👷 Cache Docker images

hemtjanst · May 18, 2019 · f2c1c55 · f2c1c55
1 parent 1be789e
commit f2c1c55
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -20,9 +20,15 @@ env:
     - BIBLIOTEK_TEST_INTEGRATION=1
 cache:
   directories:
+    - $HOME/docker
     - $HOME/.cache/go-build
     - $GOPATH/pkg/mod
+before_cache:
+  - >
+    mkdir -p $HOME/docker && docker images -a --filter='dangling=false' --format '{{.Repository}}:{{.Tag}} {{.ID}}'
+    | xargs -n 2 -t sh -c 'test -e $HOME/docker/$1.tar.gz || docker save $0 | gzip -2 > $HOME/docker/$1.tar.gz'
 before_install:
+  - if [[ -d $HOME/docker ]]; then ls $HOME/docker/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load"; fi
   - docker pull eclipse-mosquitto:1.6.2
   - docker run -d -p 127.0.0.1:1883:1883 eclipse-mosquitto:1.6.2
   - docker ps