パッケージから入れようと思ってたが、某氏より「ひどい目に合うから本体だけはソースにしとけ」と言われたのもあって、そのようにしてみる

pkgにはphp83があるが、NextCloudはphp8.2までの対応なので注意
nextcloud本体もpkgで入れれば動くかもしれないが今回はソースからなので8.2を入れます

# pkg search -d nextcloud-php82
nextcloud-php82-27.0.0
Comment        : Collaboration platform which runs on your own server
Depends on     :
        php82-session-8.2.7
        php82-opcache-8.2.7
        php82-xsl-8.2.7
        php82-xmlwriter-8.2.7
        php82-xmlreader-8.2.7
        php82-xml-8.2.7
        php82-simplexml-8.2.7
        php82-dom-8.2.7
        php82-ctype-8.2.7
        php82-posix-8.2.7
        php82-fileinfo-8.2.7
        php82-filter-8.2.7
        php82-ldap-8.2.7
        php82-gmp-8.2.7
        php82-bcmath-8.2.7
        php82-8.2.7
        php82-gd-8.2.7
        php82-exif-8.2.7
        php82-curl-8.2.7
        php82-sysvsem-8.2.7
        php82-pcntl-8.2.7
        php82-intl-8.2.7
        php82-pecl-APCu-5.1.22
        gettext-runtime-0.21.1
        php82-pdo_mysql-8.2.7    <- これは外す
        php82-pdo-8.2.7
        php82-mbstring-8.2.7
        php82-iconv-8.2.7
        php82-zlib-8.2.7
        php82-zip-8.2.7
        php82-bz2-8.2.7

DBにはPostgreSQLを使う

# pkg search -d php82-pdo_pgsql
php82-pdo_pgsql-8.2.7
Comment        : The pdo_pgsql shared extension for php
Depends on     :
        php82-8.2.7
        postgresql13-client-13.11
        php82-pdo-8.2.7

phpが13までなのでPostgreSQLは13系列を入れる
webサーバはNginxにする

という事で入れていく
まずはphp関連

# pkg install  php82 php82-session php82-opcache php82-xsl php82-xmlwriter php82-xmlreader php82-xml php82-simplexml php82-dom php82-ctype php82-posix php82-fileinfo php82-filter php82-ldap php82-gmp php82-bcmath php82-gd php82-exif php82-curl php82-sysvsem php82-pcntl php82-intl php82-pecl-APCu gettext-runtime php82-pdo php82-mbstring php82-iconv php82-zlib php82-zip php82-bz2

  New packages to be INSTALLED:
        brotli: 1.0.9,1
        cyrus-sasl: 2.1.28
        expat: 2.5.0
        fontconfig: 2.14.2,1
        freetype2: 2.12.1_2
        giflib: 5.2.1
        gmp: 6.2.1
        icu: 73.2,1
        jbigkit: 2.1_1
        jpeg-turbo: 2.1.5.1
        libargon2: 20190702
        libdeflate: 1.18
        libgcrypt: 1.10.2
        libgd: 2.3.3_5,1
        libgpg-error: 1.47
        libiconv: 1.17
        liblz4: 1.9.4,1
        libxml2: 2.10.4
        libxslt: 1.1.37
        libzip: 1.10.0
        oniguruma: 6.9.8_1
        openldap26-client: 2.6.4
        pcre2: 10.42
        php82: 8.2.7
        php82-bcmath: 8.2.7
        php82-bz2: 8.2.7
        php82-ctype: 8.2.7
        php82-curl: 8.2.7
        php82-dom: 8.2.7
        php82-exif: 8.2.7
        php82-fileinfo: 8.2.7
        php82-filter: 8.2.7
        php82-gd: 8.2.7
        php82-gmp: 8.2.7
        php82-iconv: 8.2.7
        php82-intl: 8.2.7
        php82-ldap: 8.2.7
        php82-mbstring: 8.2.7
        php82-opcache: 8.2.7
        php82-pcntl: 8.2.7
        php82-pdo: 8.2.7
        php82-pecl-APCu: 5.1.22
        php82-posix: 8.2.7
        php82-session: 8.2.7
        php82-simplexml: 8.2.7
        php82-sysvsem: 8.2.7
        php82-xml: 8.2.7
        php82-xmlreader: 8.2.7
        php82-xmlwriter: 8.2.7
        php82-xsl: 8.2.7
        php82-zip: 8.2.7
        php82-zlib: 8.2.7
        png: 1.6.39
        readline: 8.2.1
        tiff: 4.4.0_1
        webp: 1.3.0_1
        zstd: 1.5.5

Number of packages to be installed: 57

The process will require 167 MiB more space.
7 MiB to be downloaded.

お次に、Nginx

# pkg install nginx memcached php82-pdo_pgsql php82-pgsql
New packages to be INSTALLED:
      libevent: 2.1.12
      memcached: 1.6.21
      nginx: 1.24.0_6,3
      php82-pdo_pgsql: 8.2.7
      php82-pgsql: 8.2.7
      postgresql13-client: 13.11

Number of packages to be installed: 6

The process will require 17 MiB more space.

GitHUBまたはNextCloud公式サーバからソースを持ってきて、/usr/local/wwwに展開しておく

# cd /usr/local/www
# curl -OL https://github.com/nextcloud/server/archive/refs/tags/v27.0.1.tar.gz
# tar -xzf v27.0.1.tar.gz
または 
# curl -OL https://download.nextcloud.com/server/releases/nextcloud-27.0.1.tar.bz2
# tar -xjf nextcloud-27.0.1.tar.bz2
# chown -R www:www nextcloud