Build images for PHP version 7.0, 7.1 and 7.2

.gitlab-ci.yml

 before_script:
   - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
 
-build-master:
+php-7.0:
   stage: build
   script:
     - docker build --pull -t $CI_REGISTRY_IMAGE:php-7.0 ./php-7.0
     - docker push $CI_REGISTRY_IMAGE:php-7.0
   only:
     - master
+
+php-7.1:
+  stage: build
+  script:
+    - docker build --pull -t $CI_REGISTRY_IMAGE:php-7.1 ./php-7.1
+    - docker push $CI_REGISTRY_IMAGE:php-7.1
+  only:
+    - master
+
+php-7.2:
+  stage: build
+  script:
+    - docker build --pull -t $CI_REGISTRY_IMAGE:php-7.2 ./php-7.2
+    - docker push $CI_REGISTRY_IMAGE:php-7.2
+  only:
+    - master

php-7.0/Dockerfile

@@ -71,7 +71,6 @@ RUN mkdir -p /root/.ssh && \
         bash fish python nodejs git unzip \
         php7 php7-phar php7-json php7-dom php7-gd php7-mbstring php7-openssl \
         php7-pdo php7-curl php7-xml php7-zip php7-session php7-ctype && \
-    echo "php7-tokenizer php7-simplexml php7-xmlwriter" && \
     \
     wget -q https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub -O /etc/apk/keys/sgerrand.rsa.pub && \
     wget -q https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${glibc_version}/glibc-${glibc_version}.apk && \