PHP - Xdebug 3 Configuration

Readme.md

Install xdebug on docker image

install-php-extensions xdebug

Dockerfile

FROM php:7.4-fpm-alpine

RUN mkdir -p /app

# Set working directory
WORKDIR /app

COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/

RUN chmod +x /usr/local/bin/install-php-extensions \
    && sync \
#     && install-php-extensions @composer xdebug gd pdo_mysql mysqli zip exif \
    && install-php-extensions @composer gd pdo_mysql mysqli zip exif \
    && rm -rf /var/cache/apk/*

# Copy composer.lock and composer.json
COPY . /app

# Copy existing application directory contents
RUN chown -R www-data:www-data /app/
USER www-data

# Expose port 9000 and start php-fpm server
EXPOSE 9000
ENTRYPOINT ["php-fpm"]

xdebug.ini

[xdebug]
xdebug.mode=debug
xdebug.start_with_request=yes
xdebug.client_host=localhost