From 57c0490d844b5c65421808f6da67e4dbeb48a531 Mon Sep 17 00:00:00 2001
From: Alejandro Celaya <alejandro@alejandrocelaya.com>
Date: Fri, 16 Aug 2019 19:13:35 +0200
Subject: [PATCH] Updated travis config to test docker image building when the
 dockerfile has changed

---
 .travis.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index e63a202d..9858a106 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ matrix:
 services:
   - mysql
   - postgresql
+  - docker
 
 before_install:
   - echo 'extension = apcu.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
@@ -30,9 +31,11 @@ before_script:
   - mysql -e 'CREATE DATABASE shlink_test;'
   - psql -c 'create database shlink_test;' -U postgres
   - mkdir build
+  - export DOCKERFILE_CHANGED=$(git diff ${TRAVIS_COMMIT_RANGE:-origin/master} --name-only | grep Dockerfile)
 
 script:
   - composer ci
+  - [[ ! -z "$DOCKERFILE_CHANGED" ]] && docker build -t shlink-docker-image:temp .
 
 after_success:
   - rm -f build/clover.xml
@@ -53,4 +56,4 @@ deploy:
     skip_cleanup: true
     on:
       tags: true
-      php: 7.2
+      php: '7.2'