECTSTORE_SWIFT_USER_DOMAIN')) ?: 'Default',
+          ],
+        ],
+        'scope' => [
+          'project' => [
+            'name' => getenv('OBJECTSTORE_SWIFT_PROJECT_NAME'),
+            'domain' => [
+              'name' => (getenv('OBJECTSTORE_SWIFT_PROJECT_DOMAIN')) ?: 'Default',
+            ],
+          ],
+        ],
+        'serviceName' => (getenv('OBJECTSTORE_SWIFT_SERVICE_NAME')) ?: 'swift',
+        'region' => getenv('OBJECTSTORE_SWIFT_REGION'),
+        'url' => getenv('OBJECTSTORE_SWIFT_URL'),
+        'bucket' => getenv('OBJECTSTORE_SWIFT_CONTAINER_NAME'),
+      ]
+    ]
+  );
+}
diff --git a/20.0-rc/apache/cron.sh b/20.0-rc/apache/cron.sh
new file mode 100755
index 00000000..4dfa4118
--- /dev/null
+++ b/20.0-rc/apache/cron.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -eu
+
+exec busybox crond -f -l 0 -L /dev/stdout
diff --git a/20.0-rc/apache/entrypoint.sh b/20.0-rc/apache/entrypoint.sh
new file mode 100755
index 00000000..bee572c2
--- /dev/null
+++ b/20.0-rc/apache/entrypoint.sh
@@ -0,0 +1,189 @@
+#!/bin/sh
+set -eu
+
+# version_greater A B returns whether A > B
+version_greater() {
+    [ "$(printf '%s\n' "$@" | sort -t '.' -n -k1,1 -k2,2 -k3,3 -k4,4 | head -n 1)" != "$1" ]
+}
+
+# return true if specified directory is empty
+directory_empty() {
+    [ -z "$(ls -A "$1/")" ]
+}
+
+run_as() {
+    if [ "$(id -u)" = 0 ]; then
+        su -p www-data -s /bin/sh -c "$1"
+    else
+        sh -c "$1"
+    fi
+}
+
+# usage: file_env VAR [DEFAULT]
+#    ie: file_env 'XYZ_DB_PASSWORD' 'example'
+# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
+#  "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
+file_env() {
+    local var="$1"
+    local fileVar="${var}_FILE"
+    local def="${2:-}"
+    local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
+    local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
+    if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
+        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
+        exit 1
+    fi
+    if [ -n "${varValue}" ]; then
+        export "$var"="${varValue}"
+    elif [ -n "${fileVarValue}" ]; then
+        export "$var"="$(cat "${fileVarValue}")"
+    elif [ -n "${def}" ]; then
+        export "$var"="$def"
+    fi
+    unset "$fileVar"
+}
+
+if expr "$1" : "apache" 1>/dev/null; then
+    if [ -n "${APACHE_DISABLE_REWRITE_IP+x}" ]; then
+        a2disconf remoteip
+    fi
+fi
+
+if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
+    if [ -n "${REDIS_HOST+x}" ]; then
+
+        echo "Configuring Redis as session handler"
+        {
+            file_env REDIS_HOST_PASSWORD
+            echo 'session.save_handler = redis'
+            # check if redis host is an unix socket path
+            if [ "$(echo "$REDIS_HOST" | cut -c1-1)" = "/" ]; then
+              if [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
+                echo "session.save_path = \"unix://${REDIS_HOST}?auth=${REDIS_HOST_PASSWORD}\""
+              else
+                echo "session.save_path = \"unix://${REDIS_HOST}\""
+              fi
+            # check if redis password has been set
+            elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
+                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+            else
+                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+            fi
+        } > /usr/local/etc/php/conf.d/redis-session.ini
+    fi
+
+    installed_version="0.0.0.0"
+    if [ -f /var/www/html/version.php ]; then
+        # shellcheck disable=SC2016
+        installed_version="$(php -r 'require "/var/www/html/version.php"; echo implode(".", $OC_Version);')"
+    fi
+    # shellcheck disable=SC2016
+    image_version="$(php -r 'require "/usr/src/nextcloud/version.php"; echo implode(".", $OC_Version);')"
+
+    if version_greater "$installed_version" "$image_version"; then
+        echo "Can't start Nextcloud because the version of the data ($installed_version) is higher than the docker image version ($image_version) and downgrading is not supported. Are you sure you have pulled the newest image version?"
+        exit 1
+    fi
+
+    if version_greater "$image_version" "$installed_version"; then
+        echo "Initializing nextcloud $image_version ..."
+        if [ "$installed_version" != "0.0.0.0" ]; then
+            echo "Upgrading nextcloud from $installed_version ..."
+            run_as 'php /var/www/html/occ app:list' | sed -n "/Enabled:/,/Disabled:/p" > /tmp/list_before
+        fi
+        if [ "$(id -u)" = 0 ]; then
+            rsync_options="-rlDog --chown www-data:root"
+        else
+            rsync_options="-rlD"
+        fi
+        rsync $rsync_options --delete --exclude-from=/upgrade.exclude /usr/src/nextcloud/ /var/www/html/
+
+        for dir in config data custom_apps themes; do
+            if [ ! -d "/var/www/html/$dir" ] || directory_empty "/var/www/html/$dir"; then
+                rsync $rsync_options --include "/$dir/" --exclude '/*' /usr/src/nextcloud/ /var/www/html/
+            fi
+        done
+        rsync $rsync_options --include '/version.php' --exclude '/*' /usr/src/nextcloud/ /var/www/html/
+        echo "Initializing finished"
+
+        #install
+        if [ "$installed_version" = "0.0.0.0" ]; then
+            echo "New nextcloud instance"
+
+            file_env NEXTCLOUD_ADMIN_PASSWORD
+            file_env NEXTCLOUD_ADMIN_USER
+
+            if [ -n "${NEXTCLOUD_ADMIN_USER+x}" ] && [ -n "${NEXTCLOUD_ADMIN_PASSWORD+x}" ]; then
+                # shellcheck disable=SC2016
+                install_options='-n --admin-user "$NEXTCLOUD_ADMIN_USER" --admin-pass "$NEXTCLOUD_ADMIN_PASSWORD"'
+                if [ -n "${NEXTCLOUD_DATA_DIR+x}" ]; then
+                    # shellcheck disable=SC2016
+                    install_options=$install_options' --data-dir "$NEXTCLOUD_DATA_DIR"'
+                fi
+
+                file_env MYSQL_DATABASE
+                file_env MYSQL_PASSWORD
+                file_env MYSQL_USER
+                file_env POSTGRES_DB
+                file_env POSTGRES_PASSWORD
+                file_env POSTGRES_USER
+
+                install=false
+                if [ -n "${SQLITE_DATABASE+x}" ]; then
+                    echo "Installing with SQLite database"
+                    # shellcheck disable=SC2016
+                    install_options=$install_options' --database-name "$SQLITE_DATABASE"'
+                    install=true
+                elif [ -n "${MYSQL_DATABASE+x}" ] && [ -n "${MYSQL_USER+x}" ] && [ -n "${MYSQL_PASSWORD+x}" ] && [ -n "${MYSQL_HOST+x}" ]; then
+                    echo "Installing with MySQL database"
+                    # shellcheck disable=SC2016
+                    install_options=$install_options' --database mysql --database-name "$MYSQL_DATABASE" --database-user "$MYSQL_USER" --database-pass "$MYSQL_PASSWORD" --database-host "$MYSQL_HOST"'
+                    install=true
+                elif [ -n "${POSTGRES_DB+x}" ] && [ -n "${POSTGRES_USER+x}" ] && [ -n "${POSTGRES_PASSWORD+x}" ] && [ -n "${POSTGRES_HOST+x}" ]; then
+                    echo "Installing with PostgreSQL database"
+                    # shellcheck disable=SC2016
+                    install_options=$install_options' --database pgsql --database-name "$POSTGRES_DB" --database-user "$POSTGRES_USER" --database-pass "$POSTGRES_PASSWORD" --database-host "$POSTGRES_HOST"'
+                    install=true
+                fi
+
+                if [ "$install" = true ]; then
+                    echo "starting nextcloud installation"
+                    max_retries=10
+                    try=0
+                    until run_as "php /var/www/html/occ maintenance:install $install_options" || [ "$try" -gt "$max_retries" ]
+                    do
+                        echo "retrying install..."
+                        try=$((try+1))
+                        sleep 10s
+                    done
+                    if [ "$try" -gt "$max_retries" ]; then
+                        echo "installing of nextcloud failed!"
+                        exit 1
+                    fi
+                    if [ -n "${NEXTCLOUD_TRUSTED_DOMAINS+x}" ]; then
+                        echo "setting trusted domains…"
+                        NC_TRUSTED_DOMAIN_IDX=1
+                        for DOMAIN in $NEXTCLOUD_TRUSTED_DOMAINS ; do
+                            DOMAIN=$(echo "$DOMAIN" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
+                            run_as "php /var/www/html/occ config:system:set trusted_domains $NC_TRUSTED_DOMAIN_IDX --value=$DOMAIN"
+                            NC_TRUSTED_DOMAIN_IDX=$(($NC_TRUSTED_DOMAIN_IDX+1))
+                        done
+                    fi
+                else
+                    echo "running web-based installer on first connect!"
+                fi
+            fi
+        #upgrade
+        else
+            run_as 'php /var/www/html/occ upgrade'
+
+            run_as 'php /var/www/html/occ app:list' | sed -n "/Enabled:/,/Disabled:/p" > /tmp/list_after
+            echo "The following apps have been disabled:"
+            diff /tmp/list_before /tmp/list_after | grep '<' | cut -d- -f2 | cut -d: -f1
+            rm -f /tmp/list_before /tmp/list_after
+
+        fi
+    fi
+fi
+
+exec "$@"
diff --git a/20.0-rc/apache/upgrade.exclude b/20.0-rc/apache/upgrade.exclude
new file mode 100644
index 00000000..354864da
--- /dev/null
+++ b/20.0-rc/apache/upgrade.exclude
@@ -0,0 +1,5 @@
+/config/
+/data/
+/custom_apps/
+/themes/
+/version.php
diff --git a/20.0-rc/fpm-alpine/Dockerfile b/20.0-rc/fpm-alpine/Dockerfile
new file mode 100644
index 00000000..56af6706
--- /dev/null
+++ b/20.0-rc/fpm-alpine/Dockerfile
@@ -0,0 +1,127 @@
+# DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
+FROM php:7.4-fpm-alpine3.12
+
+# entrypoint.sh and cron.sh dependencies
+RUN set -ex; \
+    \
+    apk add --no-cache \
+        rsync \
+    ; \
+    \
+    rm /var/spool/cron/crontabs/root; \
+    echo '*/5 * * * * php -f /var/www/html/cron.php' > /var/spool/cron/crontabs/www-data
+
+# install the PHP extensions we need
+# see https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html
+RUN set -ex; \
+    \
+    apk add --no-cache --virtual .build-deps \
+        $PHPIZE_DEPS \
+        autoconf \
+        freetype-dev \
+        icu-dev \
+        libevent-dev \
+        libjpeg-turbo-dev \
+        libmcrypt-dev \
+        libpng-dev \
+        libmemcached-dev \
+        libxml2-dev \
+        libzip-dev \
+        openldap-dev \
+        pcre-dev \
+        postgresql-dev \
+        imagemagick-dev \
+        libwebp-dev \
+        gmp-dev \
+    ; \
+    \
+    docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp; \
+    docker-php-ext-configure ldap; \
+    docker-php-ext-install -j "$(nproc)" \
+        bcmath \
+        exif \
+        gd \
+        intl \
+        ldap \
+        opcache \
+        pcntl \
+        pdo_mysql \
+        pdo_pgsql \
+        zip \
+        gmp \
+    ; \
+    \
+# pecl will claim success even if one install fails, so we need to perform each install separately
+    pecl install APCu-5.1.19; \
+    pecl install memcached-3.1.5; \
+    pecl install redis-5.3.2; \
+    pecl install imagick-3.4.4; \
+    \
+    docker-php-ext-enable \
+        apcu \
+        memcached \
+        redis \
+        imagick \
+    ; \
+    \
+    runDeps="$( \
+        scanelf --needed --nobanner --format '%n#p' --recursive /usr/local/lib/php/extensions \
+            | tr ',' '\n' \
+            | sort -u \
+            | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+    )"; \
+    apk add --virtual .nextcloud-phpext-rundeps $runDeps; \
+    apk del .build-deps
+
+# set recommended PHP.ini settings
+# see https://docs.nextcloud.com/server/12/admin_manual/configuration_server/server_tuning.html#enable-php-opcache
+RUN { \
+        echo 'opcache.enable=1'; \
+        echo 'opcache.interned_strings_buffer=8'; \
+        echo 'opcache.max_accelerated_files=10000'; \
+        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.save_comments=1'; \
+        echo 'opcache.revalidate_freq=1'; \
+    } > /usr/local/etc/php/conf.d/opcache-recommended.ini; \
+    \
+    echo 'apc.enable_cli=1' >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini; \
+    \
+    echo 'memory_limit=512M' > /usr/local/etc/php/conf.d/memory-limit.ini; \
+    \
+    mkdir /var/www/data; \
+    chown -R www-data:root /var/www; \
+    chmod -R g=u /var/www
+
+VOLUME /var/www/html
+
+
+ENV NEXTCLOUD_VERSION 20.0.5RC1
+
+RUN set -ex; \
+    apk add --no-cache --virtual .fetch-deps \
+        bzip2 \
+        gnupg \
+    ; \
+    \
+    curl -fsSL -o nextcloud.tar.bz2 \
+        "https://download.nextcloud.com/server/prereleases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc \
+        "https://download.nextcloud.com/server/prereleases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc"; \
+    export GNUPGHOME="$(mktemp -d)"; \
+# gpg key from https://nextcloud.com/nextcloud.asc
+    gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
+    gpg --batch --verify nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    tar -xjf nextcloud.tar.bz2 -C /usr/src/; \
+    gpgconf --kill all; \
+    rm nextcloud.tar.bz2.asc nextcloud.tar.bz2; \
+    rm -rf "$GNUPGHOME" /usr/src/nextcloud/updater; \<