ci(circle): Configure Docker layer cache

.circleci/config.yml

@@ -1,6 +1,44 @@
 version: 2.1
 
 jobs:
+  docker-build:
+    # machine: true
+    steps:
+      - run:
+          name: Docker Version
+          command: docker --version
+      - checkout
+      - restore_cache:
+          keys:
+            - docker-{{ checksum "Dockerfile" }}-{{ checksum "docker-compose.yml" }}-{{ checksum "composer.lock" }}
+            - docker-{{ checksum "Dockerfile" }}-{{ checksum "docker-compose.yml" }}
+            - docker-{{ checksum "Dockerfile" }}
+      - setup_remote_docker:
+          version: 18.09.3
+      - run:
+          name: Load Docker layer cache
+          command: |-
+            # credits to: https://blog.jondh.me.uk/2018/04/strategies-for-docker-layer-caching-in-circleci/
+            set +o pipefail
+            if [ -f /caches/${CIRCLE_PROJECT_REPONAME}.tar.gz ]; then
+              gunzip -c /caches/${CIRCLE_PROJECT_REPONAME}.tar.gz | docker load;
+              docker images;
+            fi
+      - run:
+          name: Docker Compose Build
+          command: |-
+            docker-compose build
+      - run:
+          name: Save Docker image layer cache
+          command: |
+            mkdir -p /caches
+            docker-compose build | grep '\-\-\->' | grep -v 'Using cache' | sed -e 's/[ >-]//g' > /tmp/layers.txt
+            docker save $(cat /tmp/layers.txt) | gzip > /caches/${CIRCLE_PROJECT_REPONAME}.tar.gz
+      - save_cache:
+          key: docker-{{ checksum "Dockerfile" }}-{{ checksum "docker-compose.yml" }}-{{ checksum "composer.lock" }}
+          paths:
+            - /caches/
+
   check-composer-config:
     docker:
       - image: composer:1
@@ -28,3 +66,4 @@ workflows:
     jobs:
       - check-composer-config
       - validate-commit-message
+      - docker-build

.editorconfig

@@ -20,5 +20,8 @@ indent_size = 2
 [.circleci/config.yml]
 indent_size = 2
 
+[docker-compose.yml]
+indent_size = 2
+
 [*.md]
 trim_trailing_whitespace = false

Dockerfile

@@ -1,4 +1,4 @@
-ARG PHP_TAG="7.2-cli-alpine3.8"
+ARG PHP_TAG="7.3-cli-alpine3.9"
 
 FROM php:$PHP_TAG as ext-builder
 RUN docker-php-source extract && \
@@ -16,7 +16,7 @@ RUN pecl install xdebug && \
     docker-php-ext-enable xdebug
 
 FROM ext-builder as ext-swoole
-ARG SWOOLE_VERSION=4.2.13
+ARG SWOOLE_VERSION="4.3.1"
 RUN pecl install swoole-$SWOOLE_VERSION && \
     docker-php-ext-enable swoole
 
@@ -25,40 +25,37 @@ WORKDIR /usr/src/app
 RUN composer global require "hirak/prestissimo:^0.3" --prefer-dist --no-progress --no-suggest --classmap-authoritative --ansi
 COPY composer.json composer.lock ./
 RUN composer validate
-ARG COMPOSER_ARGS=install
+ARG COMPOSER_ARGS="install"
 RUN composer "$COMPOSER_ARGS" --prefer-dist --ignore-platform-reqs --no-progress --no-suggest --no-scripts --no-autoloader --ansi
 COPY . ./
 RUN composer dump-autoload --classmap-authoritative --ansi
 
 FROM php:$PHP_TAG as base
 RUN apk add --no-cache libstdc++
 WORKDIR /usr/src/app
-COPY --from=ext-swoole /usr/local/lib/php/extensions/no-debug-non-zts-20170718/swoole.so /usr/local/lib/php/extensions/no-debug-non-zts-20170718/swoole.so
+# php -i | grep 'PHP API' | sed -e 's/PHP API => //'
+ARG PHP_API_VERSION="20180731"
+COPY --from=ext-swoole /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/swoole.so /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/swoole.so
 COPY --from=ext-swoole /usr/local/etc/php/conf.d/docker-php-ext-swoole.ini /usr/local/etc/php/conf.d/docker-php-ext-swoole.ini
-COPY --from=ext-inotify /usr/local/lib/php/extensions/no-debug-non-zts-20170718/inotify.so /usr/local/lib/php/extensions/no-debug-non-zts-20170718/inotify.so
+COPY --from=ext-inotify /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/inotify.so /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/inotify.so
 COPY --from=ext-inotify /usr/local/etc/php/conf.d/docker-php-ext-inotify.ini /usr/local/etc/php/conf.d/docker-php-ext-inotify.ini
-COPY --from=ext-pcntl /usr/local/lib/php/extensions/no-debug-non-zts-20170718/pcntl.so /usr/local/lib/php/extensions/no-debug-non-zts-20170718/pcntl.so
+COPY --from=ext-pcntl /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/pcntl.so /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/pcntl.so
 COPY --from=ext-pcntl /usr/local/etc/php/conf.d/docker-php-ext-pcntl.ini /usr/local/etc/php/conf.d/docker-php-ext-pcntl.ini
 
 FROM base as base-with-xdebug
-COPY --from=ext-xdebug /usr/local/lib/php/extensions/no-debug-non-zts-20170718/xdebug.so /usr/local/lib/php/extensions/no-debug-non-zts-20170718/xdebug.so
+ARG PHP_API_VERSION="20180731"
+COPY --from=ext-xdebug /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/xdebug.so /usr/local/lib/php/extensions/no-debug-non-zts-${PHP_API_VERSION}/xdebug.so
 COPY --from=ext-xdebug /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
 
 FROM base as base-cli
 COPY --from=app-installer /usr/src/app ./
 
-FROM base as base-server
-RUN apk add --no-cache bash
-COPY --from=app-installer /usr/src/app ./
-
 FROM base-with-xdebug as base-coverage
-ENV COVERAGE=1
+ENV COVERAGE="1"
 COPY --from=app-installer /usr/src/app ./
 
-FROM base-with-xdebug as base-server-coverage
+FROM base-coverage as base-server-coverage
 RUN apk add --no-cache bash
-ENV COVERAGE=1
-COPY --from=app-installer /usr/src/app ./
 
 FROM base-cli as Cli
 ENTRYPOINT ["./tests/Fixtures/Symfony/app/console"]
@@ -74,16 +71,8 @@ FROM base-coverage as ComposerCoverage
 ENV COMPOSER_ALLOW_SUPERUSER=1
 COPY --from=app-installer /usr/bin/composer /usr/local/bin/composer
 ENTRYPOINT ["composer"]
-CMD ["code-coverage"]
-
-FROM base-server as Server
-WORKDIR /usr/src/app/tests/Server
-ENTRYPOINT ["/bin/bash"]
-CMD ["../run-server-tests.sh"]
+CMD ["unit-code-coverage"]
 
 FROM base-server-coverage as ServerCoverage
-WORKDIR /usr/src/app/tests/Server
-ENV APP_ENV=cov \
-    SWOOLE_ALLOW_XDEBUG=1
 ENTRYPOINT ["/bin/bash"]
-CMD ["../run-server-tests.sh"]
+CMD ["tests/run-feature-tests-code-coverage.sh"]