docs: add docker example

Signed-off-by: Varun Patil <[email protected]>

.examples/Docker/Dockerfile

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+# ==========================================================
+# Please see docker-compose.yml for usage information
+# ==========================================================
+
+FROM nextcloud:28-fpm
+
+RUN set -ex; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        ffmpeg \
+        libmagickcore-6.q16-6-extra \
+        procps \
+        supervisor \
+    ; \
+    rm -rf /var/lib/apt/lists/*
+
+# php-fpm configuration
+RUN echo 'pm.max_children = 16'        >> /usr/local/etc/php-fpm.d/zz-docker.conf && \
+    echo 'pm.max_spare_servers = 8'    >> /usr/local/etc/php-fpm.d/zz-docker.conf && \
+    echo 'pm.start_servers = 8'        >> /usr/local/etc/php-fpm.d/zz-docker.conf
+
+# Enable PHP 8 JIT
+RUN { \
+        echo 'opcache.jit=1255'; \
+        echo 'opcache.jit_buffer_size=256M'; \
+    } >> "${PHP_INI_DIR}/conf.d/opcache-recommended.ini";
+
+# Add preview generation cron job
+RUN echo '*/6 * * * * php -f /var/www/html/occ preview:pre-generate' >> /var/spool/cron/crontabs/www-data
+
+RUN mkdir -p \
+    /var/log/supervisord \
+    /var/run/supervisord \
+;
+
+COPY supervisord.conf /
+
+ENV NEXTCLOUD_UPDATE=1
+
+CMD /usr/bin/supervisord -c /supervisord.conf

.examples/Docker/docker-compose.yml

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+# ===================================================================================================================
+# READ THIS NOTICE BEFORE YOU PROCEED
+# ===================================================================================================================
+# This is an example docker compose file for running Nextcloud with Memories.
+# This file is provided as an example only and is not intended to be used as-is.
+# You will need all files in this directory for the example to work.
+#
+# 1. Make sure all placeholders are replaced with the correct values.
+# 2. Choose a strong password for the database.
+# 3. Use an appropriate nginx.conf, and adjust it according to your needs.
+#    If you intend to use a second reverse proxy for TLS, you can use this example:
+#    https://github.com/nextcloud/docker/blob/master/.examples/docker-compose/insecure/mariadb/fpm/web/nginx.conf
+#    In the example below, Nextcloud will be exposed on port 8500
+# 4. Make sure the Dockerfile uses the Nextcloud version you want to see (first line)
+# 5. Tune the PHP-FPM parameters in the Dockerfile according to your hardware
+# 6. The preview generator cron job is pre-configured, but you still need to install the app
+#    and do the initial generation run. https://github.com/nextcloud/previewgenerator
+# ===================================================================================================================
+
+version: '3.5'
+
+services:
+  db:
+    image: mariadb:11
+    restart: always
+    pull_policy: always
+    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
+    volumes:
+      - /ssd/nextcloud_mariadb:/var/lib/mysql
+    environment:
+      - MYSQL_ROOT_PASSWORD=my_root_password
+      - MYSQL_PASSWORD=my_password
+      - MYSQL_DATABASE=nextcloud
+      - MYSQL_USER=nextcloud
+      - MARIADB_AUTO_UPGRADE=1
+      - MARIADB_INITDB_SKIP_TZINFO=1
+
+  redis:
+    image: redis:alpine
+    pull_policy: always
+    restart: always
+
+  app:
+    build: .
+    restart: always
+    depends_on:
+      - db
+      - redis
+    volumes:
+      - /ssd/nextcloud:/var/www/html
+      - /hdd/nextcloud_data:/var/www/html/data
+
+      # Once Nextcloud is installed, you may move the app data folder to a faster storage
+      # and mount it here. This is optional, but recommended for better performance.
+      # The <instanceid> will depend on the particular Nextcloud instance.
+      # You will then need to make the same change in the cron service below.
+      # - /ssd/nc_appdata_<instanceid>:/var/www/html/data/appdata_<instanceid>
+    environment:
+      - NEXTCLOUD_TRUSTED_DOMAINS=my.nextcloud.domain
+      - TZ=America/Los_Angeles
+      - MYSQL_PASSWORD=my_password
+      - MYSQL_DATABASE=nextcloud
+      - MYSQL_USER=nextcloud
+      - MYSQL_HOST=db
+      - REDIS_HOST=redis
+      - OVERWRITEPROTOCOL=https
+      - PHP_MEMORY_LIMIT=1G
+      - PHP_UPLOAD_LIMIT=12G
+      - DEBIAN_FRONTEND=noninteractive
+
+  web:
+    image: nginx:alpine
+    pull_policy: always
+    restart: always
+    depends_on:
+      - app
+    ports:
+      - 127.0.0.1:8500:80
+    volumes:
+      - /ssd/nextcloud:/var/www/html:ro
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+
+  go-vod:
+    image: radialapps/go-vod
+    pull_policy: always
+    restart: always
+    depends_on:
+      - app
+    environment:
+      - NEXTCLOUD_HOST=https://your-nextcloud-url
+      # - NEXTCLOUD_ALLOW_INSECURE=1 # (self-signed certs or no HTTPS)
+      - NVIDIA_VISIBLE_DEVICES=all
+
+    volumes:
+      - /hdd/nextcloud_data:/var/www/html/data:ro
+
+    # Uncomment the following lines for QSV / VA-API:
+    # devices:
+    #  - /dev/dri:/dev/dri
+
+    # Uncomment the following lines for NVENC
+    # runtime: nvidia

.examples/Docker/supervisord.conf

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+[supervisord]
+nodaemon=true
+logfile=/var/log/supervisord/supervisord.log
+pidfile=/var/run/supervisord/supervisord.pid
+childlogdir=/var/log/supervisord/
+logfile_maxbytes=50MB                           ; maximum size of logfile before rotation
+logfile_backups=10                              ; number of backed up logfiles
+loglevel=error
+
+[program:php-fpm]
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+command=php-fpm
+
+[program:cron]
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+command=/cron.sh