docker-php-nginx/Dockerfile

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FROM alpine:3.14
LABEL Maintainer="Tim de Pater <code@trafex.nl>"
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LABEL Description="Lightweight container with Nginx 1.20 & PHP 8.0 based on Alpine Linux."
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# Install packages and remove default server definition
RUN apk --no-cache add \
curl \
nginx \
php8 \
php8-ctype \
php8-curl \
php8-dom \
php8-fpm \
php8-gd \
php8-intl \
php8-json \
php8-mbstring \
php8-mysqli \
php8-opcache \
php8-openssl \
php8-phar \
php8-session \
php8-xml \
php8-xmlreader \
php8-zlib \
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supervisor
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# Create symlink so programs depending on `php` still function
RUN ln -s /usr/bin/php8 /usr/bin/php
# Configure nginx
COPY config/nginx.conf /etc/nginx/nginx.conf
# Configure PHP-FPM
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COPY config/fpm-pool.conf /etc/php8/php-fpm.d/www.conf
COPY config/php.ini /etc/php8/conf.d/custom.ini
# Configure supervisord
COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
# Setup document root
RUN mkdir -p /var/www/html
# Make sure files/folders needed by the processes are accessable when they run under the nobody user
RUN chown -R nobody.nobody /var/www/html && \
chown -R nobody.nobody /run && \
chown -R nobody.nobody /var/lib/nginx && \
chown -R nobody.nobody /var/log/nginx
# Switch to use a non-root user from here on
USER nobody
# Add application
WORKDIR /var/www/html
COPY --chown=nobody src/ /var/www/html/
# Expose the port nginx is reachable on
EXPOSE 8080
# Let supervisord start nginx & php-fpm
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]
# Configure a healthcheck to validate that everything is up&running
HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8080/fpm-ping