Import config from gitpod-io/workspace-images#321 (comment)

.gitpod.Dockerfile

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+FROM gitpod/workspace-mysql
+
+USER gitpod
+
+# Install php-dev
+RUN sudo apt-get update -q \
+    && sudo apt-get install -y php-dev
+
+# Build and install Xdebug
+RUN wget http://xdebug.org/files/xdebug-2.9.1.tgz \
+    && tar -xvzf xdebug-2.9.1.tgz \
+    && cd xdebug-2.9.1 \
+    && phpize \
+    && ./configure \
+    && make \
+    && sudo mkdir -p /usr/lib/php/20190902 \
+    && sudo cp modules/xdebug.so /usr/lib/php/20190902 \
+    && sudo bash -c "echo -e '\nzend_extension = /usr/lib/php/20190902/xdebug.so\n[XDebug]\nxdebug.remote_enable = 1\nxdebug.remote_autostart = 1\n' >> /etc/php/7.4/cli/php.ini"
+
+# Export environment variables
+ENV DATABASE_USER=root
+ENV DATABASE_HOST=127.0.0.1
+ENV DATABASE_PASSWORD=

.gitpod.yml

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+image:
+  file: .gitpod.Dockerfile
+
+# List the start up tasks. You can start them in parallel in multiple terminals. See https://www.gitpod.io/docs/config-start-tasks/
+tasks:
+    - init: ./setup.sh
+    - before: wget https://get.symfony.com/cli/installer -O - | bash  
+      command: export PATH="$HOME/.symfony/bin:$PATH" && symfony server:start

setup.sh

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+#!/bin/bash
+
+# Install databases
+mysql -e 'CREATE DATABASE app;'
+mysql -e 'CREATE DATABASE app_test;'
+
+# Install Composer dependencies
+composer install