Pin the docker image to a specific hash

This way the CI will not fail on missing Python versions when upstream updates the dockerfile.
c4urself · Dec 12, 2019 · f64b16a · f64b16a
1 parent ffa778f
commit f64b16a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -4,7 +4,7 @@ version: 2.1
 jobs:
   build:
     docker:
-      - image: themattrix/tox-base
+      - image: themattrix/tox-base@sha256:90652d28db65c8977b985ecfaaeed72de2092c930eec123cca31e17ac20a2622
 
     environment:
       # prevent *.pyc files