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‎README.md‎

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# php-xdebug-docker
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Flip between non xdebug local dev (much fast) to xdebug local dev (not fast but much insights) at the flick of a cookie (single click via xdebug browser extension). by @jenkoian
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Setup
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1. Create a docker network:
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`docker network create --subnet=192.168.50.0/24 pxd-docker`
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2. Add `127.0.0.1 php-xdebug-docker` to your hosts file.
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3. Run `docker-compose up -d` to start the env

‎docker-compose.yml‎

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version: '3'
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services:
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app:
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build:
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context: docker/app
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dockerfile: Dockerfile
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args:
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USER_ID: ${USER_ID:-0}
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GROUP_ID: ${GROUP_ID:-0}
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env_file:
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- ./docker/app/.env
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volumes:
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- '.:/var/www/html/:delegated'
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app_xdebug:
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build:
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context: docker/app
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dockerfile: Dockerfile_xdebug
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args:
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USER_ID: ${USER_ID:-0}
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GROUP_ID: ${GROUP_ID:-0}
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env_file:
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- ./docker/app/.env
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volumes:
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- '.:/var/www/html/:delegated'
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nginx:
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image: nginx
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volumes:
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- '.:/var/www/html/'
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- './docker/nginx/nginx.conf:/etc/nginx/conf.d/default.conf'
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ports:
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- '127.0.0.1:80:80'
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networks:
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default:
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external:
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name: 'pxd-docker'

‎docker/app/.env‎

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PHP_XDEBUG_ENABLED=1
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PHP_XDEBUG_REMOTE_PORT=9002
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# Xdebug remote host likely 192.168.50.1 if on linux, use host.docker.internal on a Mac
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PHP_XDEBUG_REMOTE_HOST=192.168.50.1
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PHP_XDEBUG_IDKEY=pxd
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PHP_MEMORY_LIMIT=1G
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APP_ENV=dev
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PHP_IDE_CONFIG="serverName=pxd"

‎docker/app/Dockerfile‎

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FROM php:7.3-fpm
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ARG USER_ID
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ARG GROUP_ID
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RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
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userdel -f www-data &&\
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if getent group www-data ; then groupdel www-data; fi &&\
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groupadd -g ${GROUP_ID} www-data &&\
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useradd -l -u ${USER_ID} -g www-data www-data &&\
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install -d -m 0755 -o www-data -g www-data /home/www-data\
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;fi
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COPY ./php/php.ini /usr/local/etc/php/conf.d/zzz_app.ini
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RUN rm -rf /var/lib/apt/lists/*
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WORKDIR /var/www/html
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RUN chown -R www-data:www-data /var/www
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EXPOSE 9000
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CMD ["php-fpm"]

‎docker/app/Dockerfile_xdebug‎

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FROM php:7.3-fpm
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ARG USER_ID
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ARG GROUP_ID
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# Xdebug
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RUN pecl install xdebug && docker-php-ext-enable xdebug
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RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
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userdel -f www-data &&\
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if getent group www-data ; then groupdel www-data; fi &&\
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groupadd -g ${GROUP_ID} www-data &&\
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useradd -l -u ${USER_ID} -g www-data www-data &&\
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install -d -m 0755 -o www-data -g www-data /home/www-data\
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;fi
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COPY ./php/xdebug.ini /usr/local/etc/php/conf.d/xdebug.ini
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COPY ./php/php.ini /usr/local/etc/php/conf.d/zzz_app.ini
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RUN rm -rf /var/lib/apt/lists/*
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WORKDIR /var/www/html
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RUN chown -R www-data:www-data /var/www
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EXPOSE 9000
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CMD ["php-fpm"]

‎docker/app/php/php.ini‎

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[php]
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post_max_size = 10M
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upload_max_filesize = 10M
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log_errors = On
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memory_limit = ${PHP_MEMORY_LIMIT}
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expose_php = Off
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date.timezone = UTC
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short_open_tag = Off
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magic_quotes_gpc = Off
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register_globals = Off
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session.auto_start = Off
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html_errors = Off
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realpath_cache_size=8M
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realpath_cache_ttl=14400
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cgi.fix_pathinfo = 0;

‎docker/app/php/xdebug.ini‎

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[xdebug]
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xdebug.default_enable=${PHP_XDEBUG_ENABLED}
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xdebug.max_nesting_level=256
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xdebug.remote_enable=1
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xdebug.remote_autostart=1
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xdebug.remote_host=${PHP_XDEBUG_REMOTE_HOST}
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xdebug.remote_port=${PHP_XDEBUG_REMOTE_PORT}
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xdebug.idekey=${PHP_XDEBUG_IDKEY}

‎docker/nginx/nginx.conf‎

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# default Docker DNS server
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resolver 127.0.0.11;
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# idea from https://github.com/developersalliance/magento2-dockergento/blob/master/config/dockergento/nginx/conf/default.conf
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map $cookie_XDEBUG_SESSION $fastcgi_pass {
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default app;
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wordpress app_xdebug;
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}
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server {
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listen 80 default_server;
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listen [::]:80 default_server;
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server_name php-xdebug-docker;
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root /var/www/html;
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index index.php;
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# https://github.com/h5bp/server-configs-nginx/blob/master/h5bp/web_performance/compression.conf
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gzip on;
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gzip_vary on;
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gzip_proxied any;
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gzip_comp_level 5;
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gzip_buffers 16 8k;
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gzip_min_length 256;
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gzip_types
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application/atom+xml
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application/geo+json
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application/javascript
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application/x-javascript
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application/json
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application/ld+json
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application/manifest+json
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application/rdf+xml
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application/rss+xml
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application/vnd.ms-fontobject
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application/wasm
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application/x-web-app-manifest+json
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application/xhtml+xml
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application/xml
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font/eot
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font/otf
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font/ttf
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image/bmp
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image/svg+xml
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text/cache-manifest
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text/calendar
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text/css
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text/javascript
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text/markdown
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text/plain
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text/xml
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text/vcard
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text/vnd.rim.location.xloc
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text/vtt
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text/x-component
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text/x-cross-domain-policy;
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location / {
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try_files $uri $uri/ /index.php?$args;
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}
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location ~ \.php$ {
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#NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
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include fastcgi_params;
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fastcgi_intercept_errors on;
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fastcgi_pass $fastcgi_pass:9000;
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fastcgi_split_path_info ^(.+\.php)(/.*)$;
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fastcgi_index index.php;
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fastcgi_param PATH_INFO $fastcgi_path_info;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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fastcgi_param DOCUMENT_ROOT $realpath_root;
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}
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client_max_body_size 10M;
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error_log /var/log/nginx/error.log;
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access_log /var/log/nginx/access.log;
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}

‎index.php‎

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<?php
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declare(strict_types=1);
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$test = 'Hello World!';
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echo $test; # put a breakpoint on this line :-)

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