MBCDN

docker run -dit -p 80:80 nextcloud

Ubuntu 16.04

apt install apache2
apt install php7.0 libapache2-mod-php7.0 php7.0-intl php7.0-gd php7.0-json php7.0-mysql php7.0-common php7.0-curl php7.0-mbstring php7.0-mcrypt php7.0-xml php-imagick php7.0-zip
apt install mysql-server

MySQL starten und als root einloggen.

CREATE DATABASE nextcloud;
GRANT ALL PRIVILEGES ON nextcloud.* TO 'nextcloud'@'localhost' IDENTIFIED BY 'P@$$W0RD';
FLUSH PRIVILEGES;
exit;

Install nextcloud

cd /var/www
wget https://download.nextcloud.com/server/releases/latest-14.zip
unzip latest-14.zip
rm html
mv nextcloud html
chown -R www-data:www-data html
rm latest-14.zip

Modify /etc/apache2/sites-available/default-ssl.conf.

<VirtualHost *:80>
ServerAdmin admin@domain.com
DocumentRoot /var/www/html
ServerName localhost
ServerAlias domain.com

<Directory /var/www/html/>
    Options +FollowSymlinks
    AllowOverride All

    <IfModule mod_dav.c>
        Dav off
    </IfModule>

    SetEnv HOME /var/www/nextcloud
    SetEnv HTTP_HOME /var/www/nextcloud
</Directory>

Mods aktivieren

a2enmod rewrite headers env dir mime

Apache neu starten und Webinterface aufrufen.

server {
    listen 443 ssl http2;
    server_name cloud.domain.local;

    # SSL-Zertifikate
    ssl_certificate /certs/certnew.pem;  # Dein Kombizertifikat (Server + CA)
    ssl_certificate_key /certs/server.key;  # Dein privater Schlüssel

    # SSL-Optimierung
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    add_header Content-Security-Policy "form-action 'self' https://cloud.domain.local;";

    # HSTS - Nur aktivieren, wenn HTTPS funktioniert!
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Proxy für Nextcloud (läuft lokal auf 8080)
    location / {
        proxy_pass http://localhost:8080;  # Hier wird der lokale Nextcloud-Server angesprochen
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Port 443;
        proxy_set_header X-Forwarded-Ssl on;
    }

    # Weiterleitung von WebSockets für Nextcloud
    location ~ ^/nextcloud/(.*\.php|.*\.js|.*\.css|.*\.html|.*\.json|.*\.woff|.*\.svg|.*\.ttf|.*\.woff2)$ {
        proxy_pass http://localhost:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Port 443;
        proxy_set_header X-Forwarded-Ssl on;
    }

    # Zugriffssteuerung (Standard-Dateien blockieren)
    location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)/ {
        deny all;
    }

    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) {
        deny all;
    }
}

# HTTP auf HTTPS weiterleiten
server {
    listen 80;
    server_name cloud.domain.local;
    return 301 https://$host$request_uri;
}

• https://nextcloud.com/
• https://www.rosehosting.com/blog/how-to-install-nextcloud-14-on-ubuntu-16-04/