Dockerコンテナ内にXdebugを導入 (#33)

* コンテナにxdebugをインストール
* env fileをDockerに読ませるようにした
* 環境変数 APP_DEBUG に応じてXdebugをロードしてApacheを起動するようにした
* シェルスクリプトのWindows対策 (.gitattribute)

.env.example

@@ -5,12 +5,12 @@ APP_DEBUG=true
 APP_LOG_LEVEL=debug
 APP_URL=http://localhost
 
-DB_CONNECTION=mysql
+DB_CONNECTION=pgsql
-DB_HOST=127.0.0.1
+DB_HOST=db
-DB_PORT=3306
+DB_PORT=5432
-DB_DATABASE=homestead
+DB_DATABASE=tissue
-DB_USERNAME=homestead
+DB_USERNAME=tissue
-DB_PASSWORD=secret
+DB_PASSWORD=tissue
 
 BROADCAST_DRIVER=log
 CACHE_DRIVER=file

.gitattributes

@@ -3,3 +3,4 @@
 *.scss linguist-vendored
 *.js linguist-vendored
 CHANGELOG.md export-ignore
+*.sh text eol=lf

Dockerfile

@@ -5,10 +5,17 @@ ENV APACHE_DOCUMENT_ROOT /var/www/html/public
 RUN apt-get update \
     && apt-get install -y git libpq-dev unzip \
     && docker-php-ext-install pdo_pgsql \
+    && pecl install xdebug \
     && curl -sS https://getcomposer.org/installer | php \
     && mv composer.phar /usr/local/bin/composer \
     && sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf \
     && sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf \
     && a2enmod rewrite
 
+COPY dist/bin /usr/local/bin/
+COPY dist/php.d /usr/local/etc/php/php.d/
+
+ENTRYPOINT ["tissue-entrypoint.sh"]
+CMD ["apache2-foreground"]
+
 WORKDIR /var/www/html

dist/bin/tissue-entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+if [[ "$APP_DEBUG" == "true" ]]; then
+  export PHP_INI_SCAN_DIR=":/usr/local/etc/php/php.d"
+fi
+
+exec docker-php-entrypoint "$@"

dist/php.d/99-xdebug.ini

@@ -0,0 +1,5 @@
+; Dockerでのデバッグ用設定
+zend_extension=xdebug.so
+xdebug.remote_enable=true
+xdebug.remote_autostart=true
+xdebug.remote_host=host.docker.internal

docker-compose.yml

@@ -3,13 +3,8 @@ version: "3"
 services:
   web:
     build: .
-    environment:
+    env_file:
-      DB_CONNECTION: pgsql
+      - .env
-      DB_HOST: db
-      DB_PORT: 5432
-      DB_DATABASE: tissue
-      DB_USERNAME: tissue
-      DB_PASSWORD: tissue
     volumes:
       - .:/var/www/html
     networks: