Add standard Docker setup.

Author: Crell

.gitignore

@@ -3,3 +3,4 @@ vendor
 composer.lock
 coverage
 .phpunit.result.cache
+.env

Makefile

@@ -0,0 +1,17 @@
+compose_command = docker-compose run -u $(id -u ${USER}):$(id -g ${USER}) --rm php81
+
+build:
+	docker-compose build
+
+shell: build
+	$(compose_command) bash
+
+destroy:
+	docker-compose down -v
+
+composer: build
+	$(compose_command) composer install
+
+test: build
+	$(compose_command) vendor/bin/phpunit
+

default-.env

@@ -0,0 +1,16 @@
+# See https://docs.docker.com/compose/env-file/
+
+# global configuration
+# For production
+#COMPOSE_FILE=docker-compose.yml
+# For local dev
+#COMPOSE_FILE=docker-compose.yml:docker-compose.override.yml
+# For local dev with tunnel
+
+COMPOSE_FILE=docker-compose.yml
+# Ip of the host that docker can reach
+HOST_IP=172.17.0.1
+# Xdebug IDE key
+IDE_KEY=docker-xdebug
+# Port your IDE is listening on
+XDEBUG_PORT=9003

docker-compose.yml

@@ -0,0 +1,19 @@
+# To use:
+# Run "docker-compose build" to rebuild the app container.
+# Run "docker-compose run -u $(id -u ${USER}):$(id -g ${USER}) --rm php81 composer install" to install dependencies.
+# Run "docker-compose run  -u $(id -u ${USER}):$(id -g ${USER})--rm php81 vendor/bin/phpunit" to run the test script on 8.1.
+# Run "docker-compose down -v" to fully wipe everything and start over.
+# Run "docker-compose run -u $(id -u ${USER}):$(id -g ${USER}) --rm php80 bash" to log into the container to run tests selectively.
+
+version: "3"
+services:
+    php81:
+        build: ./docker/php/81
+        volumes:
+            - ~/.composer:/.composer #uncomment this line to allow usage of local composer cache
+            - .:/usr/src/myapp
+            - ./docker/php/81/xdebug.ini:/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+            - ./docker/php/conf.d/error_reporting.ini:/usr/local/etc/php/conf.d/error_reporting.ini
+        environment:
+            XDEBUG_MODE: "develop,debug"
+            XDEBUG_CONFIG: "client_host=${HOST_IP} idekey=${IDE_KEY} client_port=${XDEBUG_PORT} discover_client_host=1 start_with_request=1"

docker/php/81/Dockerfile

@@ -0,0 +1,10 @@
+FROM php:8.1.1-cli
+WORKDIR /usr/src/myapp
+
+RUN apt-get update && apt-get install zip unzip git -y \
+    && pecl install xdebug \
+    && php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
+    && php -r "if (hash_file('sha384', 'composer-setup.php') === '906a84df04cea2aa72f40b5f787e49f22d4c2f19492ac310e8cba5b96ac8b64115ac402c8cd292b8a03482574915d1a8') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
+    && php composer-setup.php --install-dir=/usr/bin --filename=composer \
+    && php -r "unlink('composer-setup.php');" \
+    && mkdir /.composer && chmod 777 /.composer

docker/php/81/xdebug.ini

@@ -0,0 +1,2 @@
+zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20210902/xdebug.so
+xdebug.output_dir=profiles

docker/php/conf.d/error_reporting.ini

@@ -0,0 +1,4 @@
+error_reporting=E_ALL
+; By default this is GPCS - we also want E so that $_ENV would be populated, and
+; we could trigger Xdebug using an environment variable on the command line.
+variables_order = "EGPCS"