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This is a prove of concept for leveraging the travis directory caching for speeding up docker builds. It works by configuring the docker deamon to use a folder under current user's (travis) control. That way you have the privileges to use the caching feature of travis ci.
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sudo: false | |
services: | |
- docker | |
before_script: | |
- sudo service docker stop | |
- if [ "$(ls -A /home/travis/docker)" ]; then echo "/home/travis/docker already set"; else sudo mv /var/lib/docker /home/travis/docker; fi | |
- sudo bash -c "echo 'DOCKER_OPTS=\"-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock -g /home/travis/docker\"' > /etc/default/docker" | |
- sudo service docker start | |
- docker build -f Dockerfile-testenv -t testenv . | |
script: | |
- docker run testenv | |
before_cache: | |
- sudo service docker stop | |
- sudo chown -R travis ~/docker | |
cache: | |
directories: | |
~/docker |
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