using docker tag postgis-2.4.4.5 in travis

.travis.yml

@@ -4,7 +4,7 @@ jobs:
       services:
         - docker
       language: generic
-      before_install: docker pull carto/nodejs6-xenial-pg101
+      before_install: docker pull carto/nodejs6-xenial-pg101:postgis-2.4.4.5
       script: npm run docker-test
     - dist: precise
       addons:
@@ -28,7 +28,7 @@ jobs:
         - sudo add-apt-repository -y ppa:cartodb/gis-testing
 
         - sudo apt-get update
-      
+
         # Force instalation of libgeos-3.5.0 (presumably needed because of existing version of postgis)
         - sudo apt-get -y install libgeos-3.5.0=3.5.0-1cdb2
 
@@ -59,9 +59,9 @@ jobs:
         - createdb template_postgis
         - createuser publicuser
         - psql -c "CREATE EXTENSION postgis" template_postgis
-        
+
         # install yarn 0.27.5
-        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5	
+        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5
         - export PATH="$HOME/.yarn/bin:$PATH"
 
         # instal redis 4

package.json

@@ -66,7 +66,7 @@
     "preinstall": "make pre-install",
     "test": "make test-all",
     "update-internal-deps": "rm -rf node_modules && rm -f yarn.lock && yarn",
-    "docker-test": "docker run -v `pwd`:/srv carto/nodejs6-xenial-pg101 bash run_tests_docker.sh && docker ps --filter status=dead --filter status=exited -aq | xargs -r docker rm -v",
+    "docker-test": "docker run -v `pwd`:/srv carto/nodejs6-xenial-pg101:postgis-2.4.4.5 bash run_tests_docker.sh && docker ps --filter status=dead --filter status=exited -aq | xargs -r docker rm -v",
     "docker-bash": "docker run  -it -v `pwd`:/srv carto/nodejs6-xenial-pg101 bash"
   },
   "engines": {