travis: test on more recent 17.09
instead of 17.04 and 17.05. Testing on quarterly releases
which are considered [stable][]
should be good enough for covering monthly releases.
Testing on latest release will help keep this library
up to date with docker changes.
[stable]:
@@ -20,9 +20,8 @@ env:
- DOCKER_VERSION=1.12.6
- DOCKER_VERSION=1.13.1
- DOCKER_VERSION=17.03.1~ce
- - DOCKER_VERSION=17.04.0~ce
- - DOCKER_VERSION=17.05.0~ce
- - DOCKER_VERSION=17.06.0~ce DOCKER_CE=1 UPLOAD_SONATYPE=1
+ - DOCKER_VERSION=17.06.0~ce DOCKER_CE=1
+ - DOCKER_VERSION=17.09.0~ce DOCKER_CE=1 UPLOAD_SONATYPE=1
before_install:
# check what version of docker is installed beforehand
