Add file 'README.install-notify_push'.

README.install-notify_push

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+#!/usr/bin/env bash
+
+# ---
+# Nextcloud High Performance Backend für Dateien (notify_push) einrichten
+# ---
+
+
+# see:
+#     https://github.com/nextcloud/notify_push
+#     https://apfelcast.com/nextcloud-high-performance-backend-fuer-dateien-einrichten-schritt-fuer-schritt-anleitung/
+#     https://www.youtube.com/watch?v=jMCI7hFAU1Y
+
+HTTP_USER="www-data"
+
+PHP_BIN="/usr/local/php/bin/php"
+
+PHP_VERSION=8.3
+
+# 0   Requirements
+# ================
+#
+#     - Nextcloud auf LAMP/LEMP Stack
+#       LAMP - (Linux Apache MySQL PHP)
+#       LEMP - (Linux Nginx MySQL PHP)
+#
+#     - Redis Memory Caching Service
+
+WEBSITE="cloud-test.oopen.de"
+WEBSITE="cloud-02-test.oopen.de"
+WEBSITE="cloud-01.oopen.de"
+
+WEB_BASE_DIR="/var/www/${WEBSITE}"
+NC_INSTALL_DIR="${WEB_BASE_DIR}/nextcloud"
+
+IPv4="$(dig +short "${WEBSITE}" A)"
+IPv6="$(dig +short "${WEBSITE}" AAAA)"
+
+# 1   Install NC App 'Client Push"
+# ================================
+#
+#     Instead of using the 'occ' command, the 'Client Push' APP 
+#     can also be installed via the Nextcloud web interface (Nextcloud Appstore).
+#
+sudo -u ${HTTP_USER} ${PHP_BIN} ${WEB_BASE_DIR}/htdocs/occ app:install notify_push
+
+
+# 2   Configure ReversProxy 
+# =========================
+#
+
+# 2a  Apache
+#
+a2enmod proxy
+a2enmod proxy_http
+a2enmod proxy_wstunnel
+
+
+# Add to your apache2 vhost configuration
+#
+#   ProxyPass /push/ws ws://127.0.0.1:7867/ws
+#   ProxyPass /push/ http://127.0.0.1:7867/
+#   ProxyPassReverse /push/ http://127.0.0.1:7867/
+
+
+# restart apache2
+#
+systemctl restart apache2
+
+
+# 2b  Nginx
+
+# Add to your nginx vhost configuration
+#
+#   location ^~ /push/ {
+#      proxy_pass http://127.0.0.1:7867/;
+#      proxy_http_version 1.1;
+#      proxy_set_header Upgrade $http_upgrade;
+#      proxy_set_header Connection "Upgrade";
+#      proxy_set_header Host $host;
+#      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+#   }
+
+# reload nginx
+#
+nginx -s reload
+
+
+# 3   Configure NC - add truzsted proxy (IPv4 AND if exists IPv6 address to trusted proxies)
+# ==========================================================================================
+#
+#     'trusted_proxies' =>
+#     array (
+#        0 => '${IPv4}',
+#        1 => '${IPv6}',
+#     )
+_parameter="trusted_proxies"
+_type="string"
+_value="${IPv4}"
+sudo -u ${HTTP_USER} ${PHP_BIN} ${WEB_BASE_DIR}/htdocs/occ config:system:set ${_parameter} 0 \
+   --value="${_value}" --type="${_type}"
+
+_value="${IPv6}"
+sudo -u ${HTTP_USER} ${PHP_BIN} ${WEB_BASE_DIR}/htdocs/occ config:system:set ${_parameter} 1 \
+   --value="${_value}" --type="${_type}"
+
+systemctl restart php-${PHP_VERSION}-fpm
+
+
+# 4   Create Service 'notify_push'
+# ================================
+#
+cat <<EOF > /etc/systemd/system/notify_push.service
+[Unit]
+Description = Push daemon for Nextcloud clients
+Documentation=https://github.com/nextcloud/notify_push
+
+[Service]
+# Change if you already have something running on this port
+Environment=PORT=7867
+Environment=NEXTCLOUD_URL=https://${WEBSITE}
+ExecStart=${NC_INSTALL_DIR}/apps/notify_push/bin/x86_64/notify_push ${NC_INSTALL_DIR}/config/config.php
+# requires the push server to have been build with the systemd feature (enabled by default)
+Type=notify
+User=${HTTP_USER}
+Restart=always
+RestartSec=60
+
+[Install]
+WantedBy = multi-user.target
+EOF
+
+# enable service at boot time
+#
+systemctl daemon-reload
+systemctl enable --now notify_push
+systemctl start notify_push
+
+
+# 5.  Testing and final Nextcloud configuration
+# =============================================
+#
+sudo -u ${HTTP_USER} ${PHP_BIN} ${WEB_BASE_DIR}/htdocs/occ notify_push:setup
+
+
+systemctl restart php-8.3-fpm.service