Improve Travis build time (#423)

* Improve Travis build time * Remove Docker upgrade Travis upgraded Docker to 17.03.1 which supports `--cache-from`.
codewars · Jul 13, 2017 · dda7d7b · dda7d7b
1 parent 829ff96
commit dda7d7b
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -39,4 +39,9 @@ env:
 
 script:
   - eslint '**/*.js'
-  - make $TEST_IMG
+  - cp docker/${TEST_IMG}.docker ./Dockerfile
+  - if docker pull codewars/${TEST_IMG}-runner; then
+      docker build --cache-from codewars/${TEST_IMG}-runner -t codewars/${TEST_IMG}-runner .;
+    else
+      docker build -t codewars/${TEST_IMG}-runner .;
+    fi