update php-cs-fixer to 2.7.1 (#15)

* update php-cs-fixer to 2.7.1

* make docker login with password

.travis.yml

@@ -10,7 +10,7 @@ matrix:
   fast_finish: true
   include:
     - env:
-      - PHP_CS_FIXER_VERSION=2.3.2
+      - PHP_CS_FIXER_VERSION=2.7.1
       - IS_LATEST=1
 
 before_script:
@@ -28,7 +28,7 @@ script:
   - cmp Sample.after Sample.php
 
 after_success:
-  - docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD";
+  - echo "$DOCKER_PASSWORD" | docker login --username "$DOCKER_USERNAME" --password-stdin;
   - if [[ $TRAVIS_BRANCH ]] && [[ -z $TRAVIS_TAG ]]; then
     docker push herloct/php-cs-fixer:$PHP_CS_FIXER_VERSION-$TRAVIS_BRANCH;
     fi

Dockerfile

@@ -2,7 +2,7 @@ FROM php:7.1.5-alpine
 
 MAINTAINER herloct <herloct@gmail.com>
 
-ENV PHP_CS_FIXER_VERSION=2.3.2
+ENV PHP_CS_FIXER_VERSION=2.7.1
 
 RUN curl -L https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v$PHP_CS_FIXER_VERSION/php-cs-fixer.phar > /usr/local/bin/php-cs-fixer \
     && chmod +x /usr/local/bin/php-cs-fixer \

README.md

@@ -3,7 +3,8 @@
 
 ## Supported tags and respective `Dockerfile` links
 
-* [`2.3.2`, `latest`](https://github.com/herloct/docker-php-cs-fixer/blob/2.3.2/Dockerfile)
+* [`2.7.1`, `latest`](https://github.com/herloct/docker-php-cs-fixer/blob/2.7.1/Dockerfile)
+* [`2.3.2`](https://github.com/herloct/docker-php-cs-fixer/blob/2.3.2/Dockerfile)
 * [`2.3.1`](https://github.com/herloct/docker-php-cs-fixer/blob/2.3.1/Dockerfile)
 * [`2.2.4`](https://github.com/herloct/docker-php-cs-fixer/blob/2.2.4/Dockerfile)
 * [`2.2.3`](https://github.com/herloct/docker-php-cs-fixer/blob/2.2.3/Dockerfile)