Pin base Dockerfile image to 3.12

Stop using the latest version of alpine in Pipeline test/release pipelines. This prevents a hermetic build environment and is a potential source of instability. Hopefully fixes tektoncd#2726.
afrittoli · Jun 2, 2020 · 717fbc5 · 717fbc5
1 parent e68c627
commit 717fbc5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/images/Dockerfile b/images/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.12
 
 RUN apk add --update git openssh-client \
     && apk update \