Conversion from php8.0 version of this image

Dockerfile

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+FROM uqlibrary/alpine:3.18.4
+
+ENV COMPOSER_VERSION=2.2.22
+
+COPY ./fs/docker-entrypoint.sh /usr/sbin/docker-entrypoint.sh
+
+RUN apk upgrade --update --no-cache && \
+    apk add --update --no-cache \
+    ca-certificates \
+    curl \
+    bash \
+    git sqlite mysql-client libmemcached musl
+
+RUN apk add --update --no-cache \
+        php82-session php82-soap php82-openssl php82-gmp php82-pdo_odbc php82-json php82-dom php82-pdo php82-zip \
+        php82-mysqli php82-sqlite3 php82-pdo_pgsql php82-bcmath php82-gd php82-odbc php82-pdo_mysql php82-pdo_sqlite \
+        php82-gettext php82-xmlreader php82-xmlwriter php82-xml php82-simplexml php82-bz2 php82-iconv php82-xsl php82-sodium \
+        php82-pdo_dblib php82-curl php82-ctype php82-pcntl php82-posix php82-phar php82-opcache php82-mbstring php82-zlib \
+        php82-fileinfo php82-tokenizer php82-sockets php82-phar php82-intl php82-ldap php82-phpdbg php82-fpm php82 \
+    #
+    # Install PHP8.2 extensions XDebug, igbinary and memcached using packaged PECL builds
+    && apk add --update --no-cache php82-pecl-xdebug php82-pecl-igbinary php82-pecl-memcached \
+    #
+    # Add Postgresql Client
+    && apk add --update --no-cache postgresql-client \
+    #
+    # Add MySQL/MariaDB Client Lib
+    && apk add --update --no-cache mariadb-connector-c \
+    #
+    # Add media handling tools
+    && apk add --update --no-cache exiftool mediainfo \
+    #
+    # Add generic symlinks for php8 binaries
+    && ln -s phar82 /usr/bin/phar \
+    && ln -s php82 /usr/bin/php \
+    && ln -s phpdbg82 /usr/bin/phpdbg \
+    && ln -s php-fpm82 /usr/sbin/php-fpm \
+    && ln -s php82 /etc/php \
+    #
+    # Composer 2.x
+    && curl -sS https://getcomposer.org/installer | php82 -- --install-dir=/usr/bin --filename=composer --version=${COMPOSER_VERSION} \
+    #
+    # Remove build deps
+    && rm -rf /var/cache/apk/* \
+    #
+    # Make scripts executable
+    && chmod +x /usr/sbin/docker-entrypoint.sh
+
+ADD fs /
+
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+EXPOSE 9000
+
+WORKDIR /app

fs/docker-entrypoint.sh

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+#!/bin/sh
+
+if [ -f "/opt/bootstrap.sh" ]
+then
+    chmod +x /opt/bootstrap.sh
+    /opt/bootstrap.sh
+fi
+
+exec /usr/sbin/php-fpm8 -R --nodaemonize

fs/etc/php82/conf.d/00_opcache.ini

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+zend_extension=opcache
+
+opcache.memory_consumption=128
+opcache.interned_strings_buffer=8
+opcache.max_accelerated_files=10000
+opcache.revalidate_freq=60
+opcache.fast_shutdown=1
+opcache.enable_cli=1
+opcache.enable=1
+opcache.validate_timestamps=0
+opcache.max_wasted_percentage=10

fs/etc/php82/conf.d/50-setting.ini

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+date.timezone = "Australia/Brisbane"
+short_open_tag = Off
+session.auto_start = Off
+magic_quotes_gpc = Off
+register_globals = Off
+memory_limit = 256M

fs/etc/php82/conf.d/50_xdebug.ini

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+; Uncomment and configure mode https://xdebug.org/docs/all_settings#xdebug.mode
+zend_extension=xdebug.so
+
+xdebug.mode=debug
+xdebug.start_with_request=yes
+xdebug.remote_handler=dbgp
+xdebug.client_host=dbgpproxy
+xdebug.client_port=9000
+xdebug.idekey=PHPSTORM
+
+; General
+xdebug.max_nesting_level=1000

fs/etc/php82/php-fpm.conf

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+;;;;;;;;;;;;;;;;;;;;;
+; FPM Configuration ;
+;;;;;;;;;;;;;;;;;;;;;
+
+; All relative paths in this configuration file are relative to PHP's install
+; prefix (/usr). This prefix can be dynamically changed by using the
+; '-p' argument from the command line.
+
+;;;;;;;;;;;;;;;;;;
+; Global Options ;
+;;;;;;;;;;;;;;;;;;
+
+[global]
+; Pid file
+; Note: the default prefix is /var
+; Default Value: none
+;pid = run/php-fpm82.pid
+
+; Error log file
+; If it's set to "syslog", log is sent to syslogd instead of being written
+; into a local file.
+; Note: the default prefix is /var
+; Default Value: log/php82/error.log
+;error_log = log/php82/error.log
+error_log = /proc/self/fd/2
+
+; syslog_facility is used to specify what type of program is logging the
+; message. This lets syslogd specify that messages from different facilities
+; will be handled differently.
+; See syslog(3) for possible values (ex daemon equiv LOG_DAEMON)
+; Default Value: daemon
+;syslog.facility = daemon
+
+; syslog_ident is prepended to every message. If you have multiple FPM
+; instances running on the same server, you can change the default value
+; which must suit common needs.
+; Default Value: php-fpm82
+;syslog.ident = php-fpm82
+
+; Log level
+; Possible Values: alert, error, warning, notice, debug
+; Default Value: notice
+;log_level = notice
+log_level = error
+
+; Log limit on number of characters in the single line (log entry). If the
+; line is over the limit, it is wrapped on multiple lines. The limit is for
+; all logged characters including message prefix and suffix if present. However
+; the new line character does not count into it as it is present only when
+; logging to a file descriptor. It means the new line character is not present
+; when logging to syslog.
+; Default Value: 1024
+;log_limit = 4096
+
+; Log buffering specifies if the log line is buffered which means that the
+; line is written in a single write operation. If the value is false, then the
+; data is written directly into the file descriptor. It is an experimental
+; option that can potentially improve logging performance and memory usage
+; for some heavy logging scenarios. This option is ignored if logging to syslog
+; as it has to be always buffered.
+; Default value: yes
+;log_buffering = no
+
+; If this number of child processes exit with SIGSEGV or SIGBUS within the time
+; interval set by emergency_restart_interval then FPM will restart. A value
+; of '0' means 'Off'.
+; Default Value: 0
+;emergency_restart_threshold = 0
+
+; Interval of time used by emergency_restart_interval to determine when
+; a graceful restart will be initiated.  This can be useful to work around
+; accidental corruptions in an accelerator's shared memory.
+; Available Units: s(econds), m(inutes), h(ours), or d(ays)
+; Default Unit: seconds
+; Default Value: 0
+;emergency_restart_interval = 0
+
+; Time limit for child processes to wait for a reaction on signals from master.
+; Available units: s(econds), m(inutes), h(ours), or d(ays)
+; Default Unit: seconds
+; Default Value: 0
+;process_control_timeout = 0
+
+; The maximum number of processes FPM will fork. This has been designed to control
+; the global number of processes when using dynamic PM within a lot of pools.
+; Use it with caution.
+; Note: A value of 0 indicates no limit
+; Default Value: 0
+; process.max = 128
+
+; Specify the nice(2) priority to apply to the master process (only if set)
+; The value can vary from -19 (highest priority) to 20 (lowest priority)
+; Note: - It will only work if the FPM master process is launched as root
+;       - The pool process will inherit the master process priority
+;         unless specified otherwise
+; Default Value: no set
+; process.priority = -19
+
+; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
+; Default Value: yes
+;daemonize = yes
+
+; Set open file descriptor rlimit for the master process.
+; Default Value: system defined value
+;rlimit_files = 1024
+
+; Set max core size rlimit for the master process.
+; Possible Values: 'unlimited' or an integer greater or equal to 0
+; Default Value: system defined value
+;rlimit_core = 0
+
+; Specify the event mechanism FPM will use. The following is available:
+; - select     (any POSIX os)
+; - poll       (any POSIX os)
+; - epoll      (linux >= 2.5.44)
+; - kqueue     (FreeBSD >= 4.1, OpenBSD >= 2.9, NetBSD >= 2.0)
+; - /dev/poll  (Solaris >= 7)
+; - port       (Solaris >= 10)
+; Default Value: not set (auto detection)
+;events.mechanism = epoll
+
+; When FPM is built with systemd integration, specify the interval,
+; in seconds, between health report notification to systemd.
+; Set to 0 to disable.
+; Available Units: s(econds), m(inutes), h(ours)
+; Default Unit: seconds
+; Default value: 10
+;systemd_interval = 10
+
+;;;;;;;;;;;;;;;;;;;;
+; Pool Definitions ;
+;;;;;;;;;;;;;;;;;;;;
+
+; Multiple pools of child processes may be started with different listening
+; ports and different management options.  The name of the pool will be
+; used in logs and stats. There is no limitation on the number of pools which
+; FPM can handle. Your system will tell you anyway :)
+
+; Include one or more files. If glob(3) exists, it is used to include a bunch of
+; files from a glob(3) pattern. This directive can be used everywhere in the
+; file.
+; Relative path can also be used. They will be prefixed by:
+;  - the global prefix if it's been set (-p argument)
+;  - /usr otherwise
+include=/etc/php82/php-fpm.d/*.conf