apt install docker.io
apt installdocker-compose
vi docker-compose.yml
docker-compose up -d

version: '2'

volumes:
  nextcloud:
  db:

services:
  db:
    image: mariadb
    restart: always
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW --innodb-file-per-table=1 --skip-innodb-read-only-compressed
    volumes:
      - /docker/mariadb/var/lib/mysql:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=password999
      - MYSQL_PASSWORD=password998
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud

  app:
    image: nextcloud
    restart: always
    ports:
      - 8880:80
    links:
      - db
    volumes:
      - /docker/nextcloud/var/www/html:/var/www/html
    environment:
      - MYSQL_PASSWORD=password998
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_HOST=db
      - OVERWRITEHOST=cloud.liutyi.info
      - OVERWRITEPROTOCOL=https
      - NEXTCLOUD_ADMIN_USER=user1
      - NEXTCLOUD_ADMIN_PASSWORD=password997

docker-compose logs app
docker-compose logs db

docker exec -it root_app_1 bash

apt update
apt install imagemagick ffmpeg

vi docker-compose.yml

   image: nextcloud:22.2.3 

docker-compose down ; docker-compose up -d --build --force-recreate; docker-compose logs --follow # Update Nextcloud

apt install ffmpeg

docker exec -it root_app_1 bash

/etc/apt/sources.list

deb http://deb.debian.org/debian bullseye main contrib non-free
deb-src http://deb.debian.org/debian bullseye main contrib non-free

deb http://deb.debian.org/debian-security/ bullseye-security main contrib non-free
deb-src http://deb.debian.org/debian-security/ bullseye-security main contrib non-free

deb http://deb.debian.org/debian bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian bullseye-updates main contrib non-free

vim /etc/apt/sources.list
apt-get update
apt-get install build-essential autoconf libtool git-core vim wget
apt-get build-dep imagemagick libmagickcore-dev libde265 libheif
cd /usr/src/
git clone https://github.com/strukturag/libde265.git
git clone https://github.com/strukturag/libheif.git
cd libde265/
./autogen.sh
./configure
make
make install
cd /usr/src/libheif/
./autogen.sh
./configure
make
make install
cd /usr/src/
wget https://www.imagemagick.org/download/ImageMagick.tar.gz
tar xf ImageMagick.tar.gz
cd ImageMagick-7*
./configure --with-heic=yes
make
make install
ldconfig

sudo apt install php-imagick
cd /usr/src/ 
wget http://pecl.php.net/get/imagick-3.6.0.tgz
tar -xvzf imagick-3.6.0.tgz
cd imagick-3.6.0/
phpize
./configure
make
make install

php -r 'phpinfo();' |grep ImageMagick 

ImageMagick number of supported formats:  => 263
ImageMagick supported formats => 3FR, 3G2, 3GP, A, AAI, AI, APNG, ART, ARW, ASHLAR, AVI, AVIF, AVS, B, BGR, BGRA, BGRO, BIE, BMP, BMP2, BMP3, BRF, C, CAL, CALS, CANVAS, CAPTION, CIN, CIP, CLIP, CMYK, CMYKA, CR2, CR3, CRW, CUBE, CUR, CUT, DATA, DCM, DCR, DCRAW, DCX, DDS, DFONT, DJVU, DNG, DPX, DXT1, DXT5, EPDF, EPI, EPS, EPS2, EPS3, EPSF, EPSI, EPT, EPT2, EPT3, ERF, EXR, FARBFELD, FAX, FF, FILE, FITS, FL32, FLV, FRACTAL, FTP, FTS, G, G3, G4, GIF, GIF87, GRADIENT, GRAY, GRAYA, GROUP4, HALD, HDR, HEIC, HEIF, HISTOGRAM, HRZ, HTM, HTML, HTTP, HTTPS, ICB, ICO, ICON, IIQ, INFO, INLINE, IPL, ISOBRL, ISOBRL6, J2C, J2K, JBG, JBIG, JNG, JNX, JP2, JPC, JPE, JPEG, JPG, JPM, JPS, JPT, JSON, K, K25, KDC, LABEL, M, M2V, M4V, MAC, MAP, MASK, MAT, MATTE, MEF, MIFF, MKV, MNG, MONO, MOV, MP4, MPC, MPEG, MPG, MRW, MSL, MSVG, MTV, MVG, NEF, NRW, NULL, O, ORA, ORF, OTB, OTF, PAL, PALM, PAM, PANGO, PATTERN, PBM, PCD, PCDS, PCL, PCT, PCX, PDB, PDF, PDFA, PEF, PES, PFA, PFB, PFM, PGM, PGX, PHM, PICON, PICT, PIX, PJPEG, PLASMA, PNG, PNG00, PNG24, PNG32, PNG48, PNG64, PNG8, PNM, POCKETMOD, PPM, PS, PS2, PS3, PSB, PSD, PTIF, PWP, R, RADIAL-GRADIENT, RAF, RAS, RAW, RGB, RGB565, RGBA, RGBO, RGF, RLA, RLE, RMF, RW2, SCR, SCREENSHOT, SCT, SFW, SGI, SHTML, SIX, SIXEL, SPARSE-COLOR, SR2, SRF, STEGANO, SUN, SVG, SVGZ, TEXT, TGA, THUMBNAIL, TIFF, TIFF64, TILE, TIM, TM2, TTC, TTF, TXT, UBRL, UBRL6, UIL, UYVY, VDA, VICAR, VID, VIFF, VIPS, VST, WBMP, WEBM, WEBP, WMV, WPG, X, X3F, XBM, XC, XCF, XPM, XPS, XV, XWD, Y, YAML, YCbCr, YCbCrA, YUV

convert  -version

Version: ImageMagick 7.1.0-15 Q16-HDRI x86_64 2021-11-20 https://imagemagick.org
Copyright: (C) 1999-2021 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC HDRI OpenMP(4.5)
Delegates (built-in): bzlib djvu fontconfig freetype heic jbig jng jp2 jpeg lcms lqr lzma openexr pangocairo png tiff webp x xml zlib
Compiler: gcc (10.2)

ffmpeg

ffmpeg version 4.3.3-0+deb11u1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10 (Debian 10.2.1-6)
  configuration: --prefix=/usr --extra-version=0+deb11u1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Hyper fast Audio and Video encoder

root@cbb066faa521:/var/www/html# sudo -u www-data /bin/bash -c "PHP_MEMORY_LIMIT=512M ./occ preview:generate-all -vvv"