Dockerfile

# ALPINE - PHP
ARG ALPINE_VERSION=3.20
ARG PHP_VERSION=8.3

FROM alpine:${ALPINE_VERSION}
FROM php:${PHP_VERSION}-fpm-alpine

# Setup unique user and group - needs bash
RUN apk add --no-cache bash

ARG UID
ARG GID
ENV UID=${UID}
ENV GID=${GID}

RUN addgroup -g ${GID} --system docker
RUN adduser -G docker --system -D -s /bin/sh -u ${UID} docker

# Create project root
RUN mkdir -p /var/www/htdocs

WORKDIR /var/www/htdocs

# Install main packages and remove default server definition
ENV PHP_V="php83"

RUN apk add --no-cache \
  curl \
  wget \
  openssl \
  nginx \
  zip \
  nano \
  git \
  supervisor

RUN set -xe \
    && apk add --no-cache --virtual .build-deps \
        libzip-dev \
        freetype-dev \
        icu-dev \
        libmcrypt-dev \
        libjpeg-turbo-dev \
        libpng-dev \
        libxslt-dev \
        patch \
        openssh-client

# Install PHP and its extensions packages and remove default server definition
RUN apk add --no-cache \
  ${PHP_V} \
  ${PHP_V}-cli \
  ${PHP_V}-ctype \
  ${PHP_V}-curl \
  ${PHP_V}-dom \
  ${PHP_V}-fileinfo \
  ${PHP_V}-fpm \
  ${PHP_V}-gd \
  ${PHP_V}-intl \
  ${PHP_V}-mbstring \
  ${PHP_V}-opcache \
  ${PHP_V}-openssl \
  ${PHP_V}-phar \
  ${PHP_V}-session \
  ${PHP_V}-tokenizer \
  ${PHP_V}-soap \
  ${PHP_V}-xml \
  ${PHP_V}-xmlreader \
  ${PHP_V}-xmlwriter \
  ${PHP_V}-simplexml \
  ${PHP_V}-zip \
  # Databases
  ${PHP_V}-pdo \
  ${PHP_V}-pdo_sqlite \
  ${PHP_V}-sqlite3 \
  ${PHP_V}-pdo_mysql \
  ${PHP_V}-mysqlnd \
  ${PHP_V}-mysqli \
  ${PHP_V}-pdo_pgsql \
  ${PHP_V}-pgsql \
  ${PHP_V}-mongodb \
  ${PHP_V}-redis

# PHP requires these extension from Docker
RUN docker-php-ext-install pdo pdo_mysql gd

# PHP PECL extensions
RUN apk add \
  ${PHP_V}-pecl-amqp \
  ${PHP_V}-pecl-xdebug

# Configure nginx - http
COPY config/nginx.conf /etc/nginx/nginx.conf

# Configure nginx - default server
COPY config/conf.d /etc/nginx/conf.d/

# Configure PHP-FPM
COPY config/fpm-pool.conf /etc/${PHP_V}/php-fpm.d/www.conf
COPY config/php.ini /etc/${PHP_V}/conf.d/custom.ini

# Configure XDebug - optional
#COPY config/xdebug.ini /etc/${PHP_V}/conf.d/xdebug.ini

# Configure supervisord
COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Make sure files/folders needed by the processes are accessable when they run under the nobody user
RUN chown -R docker.docker /var/www/htdocs /run /var/lib/nginx /var/log/nginx

# PHP Composer
COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer

# Create symlink for php
RUN ln -s -f /usr/bin/${PHP_V} /usr/bin/php

# Switch to use a non-root user from here on
USER docker

# Add application
COPY --chown=docker.docker ../ /var/www/htdocs/

# Expose port/s Nginx will listen - Add more as required: (9003 - Xdebug)
EXPOSE 80 443 9003

# Let supervisord start nginx & php-fpm
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]